./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:58:34,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:58:34,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:58:34,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:58:34,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:58:34,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:58:34,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:58:34,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:58:34,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:58:34,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:58:34,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:58:34,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:58:34,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:58:34,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:58:34,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:58:34,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:58:34,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:58:34,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:58:34,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:58:34,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:58:34,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:58:34,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:58:34,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:58:34,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:58:34,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:58:34,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:58:34,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:58:34,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:58:34,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:58:34,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:58:34,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:58:34,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:58:34,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:58:34,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:58:34,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:58:34,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:58:34,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:58:34,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:58:34,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:58:34,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:58:34,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:58:34,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:58:34,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:58:34,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:58:34,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:58:34,549 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:58:34,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:58:34,549 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:58:34,549 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:58:34,550 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:58:34,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:58:34,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:58:34,552 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:58:34,552 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:58:34,552 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:58:34,553 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:58:34,553 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:58:34,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:58:34,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:58:34,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:58:34,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:58:34,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:58:34,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:58:34,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:58:34,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:58:34,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:58:34,556 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:58:34,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:58:34,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:58:34,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:58:34,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:58:34,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:58:34,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:58:34,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:58:34,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:58:34,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:58:34,561 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:58:34,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:58:34,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:58:34,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:58:34,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:58:34,562 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_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 [2021-11-07 01:58:34,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:58:34,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:58:34,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:58:34,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:58:34,897 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:58:34,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-11-07 01:58:34,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/aecc79454/3f14d9a5b9bf4bd49177ac740548dbd2/FLAG4e204c872 [2021-11-07 01:58:35,700 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:58:35,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-11-07 01:58:35,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/aecc79454/3f14d9a5b9bf4bd49177ac740548dbd2/FLAG4e204c872 [2021-11-07 01:58:35,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/aecc79454/3f14d9a5b9bf4bd49177ac740548dbd2 [2021-11-07 01:58:35,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:58:35,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:58:35,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:35,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:58:35,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:58:35,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:35" (1/1) ... [2021-11-07 01:58:35,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b279775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:35, skipping insertion in model container [2021-11-07 01:58:35,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:35" (1/1) ... [2021-11-07 01:58:35,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:58:36,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:58:36,262 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_61af0f66-15c7-41ec-af6f-6a162af9608f/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1605,1618] [2021-11-07 01:58:36,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:58:36,422 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:58:36,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c0f4080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:36, skipping insertion in model container [2021-11-07 01:58:36,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:36,423 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:58:36,426 INFO L168 Benchmark]: Toolchain (without parser) took 463.14 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 82.2 MB in the beginning and 109.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:36,427 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:58:36,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.03 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 82.2 MB in the beginning and 109.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:36,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 65.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 460.03 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 82.2 MB in the beginning and 109.1 MB in the end (delta: -26.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 627]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:58:39,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:58:39,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:58:39,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:58:39,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:58:39,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:58:39,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:58:39,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:58:39,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:58:39,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:58:39,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:58:39,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:58:39,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:58:39,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:58:39,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:58:39,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:58:39,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:58:39,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:58:39,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:58:39,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:58:39,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:58:39,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:58:39,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:58:39,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:58:39,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:58:39,147 