./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8 --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 1934598361bf90cf9fb238c58075a62a8c7d160a ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8 --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 1934598361bf90cf9fb238c58075a62a8c7d160a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:51:29,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:29,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:29,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:29,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:29,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:29,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:29,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:29,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:29,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:29,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:29,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:29,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:29,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:29,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:29,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:29,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:29,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:29,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:29,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:29,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:29,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:29,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:29,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:29,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:29,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:29,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:29,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:29,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:29,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:29,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:29,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:29,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:29,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:29,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:29,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:29,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:29,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:29,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:29,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:29,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:29,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:51:29,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:29,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:29,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:29,594 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:29,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:29,594 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:29,595 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:51:29,595 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:29,595 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:29,596 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:51:29,596 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:51:29,596 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:29,596 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:51:29,601 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:51:29,602 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:51:29,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:29,603 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:29,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:51:29,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:29,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:29,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:51:29,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:29,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:51:29,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:29,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:29,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:51:29,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:29,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:51:29,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:29,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:29,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:29,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:29,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:29,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:51:29,611 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:51:29,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:51:29,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:51:29,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:29,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:29,613 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_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1934598361bf90cf9fb238c58075a62a8c7d160a [2021-10-13 07:51:30,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:30,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:30,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:30,086 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:30,087 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:30,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-13 07:51:30,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/69de43b30/0c8aff3dabe5487499b3852aad9c22c1/FLAG3c5726ff3 [2021-10-13 07:51:30,787 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:30,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-13 07:51:30,801 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/69de43b30/0c8aff3dabe5487499b3852aad9c22c1/FLAG3c5726ff3 [2021-10-13 07:51:31,079 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/69de43b30/0c8aff3dabe5487499b3852aad9c22c1 [2021-10-13 07:51:31,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:31,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:31,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:31,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:31,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:31,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:31" (1/1) ... [2021-10-13 07:51:31,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9d1f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:31, skipping insertion in model container [2021-10-13 07:51:31,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:31" (1/1) ... [2021-10-13 07:51:31,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:31,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:31,571 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_c73d49c2-1f32-4662-a1a1-bec5b1738a79/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2021-10-13 07:51:31,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:31,605 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) [2021-10-13 07:51:31,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@590421e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:31, skipping insertion in model container [2021-10-13 07:51:31,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:31,606 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:51:31,609 INFO L168 Benchmark]: Toolchain (without parser) took 519.19 ms. Allocated memory is still 111.1 MB. Free memory was 69.8 MB in the beginning and 81.9 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:31,610 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 86.9 MB in the beginning and 86.8 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:51:31,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.98 ms. Allocated memory is still 111.1 MB. Free memory was 69.6 MB in the beginning and 81.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:51:31,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 111.1 MB. Free memory was 86.9 MB in the beginning and 86.8 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.98 ms. Allocated memory is still 111.1 MB. Free memory was 69.6 MB in the beginning and 81.9 MB in the end (delta: -12.3 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: 70]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:51:34,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:51:34,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:51:34,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:51:34,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:51:34,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:51:34,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:51:34,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:51:34,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:51:34,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:51:34,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:51:34,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:51:34,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:51:34,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:51:34,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:51:34,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:51:34,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:51:34,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:51:34,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:51:34,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:51:34,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:51:34,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:51:34,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:51:34,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:51:34,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:51:34,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:51:34,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:51:34,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:51:34,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:51:34,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:51:34,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:51:34,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:51:34,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:51:34,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:51:34,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:51:34,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:51:34,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:51:34,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:51:34,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:51:34,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:51:34,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:51:34,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:51:34,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:51:34,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:51:34,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:51:34,417 