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:58:39,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:58:39,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:58:39,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:58:39,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:58:39,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:58:39,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:58:39,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:58:39,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:58:39,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:58:39,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:58:39,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:58:39,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:58:39,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:58:39,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:58:39,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:58:39,166 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:58:39,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:58:39,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:58:39,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:58:39,207 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:58:39,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:58:39,208 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:58:39,208 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:58:39,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:58:39,209 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:58:39,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:58:39,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:58:39,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:58:39,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:58:39,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:58:39,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:58:39,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:58:39,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:58:39,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:58:39,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:58:39,213 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:58:39,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:58:39,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:58:39,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:58:39,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:58:39,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:58:39,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:58:39,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:58:39,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:58:39,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:58:39,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:58:39,224 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:58:39,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:39,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:58:39,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:58:39,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:58:39,225 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_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcab8ddabad39d2c77c9d9341cfb89acc265e09aeb5bde0419f381c4b7bb75b6 [2021-11-07 01:58:39,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:58:39,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:58:39,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:58:39,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:58:39,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:58:39,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-11-07 01:58:39,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/e9f454a95/f9558e8904cb4b94b41f113e739d0ecb/FLAG7394d1899 [2021-11-07 01:58:40,611 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:58:40,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c [2021-11-07 01:58:40,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/e9f454a95/f9558e8904cb4b94b41f113e739d0ecb/FLAG7394d1899 [2021-11-07 01:58:40,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/data/e9f454a95/f9558e8904cb4b94b41f113e739d0ecb [2021-11-07 01:58:40,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:58:40,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:58:40,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:40,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:58:40,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:58:40,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:40" (1/1) ... [2021-11-07 01:58:40,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4558893a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:40, skipping insertion in model container [2021-11-07 01:58:40,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:40" (1/1) ... [2021-11-07 01:58:40,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:58:40,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:58:41,260 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_61af0f66-15c7-41ec-af6f-6a162af9608f/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1605,1618] [2021-11-07 01:58:41,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:58:41,486 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:58:41,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:58:41,510 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_61af0f66-15c7-41ec-af6f-6a162af9608f/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1605,1618] [2021-11-07 01:58:41,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:58:41,618 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:58:41,634 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_61af0f66-15c7-41ec-af6f-6a162af9608f/sv-benchmarks/c/product-lines/minepump_spec4_product49.cil.c[1605,1618] [2021-11-07 01:58:41,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:58:41,773 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:58:41,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41 WrapperNode [2021-11-07 01:58:41,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:41,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:58:41,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:58:41,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:58:41,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:41,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:41,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:58:41,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:58:41,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:58:41,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:58:41,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:41,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:41,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:41,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:41,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:42,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:42,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:42,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:58:42,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:58:42,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:58:42,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:58:42,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (1/1) ... [2021-11-07 01:58:42,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:58:42,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:58:42,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:58:42,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:58:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:58:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:58:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:58:42,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:58:45,005 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:58:45,006 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-11-07 01:58:45,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:58:45 BoogieIcfgContainer [2021-11-07 01:58:45,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:58:45,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:58:45,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:58:45,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:58:45,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:58:40" (1/3) ... [2021-11-07 01:58:45,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ededf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:58:45, skipping insertion in model container [2021-11-07 01:58:45,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:41" (2/3) ... [2021-11-07 01:58:45,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ededf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:58:45, skipping insertion in model container [2021-11-07 01:58:45,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:58:45" (3/3) ... [2021-11-07 01:58:45,019 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2021-11-07 01:58:45,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:58:45,027 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:58:45,087 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:58:45,095 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:58:45,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:58:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:58:45,125 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:45,126 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:45,127 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:45,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:45,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1641629540, now seen corresponding path program 1 times [2021-11-07 01:58:45,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:45,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947424618] [2021-11-07 01:58:45,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:45,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:45,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:45,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:45,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:58:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:45,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:58:45,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:45,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:45,703 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:45,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947424618] [2021-11-07 01:58:45,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947424618] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:45,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:45,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:58:45,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129121945] [2021-11-07 01:58:45,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:58:45,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:45,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:58:45,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:58:45,740 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:45,808 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-11-07 01:58:45,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:58:45,810 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:58:45,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:45,826 INFO L225 Difference]: With dead ends: 228 [2021-11-07 01:58:45,826 INFO L226 Difference]: Without dead ends: 113 [2021-11-07 01:58:45,830 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:58:45,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-07 01:58:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-11-07 01:58:45,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-11-07 01:58:45,902 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-11-07 01:58:45,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:45,903 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-11-07 01:58:45,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-11-07 01:58:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:58:45,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:45,908 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:45,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:46,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:46,124 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:46,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:46,126 INFO L85 PathProgramCache]: Analyzing trace with hash 594872643, now seen corresponding path program 1 times [2021-11-07 01:58:46,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:46,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202021824] [2021-11-07 01:58:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:46,128 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:46,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:46,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:46,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:58:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:46,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:58:46,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:46,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:46,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:46,566 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:46,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202021824] [2021-11-07 01:58:46,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202021824] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:46,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:46,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:58:46,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149423728] [2021-11-07 01:58:46,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:58:46,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:46,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:58:46,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:58:46,571 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:46,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:46,591 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-11-07 01:58:46,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:58:46,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:58:46,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:46,593 INFO L225 Difference]: With dead ends: 113 [2021-11-07 01:58:46,593 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 01:58:46,594 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:58:46,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 01:58:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-07 01:58:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-11-07 01:58:46,600 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-11-07 01:58:46,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:46,601 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-11-07 01:58:46,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-11-07 01:58:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:58:46,603 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:46,603 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:46,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:46,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:46,818 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:46,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:46,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1404483435, now seen corresponding path program 1 times [2021-11-07 01:58:46,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:46,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562711412] [2021-11-07 01:58:46,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:46,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:46,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:46,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:58:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:47,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:58:47,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:47,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:47,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:47,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562711412] [2021-11-07 01:58:47,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562711412] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:47,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:47,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:58:47,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118890011] [2021-11-07 01:58:47,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:58:47,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:47,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:58:47,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:58:47,318 INFO L87 Difference]: Start difference. First operand 47 states and 68 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) [2021-11-07 01:58:47,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:47,328 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-11-07 01:58:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:58:47,329 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 [2021-11-07 01:58:47,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:47,330 INFO L225 Difference]: With dead ends: 88 [2021-11-07 01:58:47,330 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 01:58:47,331 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:58:47,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 01:58:47,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-07 01:58:47,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:47,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-11-07 01:58:47,338 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-11-07 01:58:47,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:47,338 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-11-07 01:58:47,339 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) [2021-11-07 01:58:47,339 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-11-07 01:58:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:58:47,340 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:47,340 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:47,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:47,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:47,554 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:47,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:47,555 INFO L85 PathProgramCache]: Analyzing trace with hash -764351347, now seen corresponding path program 1 times [2021-11-07 01:58:47,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:47,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796168243] [2021-11-07 01:58:47,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:47,557 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:47,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:47,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:47,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:58:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:47,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:58:47,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:47,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:47,979 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:47,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796168243] [2021-11-07 