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:51:34,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:51:34,417 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:51:34,417 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:51:34,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:51:34,419 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:51:34,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:51:34,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:51:34,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:51:34,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:51:34,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:51:34,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:51:34,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:51:34,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:51:34,424 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:51:34,424 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:51:34,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:51:34,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:51:34,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:51:34,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:51:34,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:51:34,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:51:34,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:51:34,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:34,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:51:34,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:51:34,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:51:34,428 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:51:34,428 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:51:34,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:51:34,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:51:34,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:51:34,429 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_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1934598361bf90cf9fb238c58075a62a8c7d160a [2021-10-13 07:51:34,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:51:34,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:51:34,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:51:34,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:51:34,972 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:51:34,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-13 07:51:35,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/f9bc3baa6/7978836d51f1468bbea6170fe0864088/FLAGba87d65db [2021-10-13 07:51:35,886 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:51:35,886 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c [2021-10-13 07:51:35,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/f9bc3baa6/7978836d51f1468bbea6170fe0864088/FLAGba87d65db [2021-10-13 07:51:36,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/data/f9bc3baa6/7978836d51f1468bbea6170fe0864088 [2021-10-13 07:51:36,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:51:36,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:51:36,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:36,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:51:36,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:51:36,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:36,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66dea017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36, skipping insertion in model container [2021-10-13 07:51:36,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:36,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:51:36,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:36,593 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_c73d49c2-1f32-4662-a1a1-bec5b1738a79/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2021-10-13 07:51:36,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:36,657 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:51:36,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:51:36,746 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_c73d49c2-1f32-4662-a1a1-bec5b1738a79/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2021-10-13 07:51:36,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:36,765 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:51:36,820 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_c73d49c2-1f32-4662-a1a1-bec5b1738a79/sv-benchmarks/c/product-lines/minepump_spec4_product53.cil.c[15663,15676] [2021-10-13 07:51:36,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:51:36,868 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:51:36,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36 WrapperNode [2021-10-13 07:51:36,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:51:36,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:36,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:51:36,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:51:36,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:36,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:36,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:51:37,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:51:37,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:51:37,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:51:37,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:51:37,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:51:37,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:51:37,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:51:37,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (1/1) ... [2021-10-13 07:51:37,144 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:51:37,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:51:37,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:51:37,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:51:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:51:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:51:37,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:51:37,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:51:40,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:51:40,307 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2021-10-13 07:51:40,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:40 BoogieIcfgContainer [2021-10-13 07:51:40,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:51:40,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:51:40,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:51:40,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:51:40,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:51:36" (1/3) ... [2021-10-13 07:51:40,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b3275f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:40, skipping insertion in model container [2021-10-13 07:51:40,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:51:36" (2/3) ... [2021-10-13 07:51:40,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41b3275f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:51:40, skipping insertion in model container [2021-10-13 07:51:40,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:40" (3/3) ... [2021-10-13 07:51:40,324 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53.cil.c [2021-10-13 07:51:40,330 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:51:40,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 07:51:40,410 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:51:40,422 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:51:40,422 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 07:51:40,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 07:51:40,479 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:40,480 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:40,481 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:40,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:40,518 INFO L82 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2021-10-13 07:51:40,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:40,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530160633] [2021-10-13 07:51:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:40,538 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:40,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:40,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:40,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:51:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:40,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-13 07:51:40,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:40,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:40,981 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:40,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530160633] [2021-10-13 07:51:40,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530160633] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:40,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:40,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-13 07:51:40,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277417000] [2021-10-13 07:51:40,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 07:51:40,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:41,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 07:51:41,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:51:41,015 INFO L87 Difference]: Start difference. First operand has 189 states, 185 states have (on average 1.5567567567567568) internal successors, (288), 188 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:41,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:41,082 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2021-10-13 07:51:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 07:51:41,084 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-13 07:51:41,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:41,098 INFO L225 Difference]: With dead ends: 372 [2021-10-13 07:51:41,098 INFO L226 Difference]: Without dead ends: 185 [2021-10-13 07:51:41,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 07:51:41,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-13 07:51:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2021-10-13 07:51:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 182 states have (on average 1.5164835164835164) internal successors, (276), 184 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2021-10-13 07:51:41,154 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2021-10-13 07:51:41,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:41,155 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2021-10-13 