01:58:47,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796168243] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:47,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:47,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:58:47,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54312767] [2021-11-07 01:58:47,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:58:47,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:47,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:58:47,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:58:47,984 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:48,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:48,057 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-11-07 01:58:48,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:58:48,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:58:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:48,059 INFO L225 Difference]: With dead ends: 109 [2021-11-07 01:58:48,059 INFO L226 Difference]: Without dead ends: 68 [2021-11-07 01:58:48,060 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:58:48,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-07 01:58:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-11-07 01:58:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-11-07 01:58:48,078 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-11-07 01:58:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:48,078 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-11-07 01:58:48,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-07 01:58:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:58:48,080 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:48,080 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:48,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:48,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:48,301 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:48,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:48,302 INFO L85 PathProgramCache]: Analyzing trace with hash -805303330, now seen corresponding path program 1 times [2021-11-07 01:58:48,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:48,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357320742] [2021-11-07 01:58:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:48,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:48,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:48,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:48,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:58:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:48,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:58:48,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:48,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:48,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:48,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357320742] [2021-11-07 01:58:48,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357320742] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:48,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:48,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:58:48,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711877992] [2021-11-07 01:58:48,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:58:48,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:48,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:58:48,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:58:48,744 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:48,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:48,878 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-11-07 01:58:48,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:58:48,879 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 30 [2021-11-07 01:58:48,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:48,881 INFO L225 Difference]: With dead ends: 175 [2021-11-07 01:58:48,884 INFO L226 Difference]: Without dead ends: 115 [2021-11-07 01:58:48,885 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:58:48,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-07 01:58:48,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-11-07 01:58:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 71 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-11-07 01:58:48,919 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-11-07 01:58:48,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:48,920 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-11-07 01:58:48,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-07 01:58:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:58:48,923 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:48,923 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:58:48,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:49,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:49,140 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:49,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:49,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1857207713, now seen corresponding path program 1 times [2021-11-07 01:58:49,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:49,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151100711] [2021-11-07 01:58:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:49,143 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:49,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:49,145 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:49,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:58:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:49,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:58:49,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:49,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:49,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:58:49,770 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:49,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151100711] [2021-11-07 01:58:49,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151100711] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:49,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:49,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:58:49,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029821660] [2021-11-07 01:58:49,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:58:49,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:58:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:58:49,773 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:50,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:50,152 INFO L93 Difference]: Finished difference Result 536 states and 758 transitions. [2021-11-07 01:58:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:58:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 01:58:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:50,157 INFO L225 Difference]: With dead ends: 536 [2021-11-07 01:58:50,157 INFO L226 Difference]: Without dead ends: 470 [2021-11-07 01:58:50,158 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:58:50,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2021-11-07 01:58:50,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 173. [2021-11-07 01:58:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-11-07 01:58:50,234 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 30 [2021-11-07 01:58:50,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:50,235 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-11-07 01:58:50,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-11-07 01:58:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:58:50,245 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:50,245 INFO L513 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, 1] [2021-11-07 01:58:50,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:50,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:50,465 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:50,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:50,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1478686347, now seen corresponding path program 1 times [2021-11-07 01:58:50,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:50,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821185695] [2021-11-07 01:58:50,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:50,468 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:50,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:50,469 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:50,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:58:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:50,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:58:50,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:58:50,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:58:51,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:51,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821185695] [2021-11-07 01:58:51,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821185695] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:51,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:58:51,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:58:51,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040469668] [2021-11-07 01:58:51,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:58:51,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:51,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:58:51,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:58:51,122 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:51,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:51,204 INFO L93 Difference]: Finished difference Result 407 states and 551 transitions. [2021-11-07 01:58:51,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:58:51,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 [2021-11-07 01:58:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:51,209 INFO L225 Difference]: With dead ends: 407 [2021-11-07 01:58:51,209 INFO L226 Difference]: Without dead ends: 240 [2021-11-07 01:58:51,211 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:58:51,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-07 01:58:51,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2021-11-07 01:58:51,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3377483443708609) internal successors, (202), 151 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:51,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 202 transitions. [2021-11-07 01:58:51,261 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 202 transitions. Word has length 50 [2021-11-07 01:58:51,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:51,261 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 202 transitions. [2021-11-07 01:58:51,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 202 transitions. [2021-11-07 01:58:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:58:51,271 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:51,272 INFO L513 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] [2021-11-07 01:58:51,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:51,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:51,493 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:51,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:51,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1506097615, now seen corresponding path program 1 times [2021-11-07 01:58:51,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:51,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508764204] [2021-11-07 01:58:51,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:51,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:51,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:51,498 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:51,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:58:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:51,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:51,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:52,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:52,318 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:52,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508764204] [2021-11-07 01:58:52,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [508764204] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:52,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1490109562] [2021-11-07 01:58:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:52,319 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:52,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:58:52,328 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:58:52,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-07 01:58:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:52,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:58:52,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:52,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:53,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1490109562] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:53,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:58:53,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 11 [2021-11-07 01:58:53,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891847764] [2021-11-07 01:58:53,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:58:53,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:53,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:58:53,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:58:53,056 INFO L87 Difference]: Start difference. First operand 152 states and 202 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:53,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:53,173 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2021-11-07 01:58:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:58:53,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 01:58:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:53,178 INFO L225 Difference]: With dead ends: 514 [2021-11-07 01:58:53,178 INFO L226 Difference]: Without dead ends: 392 [2021-11-07 01:58:53,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:58:53,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2021-11-07 01:58:53,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 158. [2021-11-07 01:58:53,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 157 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions. [2021-11-07 01:58:53,207 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 51 [2021-11-07 01:58:53,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:53,208 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions. [2021-11-07 01:58:53,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions. [2021-11-07 01:58:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:58:53,210 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:53,210 INFO L513 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] [2021-11-07 01:58:53,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:53,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:53,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:53,620 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:53,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:53,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1899124625, now seen corresponding path program 1 times [2021-11-07 01:58:53,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:53,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656539367] [2021-11-07 01:58:53,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:53,622 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:53,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:53,623 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:53,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:58:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:54,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:54,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:54,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:54,558 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:54,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656539367] [2021-11-07 01:58:54,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656539367] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:54,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1829338950] [2021-11-07 01:58:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:54,559 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:58:54,564 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:58:54,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 01:58:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:55,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:58:55,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:55,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:58:55,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1829338950] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:58:55,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:58:55,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5] total 13 [2021-11-07 01:58:55,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777433218] [2021-11-07 01:58:55,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:58:55,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:55,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:58:55,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:58:55,385 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:55,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:58:55,633 INFO L93 Difference]: Finished difference Result 414 states and 551 transitions. [2021-11-07 01:58:55,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:58:55,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 01:58:55,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:58:55,641 INFO L225 Difference]: With dead ends: 414 [2021-11-07 01:58:55,642 INFO L226 Difference]: Without dead ends: 412 [2021-11-07 01:58:55,642 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:58:55,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2021-11-07 01:58:55,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 158. [2021-11-07 01:58:55,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3184713375796178) internal successors, (207), 157 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-11-07 01:58:55,672 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 51 [2021-11-07 01:58:55,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:58:55,672 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-11-07 01:58:55,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:58:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2021-11-07 01:58:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:58:55,674 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:58:55,675 INFO L513 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] [2021-11-07 01:58:55,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:55,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:58:56,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:58:56,086 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:58:56,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:58:56,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1033530397, now seen corresponding path program 1 times [2021-11-07 