07:51:41,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2021-10-13 07:51:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 07:51:41,157 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:41,157 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:41,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:41,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:41,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:41,379 INFO L82 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2021-10-13 07:51:41,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:41,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114066048] [2021-10-13 07:51:41,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:41,381 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:41,382 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:41,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:51:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:41,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:41,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:41,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:41,739 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:41,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114066048] [2021-10-13 07:51:41,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114066048] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:41,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:41,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:51:41,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711299132] [2021-10-13 07:51:41,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:51:41,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:41,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:51:41,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:41,744 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:41,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:41,782 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2021-10-13 07:51:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:41,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-13 07:51:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:41,784 INFO L225 Difference]: With dead ends: 185 [2021-10-13 07:51:41,785 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 07:51:41,786 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:41,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 07:51:41,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 07:51:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.5) internal successors, (105), 70 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-13 07:51:41,796 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2021-10-13 07:51:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:41,797 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-13 07:51:41,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:41,797 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-13 07:51:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 07:51:41,798 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:41,799 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:41,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:42,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:42,018 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:42,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:42,019 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2021-10-13 07:51:42,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:42,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6407202] [2021-10-13 07:51:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:42,020 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:42,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:42,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:42,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:51:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:42,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:42,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:42,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:42,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:42,551 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:42,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6407202] [2021-10-13 07:51:42,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6407202] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:42,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:42,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-13 07:51:42,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703405531] [2021-10-13 07:51:42,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:51:42,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:42,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:51:42,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:42,557 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:42,590 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2021-10-13 07:51:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:42,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-13 07:51:42,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:42,595 INFO L225 Difference]: With dead ends: 136 [2021-10-13 07:51:42,595 INFO L226 Difference]: Without dead ends: 71 [2021-10-13 07:51:42,597 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:51:42,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-13 07:51:42,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-13 07:51:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 70 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2021-10-13 07:51:42,614 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2021-10-13 07:51:42,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:42,615 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2021-10-13 07:51:42,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2021-10-13 07:51:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 07:51:42,620 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:42,621 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:42,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:42,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:42,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:42,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:42,848 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2021-10-13 07:51:42,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:42,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337270166] [2021-10-13 07:51:42,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:42,851 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:42,855 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:42,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:51:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:43,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:51:43,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:43,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:43,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:43,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337270166] [2021-10-13 07:51:43,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337270166] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:43,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:43,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 07:51:43,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426745659] [2021-10-13 07:51:43,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:51:43,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:43,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:51:43,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:51:43,288 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:43,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:43,386 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2021-10-13 07:51:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:51:43,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 07:51:43,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:43,388 INFO L225 Difference]: With dead ends: 145 [2021-10-13 07:51:43,388 INFO L226 Difference]: Without dead ends: 80 [2021-10-13 07:51:43,389 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:51:43,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-13 07:51:43,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2021-10-13 07:51:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4285714285714286) internal successors, (110), 77 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2021-10-13 07:51:43,414 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2021-10-13 07:51:43,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:43,415 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2021-10-13 07:51:43,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2021-10-13 07:51:43,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 07:51:43,417 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:43,417 INFO L512 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] [2021-10-13 07:51:43,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-13 07:51:43,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:43,631 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:43,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:43,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2021-10-13 07:51:43,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:43,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839305020] [2021-10-13 07:51:43,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:43,632 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:43,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:43,633 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:43,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:51:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:43,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:43,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:43,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:44,077 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:44,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839305020] [2021-10-13 07:51:44,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839305020] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:44,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:44,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:51:44,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199187508] [2021-10-13 07:51:44,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:51:44,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:44,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:51:44,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:51:44,084 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 