01:58:56,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:58:56,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900797602] [2021-11-07 01:58:56,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:56,087 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:58:56,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:58:56,089 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:58:56,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:58:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:56,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:56,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:56,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:56,999 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:58:56,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900797602] [2021-11-07 01:58:56,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900797602] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:56,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1219431993] [2021-11-07 01:58:57,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:57,000 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:57,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:58:57,004 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:58:57,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 01:58:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:57,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:58:57,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:57,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:58,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1219431993] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:58,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849292591] [2021-11-07 01:58:58,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:58:58,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:58:58,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:58:58,093 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:58:58,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:58:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:58:58,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:58:58,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:58:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:58,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:58:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:58:59,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849292591] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:58:59,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:58:59,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-11-07 01:58:59,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920556714] [2021-11-07 01:58:59,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:58:59,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:58:59,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:58:59,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:58:59,071 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 11 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) [2021-11-07 01:59:03,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:03,080 INFO L93 Difference]: Finished difference Result 1838 states and 2480 transitions. [2021-11-07 01:59:03,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 01:59:03,081 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 11 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) Word has length 52 [2021-11-07 01:59:03,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:03,093 INFO L225 Difference]: With dead ends: 1838 [2021-11-07 01:59:03,093 INFO L226 Difference]: Without dead ends: 1710 [2021-11-07 01:59:03,097 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2021 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-11-07 01:59:03,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2021-11-07 01:59:03,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 280. [2021-11-07 01:59:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 279 states have (on average 1.3405017921146953) internal successors, (374), 279 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 374 transitions. [2021-11-07 01:59:03,168 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 374 transitions. Word has length 52 [2021-11-07 01:59:03,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:03,169 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 374 transitions. [2021-11-07 01:59:03,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 11 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) [2021-11-07 01:59:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 374 transitions. [2021-11-07 01:59:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-07 01:59:03,172 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:03,172 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 01:59:03,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:03,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:03,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-07 01:59:03,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:59:03,788 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:03,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:03,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1906700874, now seen corresponding path program 1 times [2021-11-07 01:59:03,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:03,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159916162] [2021-11-07 01:59:03,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:03,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:03,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:03,791 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:03,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:59:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:04,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:59:04,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:59:04,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:59:04,730 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:04,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159916162] [2021-11-07 01:59:04,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159916162] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:04,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:04,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:59:04,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45030833] [2021-11-07 01:59:04,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:59:04,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:04,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:59:04,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:59:04,732 INFO L87 Difference]: Start difference. First operand 280 states and 374 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:04,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:04,813 INFO L93 Difference]: Finished difference Result 447 states and 589 transitions. [2021-11-07 01:59:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:59:04,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 73 [2021-11-07 01:59:04,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:04,815 INFO L225 Difference]: With dead ends: 447 [2021-11-07 01:59:04,815 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:59:04,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:59:04,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:59:04,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:59:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:59:04,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-11-07 01:59:04,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:04,818 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:59:04,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:59:04,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:59:04,821 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:59:04,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:59:04,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:59:04,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:05,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:05,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:59:05,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:05,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:06,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:59:11,260 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:59:11,261 INFO L860 garLoopResultBuilder]: At program point L267(lines 248 270) the Hoare annotation is: true [2021-11-07 01:59:11,261 INFO L853 garLoopResultBuilder]: At program point L468(lines 453 471) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~4 (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32))) [2021-11-07 01:59:11,262 INFO L853 garLoopResultBuilder]: At program point L468-1(lines 453 471) the Hoare annotation is: false [2021-11-07 01:59:11,262 INFO L853 garLoopResultBuilder]: At program point L468-2(lines 453 471) the Hoare annotation is: false [2021-11-07 01:59:11,262 INFO L853 garLoopResultBuilder]: At program point L568(lines 563 571) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:59:11,262 INFO L857 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-11-07 01:59:11,262 INFO L857 garLoopResultBuilder]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2021-11-07 01:59:11,263 INFO L857 garLoopResultBuilder]: For program point L73-6(lines 73 77) no Hoare annotation was computed. [2021-11-07 01:59:11,263 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 509) no Hoare annotation was computed. [2021-11-07 01:59:11,263 INFO L853 garLoopResultBuilder]: At program point L503-1(lines 503 509) 