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) [2021-10-13 07:51:44,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:44,237 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2021-10-13 07:51:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:51:44,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 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 31 [2021-10-13 07:51:44,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:44,242 INFO L225 Difference]: With dead ends: 204 [2021-10-13 07:51:44,242 INFO L226 Difference]: Without dead ends: 132 [2021-10-13 07:51:44,243 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:51:44,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-13 07:51:44,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2021-10-13 07:51:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2021-10-13 07:51:44,279 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2021-10-13 07:51:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:44,280 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2021-10-13 07:51:44,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 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) [2021-10-13 07:51:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2021-10-13 07:51:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 07:51:44,282 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:44,282 INFO L512 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] [2021-10-13 07:51:44,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-13 07:51:44,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:44,499 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:44,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:44,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2021-10-13 07:51:44,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:44,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296727528] [2021-10-13 07:51:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:44,501 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:44,502 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:44,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:51:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:44,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:44,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:44,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:51:45,109 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:45,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296727528] [2021-10-13 07:51:45,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296727528] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:45,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:45,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 07:51:45,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011276125] [2021-10-13 07:51:45,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:51:45,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:45,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:51:45,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:51:45,111 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:45,514 INFO L93 Difference]: Finished difference Result 673 states and 940 transitions. [2021-10-13 07:51:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 07:51:45,515 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 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 31 [2021-10-13 07:51:45,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:45,520 INFO L225 Difference]: With dead ends: 673 [2021-10-13 07:51:45,520 INFO L226 Difference]: Without dead ends: 592 [2021-10-13 07:51:45,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 152.6ms TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-10-13 07:51:45,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2021-10-13 07:51:45,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 204. [2021-10-13 07:51:45,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3596059113300492) internal successors, (276), 203 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2021-10-13 07:51:45,569 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2021-10-13 07:51:45,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:45,570 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2021-10-13 07:51:45,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2021-10-13 07:51:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 07:51:45,579 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:45,579 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 07:51:45,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-13 07:51:45,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:45,793 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:45,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:45,793 INFO L82 PathProgramCache]: Analyzing trace with hash -568007825, now seen corresponding path program 1 times [2021-10-13 07:51:45,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:45,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696897084] [2021-10-13 07:51:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:45,795 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:45,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:45,796 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:45,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-13 07:51:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:46,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:51:46,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:51:46,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 07:51:46,341 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:46,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696897084] [2021-10-13 07:51:46,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696897084] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:46,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:46,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-13 07:51:46,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987500375] [2021-10-13 07:51:46,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:51:46,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:46,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:51:46,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:51:46,344 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:46,442 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2021-10-13 07:51:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:51:46,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 49 [2021-10-13 07:51:46,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:46,445 INFO L225 Difference]: With dead ends: 476 [2021-10-13 07:51:46,445 INFO L226 Difference]: Without dead ends: 278 [2021-10-13 07:51:46,446 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 26.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:51:46,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-10-13 07:51:46,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 182. [2021-10-13 07:51:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 181 states have (on average 1.3259668508287292) internal successors, (240), 181 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2021-10-13 07:51:46,469 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2021-10-13 07:51:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:46,470 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2021-10-13 07:51:46,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2021-10-13 07:51:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-13 07:51:46,472 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:46,472 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 07:51:46,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:46,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:46,693 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:46,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:46,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1384539631, now seen corresponding path program 1 times [2021-10-13 07:51:46,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:46,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659256032] [2021-10-13 07:51:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:46,695 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:46,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:46,696 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:46,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 07:51:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:47,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:51:47,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:51:47,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:51:47,460 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:47,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1659256032] [2021-10-13 07:51:47,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1659256032] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:47,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:51:47,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-13 07:51:47,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345748015] [2021-10-13 07:51:47,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:51:47,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:47,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:51:47,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:51:47,463 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:47,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:47,689 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2021-10-13 07:51:47,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:51:47,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 50 [2021-10-13 07:51:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:47,696 INFO L225 Difference]: With dead ends: 872 [2021-10-13 07:51:47,696 INFO L226 Difference]: Without dead ends: 696 [2021-10-13 07:51:47,698 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 89.1ms TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:51:47,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-10-13 07:51:47,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2021-10-13 07:51:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3126760563380282) internal successors, (466), 355 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2021-10-13 07:51:47,756 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2021-10-13 07:51:47,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:47,758 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2021-10-13 07:51:47,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2021-10-13 07:51:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 07:51:47,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:47,765 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2021-10-13 07:51:47,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:47,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:47,985 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:47,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:47,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1234394969, now seen corresponding path program 1 times [2021-10-13 07:51:47,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:47,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947711460] [2021-10-13 07:51:47,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:47,986 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:47,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:47,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:47,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 07:51:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:48,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:51:48,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:48,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:48,814 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:48,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947711460] [2021-10-13 07:51:48,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947711460] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:51:48,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1169772867] [2021-10-13 07:51:48,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:48,815 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:51:48,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:51:48,821 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:51:48,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-10-13 07:51:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:49,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:51:49,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:51:49,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:51:49,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1169772867] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:51:49,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-13 07:51:49,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-10-13 07:51:49,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941804454] [2021-10-13 07:51:49,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:51:49,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:49,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:51:49,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-13 07:51:49,464 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:49,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:49,796 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2021-10-13 07:51:49,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 07:51:49,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 51 [2021-10-13 07:51:49,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:49,806 INFO L225 Difference]: With dead ends: 962 [2021-10-13 07:51:49,806 INFO L226 Difference]: Without dead ends: 960 [2021-10-13 07:51:49,807 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 171.7ms TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-10-13 07:51:49,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-10-13 07:51:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2021-10-13 07:51:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 355 states have (on average 1.3070422535211268) internal successors, (464), 355 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:49,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2021-10-13 07:51:49,869 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2021-10-13 07:51:49,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:49,869 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2021-10-13 07:51:49,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:49,870 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2021-10-13 07:51:49,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-13 07:51:49,871 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:49,872 INFO L512 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:49,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:50,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:50,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:51:50,275 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:51:50,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:51:50,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1017395360, now seen corresponding path program 1 times [2021-10-13 07:51:50,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:51:50,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [514956915] [2021-10-13 07:51:50,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:50,276 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:51:50,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:51:50,277 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:51:50,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 07:51:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:50,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:51:50,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:50,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:51,207 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:51:51,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [514956915] [2021-10-13 07:51:51,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [514956915] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:51:51,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1927750056] [2021-10-13 07:51:51,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:51,207 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 07:51:51,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 [2021-10-13 07:51:51,208 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 07:51:51,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-13 07:51:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:51,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 07:51:51,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:51,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:52,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1927750056] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:51:52,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202180110] [2021-10-13 07:51:52,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:51:52,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:51:52,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:51:52,178 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 07:51:52,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-13 07:51:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:51:52,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 07:51:52,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:51:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:52,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:51:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 07:51:53,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202180110] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 07:51:53,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-13 07:51:53,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-10-13 07:51:53,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278688507] [2021-10-13 07:51:53,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 07:51:53,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:51:53,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 07:51:53,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:51:53,075 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:59,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:51:59,333 INFO L93 Difference]: Finished difference Result 4555 states and 5988 transitions. [2021-10-13 07:51:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-10-13 07:51:59,333 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 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 57 [2021-10-13 07:51:59,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:51:59,363 INFO L225 Difference]: With dead ends: 4555 [2021-10-13 07:51:59,363 INFO L226 Difference]: Without dead ends: 4255 [2021-10-13 07:51:59,367 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2043 ImplicationChecksByTransitivity, 1640.4ms TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-10-13 07:51:59,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4255 states. [2021-10-13 07:51:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4255 to 640. [2021-10-13 07:51:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 639 states have (on average 1.3176838810641627) internal successors, (842), 639 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 842 transitions. [2021-10-13 07:51:59,492 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 842 transitions. Word has length 57 [2021-10-13 07:51:59,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:51:59,493 INFO L470 AbstractCegarLoop]: Abstraction has 640 states and 842 transitions. [2021-10-13 07:51:59,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.5) internal successors, (114), 11 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:51:59,494 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 842 transitions. [2021-10-13 07:51:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-13 07:51:59,496 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:51:59,496 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:51:59,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-10-13 07:51:59,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-10-13 07:51:59,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-13 07:52:00,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 07:52:00,101 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:52:00,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:52:00,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1442925699, now seen corresponding path program 1 times [2021-10-13 07:52:00,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:52:00,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043845326] [2021-10-13 07:52:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:52:00,102 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:52:00,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:52:00,104 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:52:00,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 07:52:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:52:00,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 07:52:00,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:52:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 07:52:00,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:52:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-13 07:52:00,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:52:00,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043845326] [2021-10-13 07:52:00,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043845326] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:52:00,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:52:00,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:52:00,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124261002] [2021-10-13 07:52:00,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:52:00,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:52:00,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:52:00,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:52:00,988 INFO L87 Difference]: Start difference. First operand 640 states and 842 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:52:01,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:52:01,099 INFO L93 Difference]: Finished difference Result 1030 states and 1326 transitions. [2021-10-13 07:52:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:52:01,100 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-13 07:52:01,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:52:01,101 INFO L225 Difference]: With dead ends: 1030 [2021-10-13 07:52:01,101 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:52:01,103 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 62.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:52:01,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:52:01,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:52:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:52:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:52:01,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2021-10-13 07:52:01,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:52:01,104 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:52:01,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:52:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:52:01,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:52:01,109 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:52:01,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:52:01,110 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:52:01,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 07:52:01,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:52:01,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 07:52:01,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:01,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:01,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:01,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:01,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:02,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:03,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:04,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 07:52:12,298 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2021-10-13 07:52:12,299 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 438) no Hoare annotation was computed. [2021-10-13 07:52:12,299 INFO L853 garLoopResultBuilder]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse6 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse2 .cse3 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse4))) [2021-10-13 07:52:12,299 INFO L853 garLoopResultBuilder]: At program point L631(lines 626 634) the Hoare annotation is: false [2021-10-13 07:52:12,299 INFO L853 garLoopResultBuilder]: At program point L631-1(lines 626 634) the Hoare annotation is: false [2021-10-13 07:52:12,300 INFO L853 garLoopResultBuilder]: At program point L631-2(lines 626 634) the Hoare annotation is: false [2021-10-13 07:52:12,300 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2021-10-13 07:52:12,300 INFO L857 garLoopResultBuilder]: For program point L764-3(lines 764 768) no Hoare annotation was computed. [2021-10-13 07:52:12,300 INFO L857 garLoopResultBuilder]: For program point L764-6(lines 764 768) no Hoare annotation was computed. [2021-10-13 07:52:12,300 INFO L857 garLoopResultBuilder]: For program point L699(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,300 INFO L857 garLoopResultBuilder]: For program point L699-2(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,301 INFO L857 garLoopResultBuilder]: For program point L699-3(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,301 INFO L857 garLoopResultBuilder]: For program point L699-5(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,301 INFO L853 garLoopResultBuilder]: At program point L501(lines 501 507) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1))) [2021-10-13 07:52:12,301 INFO L857 garLoopResultBuilder]: For program point L699-6(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,301 INFO L853 garLoopResultBuilder]: At program point L468(lines 421 469) the Hoare annotation is: false [2021-10-13 07:52:12,302 INFO L853 garLoopResultBuilder]: At program point L501-1(lines 501 507) the Hoare annotation is: false [2021-10-13 07:52:12,302 INFO L857 garLoopResultBuilder]: For program point L699-8(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,302 INFO L853 garLoopResultBuilder]: At program point L501-2(lines 501 507) the Hoare annotation is: false [2021-10-13 07:52:12,302 INFO L857 garLoopResultBuilder]: For program point L699-9(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,302 INFO L857 garLoopResultBuilder]: For program point L699-11(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,303 INFO L857 garLoopResultBuilder]: For program point L699-12(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,303 INFO L857 garLoopResultBuilder]: For program point L699-14(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,303 INFO L857 garLoopResultBuilder]: For program point L699-15(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,303 INFO L857 garLoopResultBuilder]: For program point L699-17(lines 699 703) no Hoare annotation was computed. [2021-10-13 07:52:12,303 INFO L853 garLoopResultBuilder]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2021-10-13 07:52:12,303 INFO L857 garLoopResultBuilder]: For program point L899(line 899) no Hoare annotation was computed. [2021-10-13 07:52:12,304 INFO L853 garLoopResultBuilder]: At program point L833(lines 828 836) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= (_ bv0 32) ~pumpRunning~0)))) [2021-10-13 07:52:12,304 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 828 836) the Hoare annotation is: false [2021-10-13 07:52:12,304 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 828 836) the Hoare annotation is: false [2021-10-13 07:52:12,304 INFO L853 garLoopResultBuilder]: At program point L801(lines 796 804) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-13 07:52:12,304 INFO L853 garLoopResultBuilder]: At program point L801-1(lines 796 804) the Hoare annotation is: false [2021-10-13 07:52:12,305 INFO L853 garLoopResultBuilder]: At program point L735(lines 1 981) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,305 INFO L853 garLoopResultBuilder]: At program point L801-2(lines 796 804) the Hoare annotation is: false [2021-10-13 07:52:12,305 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2021-10-13 07:52:12,305 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 906) no Hoare annotation was computed. [2021-10-13 07:52:12,305 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 882) no Hoare annotation was computed. [2021-10-13 07:52:12,305 INFO L857 garLoopResultBuilder]: For program point L902-1(lines 494 500) no Hoare annotation was computed. [2021-10-13 07:52:12,306 INFO L853 garLoopResultBuilder]: At program point L869-1(lines 1 981) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))))) [2021-10-13 07:52:12,306 INFO L857 garLoopResultBuilder]: For program point L869-2(lines 869 882) no Hoare annotation was computed. [2021-10-13 07:52:12,306 INFO L853 garLoopResultBuilder]: At program point L869-3(lines 1 981) the Hoare annotation is: false [2021-10-13 07:52:12,306 INFO L857 garLoopResultBuilder]: For program point L869-4(lines 869 882) no Hoare annotation was computed. [2021-10-13 07:52:12,306 INFO L853 garLoopResultBuilder]: At program point L869-5(lines 1 981) the Hoare annotation is: false [2021-10-13 07:52:12,307 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 976) no Hoare annotation was computed. [2021-10-13 07:52:12,307 INFO L860 garLoopResultBuilder]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2021-10-13 07:52:12,307 INFO L853 garLoopResultBuilder]: At program point L705(lines 690 708) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 (_ bv0 32))) [2021-10-13 07:52:12,307 INFO L853 garLoopResultBuilder]: At program point L705-1(lines 690 708) the Hoare annotation is: false [2021-10-13 07:52:12,307 INFO L853 garLoopResultBuilder]: At program point L705-2(lines 690 708) the Hoare annotation is: false [2021-10-13 07:52:12,308 INFO L853 garLoopResultBuilder]: At program point L705-3(lines 690 708) the Hoare annotation is: false [2021-10-13 07:52:12,308 INFO L853 garLoopResultBuilder]: At program point L705-4(lines 690 708) the Hoare annotation is: false [2021-10-13 07:52:12,308 INFO L853 garLoopResultBuilder]: At program point L705-5(lines 690 708) the Hoare annotation is: false [2021-10-13 07:52:12,308 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 448) no Hoare annotation was computed. [2021-10-13 07:52:12,308 INFO L853 garLoopResultBuilder]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-13 07:52:12,309 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2021-10-13 07:52:12,309 INFO L857 garLoopResultBuilder]: For program point L873-2(lines 873 879) no Hoare annotation was computed. [2021-10-13 07:52:12,309 INFO L857 garLoopResultBuilder]: For program point L873-4(lines 873 879) no Hoare annotation was computed. [2021-10-13 07:52:12,309 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,309 INFO L857 garLoopResultBuilder]: For program point L841-1(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,309 INFO L857 garLoopResultBuilder]: For program point L841-2(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,309 INFO L857 garLoopResultBuilder]: For program point L841-3(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,310 INFO L857 garLoopResultBuilder]: For program point L841-4(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,310 INFO L857 garLoopResultBuilder]: For program point L841-5(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,310 INFO L857 garLoopResultBuilder]: For program point L841-6(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,310 INFO L857 garLoopResultBuilder]: For program point L841-7(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,310 INFO L857 garLoopResultBuilder]: For program point L841-8(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,310 INFO L857 garLoopResultBuilder]: For program point L841-9(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,311 INFO L857 garLoopResultBuilder]: For program point L841-10(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,311 INFO L857 garLoopResultBuilder]: For program point L841-11(lines 841 847) no Hoare annotation was computed. [2021-10-13 07:52:12,311 INFO L857 garLoopResultBuilder]: For program point L776(lines 776 780) no Hoare annotation was computed. [2021-10-13 07:52:12,311 INFO L853 garLoopResultBuilder]: At program point L743(lines 738 746) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,311 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2021-10-13 07:52:12,311 INFO L857 garLoopResultBuilder]: For program point L578-1(lines 578 595) no Hoare annotation was computed. [2021-10-13 07:52:12,312 INFO L857 garLoopResultBuilder]: For program point L578-2(lines 578 595) no Hoare annotation was computed. [2021-10-13 07:52:12,312 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,312 INFO L857 garLoopResultBuilder]: For program point L680-2(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,312 INFO L857 garLoopResultBuilder]: For program point L680-3(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,312 INFO L857 garLoopResultBuilder]: For program point L680-5(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,312 INFO L857 garLoopResultBuilder]: For program point L680-6(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,313 INFO L857 garLoopResultBuilder]: For program point L680-8(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,313 INFO L857 garLoopResultBuilder]: For program point L680-9(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,313 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,313 INFO L857 garLoopResultBuilder]: For program point L680-11(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,313 INFO L857 garLoopResultBuilder]: For program point L680-12(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,313 INFO L857 garLoopResultBuilder]: For program point L680-14(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,314 INFO L857 garLoopResultBuilder]: For program point L680-15(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,314 INFO L857 garLoopResultBuilder]: For program point L680-17(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,314 INFO L857 garLoopResultBuilder]: For program point L680-18(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,314 INFO L857 garLoopResultBuilder]: For program point L680-20(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,314 INFO L857 garLoopResultBuilder]: For program point L680-21(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,314 INFO L860 garLoopResultBuilder]: At program point L978(lines 959 981) the Hoare annotation is: true [2021-10-13 07:52:12,315 INFO L857 garLoopResultBuilder]: For program point L680-23(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,315 INFO L857 garLoopResultBuilder]: For program point L680-24(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,315 INFO L853 garLoopResultBuilder]: At program point L846(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,315 INFO L857 garLoopResultBuilder]: For program point L680-26(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,315 INFO L853 garLoopResultBuilder]: At program point L846-1(lines 837 850) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,315 INFO L857 garLoopResultBuilder]: For program point L680-27(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,316 INFO L853 garLoopResultBuilder]: At program point L846-2(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,316 INFO L853 garLoopResultBuilder]: At program point L846-3(lines 837 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-13 07:52:12,316 INFO L857 garLoopResultBuilder]: For program point L680-29(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,316 INFO L853 garLoopResultBuilder]: At program point L846-4(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,316 INFO L857 garLoopResultBuilder]: For program point L680-30(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,317 INFO L853 garLoopResultBuilder]: At program point L846-5(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,317 INFO L853 garLoopResultBuilder]: At program point L846-6(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,317 INFO L857 garLoopResultBuilder]: For program point L680-32(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,317 INFO L853 garLoopResultBuilder]: At program point L846-7(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,317 INFO L857 garLoopResultBuilder]: For program point L680-33(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,317 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2021-10-13 07:52:12,318 INFO L853 garLoopResultBuilder]: At program point L846-8(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,318 INFO L857 garLoopResultBuilder]: For program point L582-1(lines 582 590) no Hoare annotation was computed. [2021-10-13 07:52:12,318 INFO L853 garLoopResultBuilder]: At program point L846-9(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,318 INFO L857 garLoopResultBuilder]: For program point L680-35(lines 680 684) no Hoare annotation was computed. [2021-10-13 07:52:12,318 INFO L857 garLoopResultBuilder]: For program point L582-2(lines 582 590) no Hoare annotation was computed. [2021-10-13 07:52:12,318 INFO L853 garLoopResultBuilder]: At program point L846-10(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,319 INFO L853 garLoopResultBuilder]: At program point L846-11(lines 837 850) the Hoare annotation is: false [2021-10-13 07:52:12,319 INFO L853 garLoopResultBuilder]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-13 07:52:12,319 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 463) no Hoare annotation was computed. [2021-10-13 07:52:12,319 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 569) no Hoare annotation was computed. [2021-10-13 07:52:12,319 INFO L857 garLoopResultBuilder]: For program point L552-1(lines 552 569) no Hoare annotation was computed. [2021-10-13 07:52:12,320 INFO L857 garLoopResultBuilder]: For program point L552-2(lines 552 569) no Hoare annotation was computed. [2021-10-13 07:52:12,320 INFO L857 garLoopResultBuilder]: For program point L552-3(lines 552 569) no Hoare annotation was computed. [2021-10-13 07:52:12,320 INFO L857 garLoopResultBuilder]: For program point L552-4(lines 552 569) no Hoare annotation was computed. [2021-10-13 07:52:12,320 INFO L857 garLoopResultBuilder]: For program point L552-5(lines 552 569) no Hoare annotation was computed. [2021-10-13 07:52:12,320 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,320 INFO L857 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2021-10-13 07:52:12,320 INFO L857 garLoopResultBuilder]: For program point L752-1(line 752) no Hoare annotation was computed. [2021-10-13 07:52:12,321 INFO L853 garLoopResultBuilder]: At program point L686(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,321 INFO L857 garLoopResultBuilder]: For program point L752-2(line 752) no Hoare annotation was computed. [2021-10-13 07:52:12,321 INFO L853 garLoopResultBuilder]: At program point L686-1(lines 671 689) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))) [2021-10-13 07:52:12,321 INFO L853 garLoopResultBuilder]: At program point L686-2(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,321 INFO L853 garLoopResultBuilder]: At program point L686-3(lines 671 689) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 (_ bv1 32))))) [2021-10-13 07:52:12,322 INFO L853 garLoopResultBuilder]: At program point L686-4(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,322 INFO L853 garLoopResultBuilder]: At program point L686-5(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,322 INFO L853 garLoopResultBuilder]: At program point L686-6(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,322 INFO L853 garLoopResultBuilder]: At program point L686-7(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,322 INFO L853 garLoopResultBuilder]: At program point L686-8(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,322 INFO L853 garLoopResultBuilder]: At program point L686-9(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,323 INFO L853 garLoopResultBuilder]: At program point L686-10(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,323 INFO L853 garLoopResultBuilder]: At program point L686-11(lines 671 689) the Hoare annotation is: false [2021-10-13 07:52:12,323 INFO L857 garLoopResultBuilder]: For program point L423(lines 422 467) no Hoare annotation was computed. [2021-10-13 07:52:12,323 INFO L853 garLoopResultBuilder]: At program point L622(lines 615 625) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-13 07:52:12,323 INFO L853 garLoopResultBuilder]: At program point L622-1(lines 615 625) the Hoare annotation is: false [2021-10-13 07:52:12,324 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 564) no Hoare annotation was computed. [2021-10-13 07:52:12,324 INFO L853 garLoopResultBuilder]: At program point L622-2(lines 615 625) the Hoare annotation is: false [2021-10-13 07:52:12,324 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 556 564) no Hoare annotation was computed. [2021-10-13 07:52:12,324 INFO L857 garLoopResultBuilder]: For program point L556-2(lines 556 564) no Hoare annotation was computed. [2021-10-13 07:52:12,324 INFO L857 garLoopResultBuilder]: For program point L556-3(lines 556 564) no Hoare annotation was computed. [2021-10-13 07:52:12,324 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-13 07:52:12,325 INFO L857 garLoopResultBuilder]: For program point L556-4(lines 556 564) no Hoare annotation was computed. [2021-10-13 07:52:12,325 INFO L857 garLoopResultBuilder]: For program point L556-5(lines 556 564) no Hoare annotation was computed. [2021-10-13 07:52:12,325 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,325 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 792) no Hoare annotation was computed. [2021-10-13 07:52:12,325 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-13 07:52:12,325 INFO L857 garLoopResultBuilder]: For program point L458-2(lines 494 500) no Hoare annotation was computed. [2021-10-13 07:52:12,326 INFO L853 garLoopResultBuilder]: At program point L856(lines 851 859) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~6 (_ bv0 32)) (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) [2021-10-13 07:52:12,326 INFO L853 garLoopResultBuilder]: At program point L856-1(lines 851 859) the Hoare annotation is: false [2021-10-13 07:52:12,326 INFO L853 garLoopResultBuilder]: At program point L856-2(lines 851 859) the Hoare annotation is: false [2021-10-13 07:52:12,326 INFO L853 garLoopResultBuilder]: At program point L856-3(lines 851 859) the Hoare annotation is: false [2021-10-13 07:52:12,326 INFO L853 garLoopResultBuilder]: At program point L856-4(lines 851 859) the Hoare annotation is: false [2021-10-13 07:52:12,326 INFO L853 garLoopResultBuilder]: At program point L856-5(lines 851 859) the Hoare annotation is: false [2021-10-13 07:52:12,326 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-3(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-4(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-5(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-6(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-7(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,327 INFO L857 garLoopResultBuilder]: For program point L526-8(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,328 INFO L857 garLoopResultBuilder]: For program point L526-9(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,328 INFO L857 garLoopResultBuilder]: For program point L526-10(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,328 INFO L857 garLoopResultBuilder]: For program point L526-11(lines 526 543) no Hoare annotation was computed. [2021-10-13 07:52:12,328 INFO L853 garLoopResultBuilder]: At program point L494(lines 493 512) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9 (_ bv0 32)))) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-13 07:52:12,328 INFO L857 garLoopResultBuilder]: For program point L494-1(lines 494 500) no Hoare annotation was computed. [2021-10-13 07:52:12,329 INFO L853 garLoopResultBuilder]: At program point L494-2(lines 493 512) the Hoare annotation is: false [2021-10-13 07:52:12,329 INFO L853 garLoopResultBuilder]: At program point L494-3(lines 493 512) the Hoare annotation is: false [2021-10-13 07:52:12,329 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 07:52:12,329 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed. [2021-10-13 07:52:12,329 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,329 INFO L857 garLoopResultBuilder]: For program point L530-1(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,330 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,330 INFO L857 garLoopResultBuilder]: For program point L530-3(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,330 INFO L857 garLoopResultBuilder]: For program point L530-4(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,330 INFO L857 garLoopResultBuilder]: For program point L530-5(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,330 INFO L857 garLoopResultBuilder]: For program point L530-6(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,330 INFO L857 garLoopResultBuilder]: For program point L530-7(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,330 INFO L857 garLoopResultBuilder]: For program point L530-8(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,331 INFO L857 garLoopResultBuilder]: For program point L530-9(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,331 INFO L857 garLoopResultBuilder]: For program point L530-10(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,331 INFO L857 garLoopResultBuilder]: For program point L530-11(lines 530 538) no Hoare annotation was computed. [2021-10-13 07:52:12,336 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:52:12,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:52:12 BoogieIcfgContainer [2021-10-13 07:52:12,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:52:12,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:52:12,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:52:12,372 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:52:12,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:51:40" (3/4) ... [2021-10-13 07:52:12,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:52:12,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 07:52:12,411 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 07:52:12,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 07:52:12,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 07:52:12,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:52:12,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:52:12,421 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:52:12,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(tmp == 0bv32)) [2021-10-13 07:52:12,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) [2021-10-13 07:52:12,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-10-13 07:52:12,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-10-13 07:52:12,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-13 07:52:12,463 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) [2021-10-13 07:52:12,465 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) [2021-10-13 07:52:12,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning [2021-10-13 07:52:12,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(tmp == 0bv32)) && tmp == 0bv32 [2021-10-13 07:52:12,468 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && tmp == 1bv32 [2021-10-13 07:52:12,553 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:52:12,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:52:12,555 INFO L168 Benchmark]: Toolchain (without parser) took 36408.38 ms. Allocated memory was 69.2 MB in the beginning and 201.3 MB in the end (delta: 132.1 MB). Free memory was 50.0 MB in the beginning and 59.1 MB in the end (delta: -9.1 MB). Peak memory consumption was 122.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:12,556 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:52:12,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.09 ms. Allocated memory is still 69.2 MB. Free memory was 49.7 MB in the beginning and 37.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:12,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.85 ms. Allocated memory is still 69.2 MB. Free memory was 37.3 MB in the beginning and 32.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:12,557 INFO L168 Benchmark]: Boogie Preprocessor took 124.43 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 32.6 MB in the beginning and 83.5 MB in the end (delta: -50.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:12,557 INFO L168 Benchmark]: RCFGBuilder took 3177.40 ms. Allocated memory is still 104.9 MB. Free memory was 83.5 MB in the beginning and 52.3 MB in the end (delta: 31.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:12,558 INFO L168 Benchmark]: TraceAbstraction took 32056.37 ms. Allocated memory was 104.9 MB in the beginning and 201.3 MB in the end (delta: 96.5 MB). Free memory was 51.7 MB in the beginning and 73.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 93.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:12,558 INFO L168 Benchmark]: Witness Printer took 181.93 ms. Allocated memory is still 201.3 MB. Free memory was 73.8 MB in the beginning and 59.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:52:12,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 69.2 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 722.09 ms. Allocated memory is still 69.2 MB. Free memory was 49.7 MB in the beginning and 37.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.85 ms. Allocated memory is still 69.2 MB. Free memory was 37.3 MB in the beginning and 32.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.43 ms. Allocated memory was 69.2 MB in the beginning and 104.9 MB in the end (delta: 35.7 MB). Free memory was 32.6 MB in the beginning and 83.5 MB in the end (delta: -50.9 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3177.40 ms. Allocated memory is still 104.9 MB. Free memory was 83.5 MB in the beginning and 52.3 MB in the end (delta: 31.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 32056.37 ms. Allocated memory was 104.9 MB in the beginning and 201.3 MB in the end (delta: 96.5 MB). Free memory was 51.7 MB in the beginning and 73.8 MB in the end (delta: -22.1 MB). Peak memory consumption was 93.4 MB. Max. memory is 16.1 GB. * Witness Printer took 181.93 ms. Allocated memory is still 201.3 MB. Free memory was 73.8 MB in the beginning and 59.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 752]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 752]: 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, 189 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 31927.9ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 60.4ms, AutomataDifference: 7957.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 10973.0ms, InitialAbstractionConstructionTime: 22.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1643 SDtfs, 5169 SDslu, 4554 SDs, 0 SdLazy, 873 SolverSat, 224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4234.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1258 GetRequests, 1123 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2111 ImplicationChecksByTransitivity, 2197.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=10, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 438.0ms AutomataMinimizationTime, 11 MinimizatonAttempts, 5090 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 66 LocationsWithAnnotation, 66 PreInvPairs, 198 NumberOfFragments, 625 HoareAnnotationTreeSize, 66 FomulaSimplifications, 1343017 FormulaSimplificationTreeSizeReduction, 3224.8ms HoareSimplificationTime, 66 FomulaSimplificationsInter, 94245 FormulaSimplificationTreeSizeReductionInter, 7728.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 369.9ms SsaConstructionTime, 1742.0ms SatisfiabilityAnalysisTime, 4875.9ms InterpolantComputationTime, 596 NumberOfCodeBlocks, 596 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1164 ConstructedInterpolants, 0 QuantifiedInterpolants, 2620 SizeOfPredicates, 34 NumberOfNonLiveVariables, 3159 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 236/302 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: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32) - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && 1bv32 == \result) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) && tmp == 1bv32 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(tmp == 0bv32)) && tmp == 0bv32 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && !(tmp == 0bv32))) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) && tmp == 1bv32)) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result) && tmp == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && systemActive == 1bv32) && !(tmp == 0bv32)) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((tmp == 0bv32 && splverifierCounter == 0bv32) && !(0bv32 == \result)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && !(tmp == 0bv32) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 07:52:12,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c73d49c2-1f32-4662-a1a1-bec5b1738a79/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...