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 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-11-07 01:59:11,263 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:59:11,264 INFO L853 garLoopResultBuilder]: At program point L142(lines 137 145) 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)))) [2021-11-07 01:59:11,264 INFO L853 garLoopResultBuilder]: At program point L142-1(lines 137 145) the Hoare annotation is: false [2021-11-07 01:59:11,264 INFO L853 garLoopResultBuilder]: At program point L142-2(lines 137 145) the Hoare annotation is: false [2021-11-07 01:59:11,264 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 358) no Hoare annotation was computed. [2021-11-07 01:59:11,264 INFO L857 garLoopResultBuilder]: For program point L341-1(lines 341 358) no Hoare annotation was computed. [2021-11-07 01:59:11,265 INFO L857 garLoopResultBuilder]: For program point L341-2(lines 341 358) no Hoare annotation was computed. [2021-11-07 01:59:11,265 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,265 INFO L857 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,265 INFO L857 garLoopResultBuilder]: For program point L443-3(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,265 INFO L857 garLoopResultBuilder]: For program point L443-5(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,266 INFO L857 garLoopResultBuilder]: For program point L443-6(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,266 INFO L857 garLoopResultBuilder]: For program point L443-8(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,266 INFO L857 garLoopResultBuilder]: For program point L443-9(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,266 INFO L857 garLoopResultBuilder]: For program point L443-11(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,266 INFO L857 garLoopResultBuilder]: For program point L443-12(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,267 INFO L857 garLoopResultBuilder]: For program point L443-14(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,267 INFO L857 garLoopResultBuilder]: For program point L443-15(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,267 INFO L857 garLoopResultBuilder]: For program point L443-17(lines 443 447) no Hoare annotation was computed. [2021-11-07 01:59:11,267 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 353) no Hoare annotation was computed. [2021-11-07 01:59:11,268 INFO L857 garLoopResultBuilder]: For program point L345-1(lines 345 353) no Hoare annotation was computed. [2021-11-07 01:59:11,268 INFO L857 garLoopResultBuilder]: For program point L345-2(lines 345 353) no Hoare annotation was computed. [2021-11-07 01:59:11,268 INFO L853 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: false [2021-11-07 01:59:11,268 INFO L857 garLoopResultBuilder]: For program point L513(lines 513 524) no Hoare annotation was computed. [2021-11-07 01:59:11,268 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 332) no Hoare annotation was computed. [2021-11-07 01:59:11,269 INFO L857 garLoopResultBuilder]: For program point L315-1(lines 315 332) no Hoare annotation was computed. [2021-11-07 01:59:11,269 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 315 332) no Hoare annotation was computed. [2021-11-07 01:59:11,269 INFO L857 garLoopResultBuilder]: For program point L315-3(lines 315 332) no Hoare annotation was computed. [2021-11-07 01:59:11,269 INFO L857 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-11-07 01:59:11,269 INFO L857 garLoopResultBuilder]: For program point L315-4(lines 315 332) no Hoare annotation was computed. [2021-11-07 01:59:11,269 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:59:11,270 INFO L857 garLoopResultBuilder]: For program point L315-5(lines 315 332) no Hoare annotation was computed. [2021-11-07 01:59:11,270 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:59:11,270 INFO L857 garLoopResultBuilder]: For program point L150-2(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:59:11,270 INFO L857 garLoopResultBuilder]: For program point L150-3(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:59:11,270 INFO L857 garLoopResultBuilder]: For program point L150-4(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:59:11,271 INFO L857 garLoopResultBuilder]: For program point L150-5(lines 150 156) no Hoare annotation was computed. [2021-11-07 01:59:11,271 INFO L853 garLoopResultBuilder]: At program point L283(lines 282 301) 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|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse3) (and .cse0 .cse1 .cse3 .cse2))) [2021-11-07 01:59:11,271 INFO L857 garLoopResultBuilder]: For program point L283-1(lines 283 289) no Hoare annotation was computed. [2021-11-07 01:59:11,271 INFO L853 garLoopResultBuilder]: At program point L283-2(lines 282 301) the Hoare annotation is: false [2021-11-07 01:59:11,272 INFO L853 garLoopResultBuilder]: At program point L283-3(lines 282 301) the Hoare annotation is: false [2021-11-07 01:59:11,272 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 89) no Hoare annotation was computed. [2021-11-07 01:59:11,272 INFO L857 garLoopResultBuilder]: For program point L581(lines 581 594) no Hoare annotation was computed. [2021-11-07 01:59:11,272 INFO L853 garLoopResultBuilder]: At program point L581-1(lines 1 963) 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|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-11-07 01:59:11,272 INFO L857 garLoopResultBuilder]: For program point L581-2(lines 581 594) no Hoare annotation was computed. [2021-11-07 01:59:11,273 INFO L853 garLoopResultBuilder]: At program point L581-3(lines 1 963) the Hoare annotation is: false [2021-11-07 01:59:11,273 INFO L853 garLoopResultBuilder]: At program point L449(lines 434 452) the Hoare annotation is: false [2021-11-07 01:59:11,273 INFO L857 garLoopResultBuilder]: For program point L581-4(lines 581 594) no Hoare annotation was computed. [2021-11-07 01:59:11,273 INFO L853 garLoopResultBuilder]: At program point L449-1(lines 434 452) 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___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv1 32)) .cse2))) [2021-11-07 01:59:11,273 INFO L853 garLoopResultBuilder]: At program point L581-5(lines 1 963) the Hoare annotation is: false [2021-11-07 01:59:11,274 INFO L853 garLoopResultBuilder]: At program point L449-2(lines 434 452) the Hoare annotation is: false [2021-11-07 01:59:11,274 INFO L853 garLoopResultBuilder]: At program point L449-3(lines 434 452) the Hoare annotation is: false [2021-11-07 01:59:11,274 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:59:11,274 INFO L853 garLoopResultBuilder]: At program point L449-4(lines 434 452) the Hoare annotation is: false [2021-11-07 01:59:11,274 INFO L853 garLoopResultBuilder]: At program point L449-5(lines 434 452) the Hoare annotation is: false [2021-11-07 01:59:11,275 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2021-11-07 01:59:11,275 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 283 289) no Hoare annotation was computed. [2021-11-07 01:59:11,275 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-11-07 01:59:11,275 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-11-07 01:59:11,275 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-11-07 01:59:11,276 INFO L857 garLoopResultBuilder]: For program point L484(lines 483 528) no Hoare annotation was computed. [2021-11-07 01:59:11,276 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 327) no Hoare annotation was computed. [2021-11-07 01:59:11,276 INFO L857 garLoopResultBuilder]: For program point L319-1(lines 319 327) no Hoare annotation was computed. [2021-11-07 01:59:11,276 INFO L857 garLoopResultBuilder]: For program point L319-2(lines 319 327) no Hoare annotation was computed. [2021-11-07 01:59:11,276 INFO L857 garLoopResultBuilder]: For program point L319-3(lines 319 327) no Hoare annotation was computed. [2021-11-07 01:59:11,276 INFO L857 garLoopResultBuilder]: For program point L319-4(lines 319 327) no Hoare annotation was computed. [2021-11-07 01:59:11,277 INFO L857 garLoopResultBuilder]: For program point L319-5(lines 319 327) no Hoare annotation was computed. [2021-11-07 01:59:11,277 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 489) no Hoare annotation was computed. [2021-11-07 01:59:11,277 INFO L853 garLoopResultBuilder]: At program point L155(lines 146 159) the Hoare annotation is: false [2021-11-07 01:59:11,277 INFO L853 garLoopResultBuilder]: At program point L155-1(lines 146 159) 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))) [2021-11-07 01:59:11,277 INFO L853 garLoopResultBuilder]: At program point L155-2(lines 146 159) the Hoare annotation is: false [2021-11-07 01:59:11,278 INFO L853 garLoopResultBuilder]: At program point L155-3(lines 146 159) the Hoare annotation is: false [2021-11-07 01:59:11,278 INFO L853 garLoopResultBuilder]: At program point L155-4(lines 146 159) the Hoare annotation is: false [2021-11-07 01:59:11,278 INFO L853 garLoopResultBuilder]: At program point L155-5(lines 146 159) the Hoare annotation is: false [2021-11-07 01:59:11,278 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2021-11-07 01:59:11,278 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 523) no Hoare annotation was computed. [2021-11-07 01:59:11,279 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 591) no Hoare annotation was computed. [2021-11-07 01:59:11,279 INFO L857 garLoopResultBuilder]: For program point L519-2(lines 283 289) no Hoare annotation was computed. [2021-11-07 01:59:11,279 INFO L857 garLoopResultBuilder]: For program point L585-4(lines 585 591) no Hoare annotation was computed. [2021-11-07 01:59:11,279 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:59:11,279 INFO L853 garLoopResultBuilder]: At program point L290(lines 290 296) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 (_ bv1 32)) .cse3))) [2021-11-07 01:59:11,280 INFO L853 garLoopResultBuilder]: At program point L290-1(lines 290 296) the Hoare annotation is: false [2021-11-07 01:59:11,280 INFO L853 garLoopResultBuilder]: At program point L290-2(lines 290 296) the Hoare annotation is: false [2021-11-07 01:59:11,280 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 265) no Hoare annotation was computed. [2021-11-07 01:59:11,280 INFO L860 garLoopResultBuilder]: At program point L258-1(lines 258 265) the Hoare annotation is: true [2021-11-07 01:59:11,280 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:59:11,281 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 499) no Hoare annotation was computed. [2021-11-07 01:59:11,281 INFO L853 garLoopResultBuilder]: At program point L493-1(lines 493 499) 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 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-11-07 01:59:11,281 INFO L853 garLoopResultBuilder]: At program point L394(lines 389 397) the Hoare annotation is: false [2021-11-07 01:59:11,281 INFO L853 garLoopResultBuilder]: At program point L394-1(lines 389 397) the Hoare annotation is: false [2021-11-07 01:59:11,281 INFO L853 garLoopResultBuilder]: At program point L394-2(lines 389 397) the Hoare annotation is: false [2021-11-07 01:59:11,282 INFO L857 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2021-11-07 01:59:11,282 INFO L853 garLoopResultBuilder]: At program point L560(lines 1 963) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:59:11,282 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:59:11,282 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-11-07 01:59:11,282 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-11-07 01:59:11,283 INFO L857 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2021-11-07 01:59:11,283 INFO L857 garLoopResultBuilder]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2021-11-07 01:59:11,283 INFO L857 garLoopResultBuilder]: For program point L462-5(lines 462 466) no Hoare annotation was computed. [2021-11-07 01:59:11,283 INFO L857 garLoopResultBuilder]: For program point L462-6(lines 462 466) no Hoare annotation was computed. [2021-11-07 01:59:11,283 INFO L853 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:59:11,284 INFO L857 garLoopResultBuilder]: For program point L462-8(lines 462 466) no Hoare annotation was computed. [2021-11-07 01:59:11,284 INFO L853 garLoopResultBuilder]: At program point L165(lines 160 168) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6 (_ bv0 32))) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32))) [2021-11-07 01:59:11,284 INFO L853 garLoopResultBuilder]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2021-11-07 01:59:11,284 INFO L853 garLoopResultBuilder]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2021-11-07 01:59:11,284 INFO L853 garLoopResultBuilder]: At program point L529(lines 482 530) the Hoare annotation is: false [2021-11-07 01:59:11,288 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:11,290 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:59:11,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:59:11 BoogieIcfgContainer [2021-11-07 01:59:11,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:59:11,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:59:11,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:59:11,325 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:59:11,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:58:45" (3/4) ... [2021-11-07 01:59:11,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:59:11,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:59:11,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:59:11,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:59:11,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:59:11,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:59:11,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:59:11,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:59:11,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:59:11,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:59:11,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:59:11,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:59:11,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:59:11,393 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) [2021-11-07 01:59:11,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 [2021-11-07 01:59:11,396 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) [2021-11-07 01:59:11,397 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32 [2021-11-07 01:59:11,398 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) && tmp == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:59:11,471 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:59:11,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:59:11,474 INFO L168 Benchmark]: Toolchain (without parser) took 30590.50 ms. Allocated memory was 73.4 MB in the beginning and 125.8 MB in the end (delta: 52.4 MB). Free memory was 48.6 MB in the beginning and 97.8 MB in the end (delta: -49.2 MB). Peak memory consumption was 76.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:11,474 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:59:11,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.02 ms. Allocated memory is still 73.4 MB. Free memory was 48.3 MB in the beginning and 40.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:11,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.27 ms. Allocated memory is still 73.4 MB. Free memory was 40.3 MB in the beginning and 36.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:11,476 INFO L168 Benchmark]: Boogie Preprocessor took 151.04 ms. Allocated memory is still 73.4 MB. Free memory was 36.8 MB in the beginning and 54.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:11,476 INFO L168 Benchmark]: RCFGBuilder took 2942.72 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 77.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:11,477 INFO L168 Benchmark]: TraceAbstraction took 26312.76 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 76.9 MB in the beginning and 34.8 MB in the end (delta: 42.1 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:11,477 INFO L168 Benchmark]: Witness Printer took 147.24 ms. Allocated memory is still 125.8 MB. Free memory was 34.8 MB in the beginning and 97.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:11,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 50.3 MB. Free memory was 30.6 MB in the beginning and 30.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 890.02 ms. Allocated memory is still 73.4 MB. Free memory was 48.3 MB in the beginning and 40.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 137.27 ms. Allocated memory is still 73.4 MB. Free memory was 40.3 MB in the beginning and 36.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 151.04 ms. Allocated memory is still 73.4 MB. Free memory was 36.8 MB in the beginning and 54.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2942.72 ms. Allocated memory was 73.4 MB in the beginning and 104.9 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 77.6 MB in the end (delta: -23.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26312.76 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 76.9 MB in the beginning and 34.8 MB in the end (delta: 42.1 MB). Peak memory consumption was 75.9 MB. Max. memory is 16.1 GB. * Witness Printer took 147.24 ms. Allocated memory is still 125.8 MB. Free memory was 34.8 MB in the beginning and 97.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 26.2s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1236 SDtfs, 3488 SDslu, 3420 SDs, 0 SdLazy, 753 SolverSat, 170 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1306 GetRequests, 1170 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2083 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=10, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2348 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 101 NumberOfFragments, 444 HoareAnnotationTreeSize, 42 FomulaSimplifications, 630168 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 42 FomulaSimplificationsInter, 185200 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1214 ConstructedInterpolants, 0 QuantifiedInterpolants, 2629 SizeOfPredicates, 35 NumberOfNonLiveVariables, 3359 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 244/322 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: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 290]: 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 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && \result == 0bv32) && systemActive == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && tmp___0 == 1bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: 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: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 434]: 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) && tmp == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && waterLevel == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(tmp == 0bv32)) && systemActive == 1bv32) && !(waterLevel == 0bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && !(waterLevel == 0bv32)) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: 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: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:59:11,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61af0f66-15c7-41ec-af6f-6a162af9608f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE