./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:39,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:39,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:39,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:39,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:39,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:39,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:39,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:39,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:39,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:39,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:39,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:39,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:39,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:39,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:39,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:39,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:39,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:39,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:39,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:39,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:39,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:39,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:39,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:39,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:39,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:39,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:39,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:39,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:39,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:39,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:39,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:39,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:39,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:39,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:39,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:39,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:39,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:39,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:39,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:39,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:39,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:38:39,625 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:39,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:39,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:39,628 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:39,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:39,629 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:39,629 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:38:39,630 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:39,630 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:39,630 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:38:39,632 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:38:39,632 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:39,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:38:39,633 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:38:39,633 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:38:39,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:39,634 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:39,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:38:39,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:39,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:39,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:39,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:39,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:39,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:39,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:39,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:39,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:39,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:39,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:39,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:39,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:39,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:39,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:39,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:39,641 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:38:39,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:38:39,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:39,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:39,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:39,642 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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2021-11-07 01:38:40,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:40,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:40,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:40,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:40,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:40,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-11-07 01:38:40,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/17f179e55/9f29d2c1c64a47f1a1369feee11d7c5f/FLAG92863f61f [2021-11-07 01:38:40,775 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:40,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-11-07 01:38:40,792 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/17f179e55/9f29d2c1c64a47f1a1369feee11d7c5f/FLAG92863f61f [2021-11-07 01:38:41,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/17f179e55/9f29d2c1c64a47f1a1369feee11d7c5f [2021-11-07 01:38:41,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:41,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:41,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:41,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:41,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:41,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:41" (1/1) ... [2021-11-07 01:38:41,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672fc325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:41, skipping insertion in model container [2021-11-07 01:38:41,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:41" (1/1) ... [2021-11-07 01:38:41,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:41,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:41,456 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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-11-07 01:38:41,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:41,532 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:38:41,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4cdb9044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:41, skipping insertion in model container [2021-11-07 01:38:41,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:41,534 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:38:41,536 INFO L168 Benchmark]: Toolchain (without parser) took 454.85 ms. Allocated memory is still 90.2 MB. Free memory was 52.0 MB in the beginning and 63.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:41,537 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:41,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.38 ms. Allocated memory is still 90.2 MB. Free memory was 51.9 MB in the beginning and 63.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:41,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory is still 69.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 450.38 ms. Allocated memory is still 90.2 MB. Free memory was 51.9 MB in the beginning and 63.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 663]: 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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:44,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:44,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:44,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:44,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:44,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:44,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:44,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:44,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:44,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:44,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:44,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:44,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:44,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:44,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:44,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:44,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:44,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:44,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:44,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:44,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:44,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:44,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:44,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:44,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:44,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:44,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:44,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:44,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:44,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:44,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:44,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:44,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:44,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:44,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:44,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:44,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:44,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:44,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:44,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:44,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:44,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:38:44,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:44,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:44,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:44,303 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:44,303 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:44,303 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:44,303 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:44,304 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:44,304 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:44,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:44,305 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:44,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:44,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:44,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:44,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:44,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:44,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:44,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:38:44,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:38:44,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:44,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:44,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:44,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:44,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:44,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:38:44,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:44,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:44,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:44,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:44,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:44,309 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:38:44,310 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:44,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:44,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:44,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:44,310 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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2021-11-07 01:38:44,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:44,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:44,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:44,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:44,808 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:44,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-11-07 01:38:44,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/890eae0ab/ff245dbd278e486cbb689e7891f2b515/FLAGf07527ba5 [2021-11-07 01:38:45,607 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:45,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-11-07 01:38:45,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/890eae0ab/ff245dbd278e486cbb689e7891f2b515/FLAGf07527ba5 [2021-11-07 01:38:45,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/data/890eae0ab/ff245dbd278e486cbb689e7891f2b515 [2021-11-07 01:38:45,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:45,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:45,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:45,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:45,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:45,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:45" (1/1) ... [2021-11-07 01:38:45,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97d623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:45, skipping insertion in model container [2021-11-07 01:38:45,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:45" (1/1) ... [2021-11-07 01:38:45,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:46,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:46,313 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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-11-07 01:38:46,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:46,436 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:38:46,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:46,534 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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-11-07 01:38:46,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:46,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:38:46,656 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_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2021-11-07 01:38:46,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:46,724 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:38:46,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46 WrapperNode [2021-11-07 01:38:46,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:46,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:46,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:38:46,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:38:46,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:46,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:38:46,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:38:46,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:38:46,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:38:46,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:38:46,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:38:46,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:38:46,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (1/1) ... [2021-11-07 01:38:46,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:46,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:47,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:38:47,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:38:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:38:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:38:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:38:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:38:49,923 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:38:49,924 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-11-07 01:38:49,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:49 BoogieIcfgContainer [2021-11-07 01:38:49,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:38:49,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:38:49,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:38:49,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:38:49,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:38:45" (1/3) ... [2021-11-07 01:38:49,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@953b5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:49, skipping insertion in model container [2021-11-07 01:38:49,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:46" (2/3) ... [2021-11-07 01:38:49,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@953b5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:49, skipping insertion in model container [2021-11-07 01:38:49,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:49" (3/3) ... [2021-11-07 01:38:49,937 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2021-11-07 01:38:49,944 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:38:49,945 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:38:50,006 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:38:50,015 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:38:50,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:38:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:38:50,046 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:50,054 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:50,055 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:50,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:50,068 INFO L85 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-11-07 01:38:50,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:50,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49189022] [2021-11-07 01:38:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:50,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:50,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:50,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:50,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:38:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:50,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:38:50,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:50,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:50,546 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:50,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49189022] [2021-11-07 01:38:50,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49189022] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:50,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:50,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:38:50,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830842730] [2021-11-07 01:38:50,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:38:50,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:50,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:38:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:38:50,585 INFO L87 Difference]: Start difference. First operand has 137 states, 133 states have (on average 1.5338345864661653) internal successors, (204), 136 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:50,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:50,657 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-11-07 01:38:50,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:38:50,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:38:50,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:50,676 INFO L225 Difference]: With dead ends: 268 [2021-11-07 01:38:50,676 INFO L226 Difference]: Without dead ends: 133 [2021-11-07 01:38:50,681 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:38:50,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-11-07 01:38:50,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-11-07 01:38:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 1.476923076923077) internal successors, (192), 132 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-11-07 01:38:50,763 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-11-07 01:38:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:50,764 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-11-07 01:38:50,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-11-07 01:38:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:38:50,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:50,768 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:50,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:50,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:50,985 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:50,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:50,991 INFO L85 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-11-07 01:38:50,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:50,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451707216] [2021-11-07 01:38:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:50,993 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:50,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:50,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:50,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:38:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:51,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:51,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:51,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:51,418 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:51,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451707216] [2021-11-07 01:38:51,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451707216] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:51,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:51,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:38:51,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314119146] [2021-11-07 01:38:51,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:38:51,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:51,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:38:51,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:51,432 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:51,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:51,472 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-11-07 01:38:51,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:38:51,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:38:51,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:51,475 INFO L225 Difference]: With dead ends: 133 [2021-11-07 01:38:51,478 INFO L226 Difference]: Without dead ends: 55 [2021-11-07 01:38:51,479 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:51,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-11-07 01:38:51,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-11-07 01:38:51,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-11-07 01:38:51,490 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-11-07 01:38:51,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:51,492 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-11-07 01:38:51,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-11-07 01:38:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:38:51,494 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:51,498 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:51,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:51,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:51,700 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-11-07 01:38:51,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:51,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859359356] [2021-11-07 01:38:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:51,702 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:51,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:51,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:51,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:38:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:51,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:51,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:52,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:52,252 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:52,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859359356] [2021-11-07 01:38:52,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859359356] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:52,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:52,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:38:52,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914948432] [2021-11-07 01:38:52,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:38:52,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:52,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:38:52,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:52,258 INFO L87 Difference]: Start difference. First operand 55 states and 79 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 01:38:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:52,288 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-11-07 01:38:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:38:52,289 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 01:38:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:52,291 INFO L225 Difference]: With dead ends: 176 [2021-11-07 01:38:52,292 INFO L226 Difference]: Without dead ends: 127 [2021-11-07 01:38:52,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:52,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-11-07 01:38:52,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-11-07 01:38:52,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 73 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-11-07 01:38:52,326 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-11-07 01:38:52,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:52,326 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-11-07 01:38:52,327 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 01:38:52,327 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-11-07 01:38:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:38:52,330 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:52,330 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:52,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:52,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:52,545 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:52,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:52,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-11-07 01:38:52,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:52,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869879803] [2021-11-07 01:38:52,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:52,547 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:52,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:52,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:52,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:38:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:52,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:52,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:52,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:52,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:52,903 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:52,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869879803] [2021-11-07 01:38:52,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869879803] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:52,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:52,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:38:52,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284178901] [2021-11-07 01:38:52,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:38:52,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:52,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:38:52,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:38:52,907 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:52,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:52,981 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-11-07 01:38:52,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:38:52,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:38:52,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:52,983 INFO L225 Difference]: With dead ends: 163 [2021-11-07 01:38:52,984 INFO L226 Difference]: Without dead ends: 95 [2021-11-07 01:38:52,984 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:38:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-07 01:38:52,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-11-07 01:38:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.434782608695652) internal successors, (132), 92 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-11-07 01:38:52,997 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-11-07 01:38:52,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:52,998 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-11-07 01:38:52,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-11-07 01:38:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:38:53,000 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:53,000 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] [2021-11-07 01:38:53,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:53,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:53,219 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:53,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-11-07 01:38:53,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:53,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402796961] [2021-11-07 01:38:53,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:53,221 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:53,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:53,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:53,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:38:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:53,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:38:53,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:53,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:53,740 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:53,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402796961] [2021-11-07 01:38:53,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402796961] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:53,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:53,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:38:53,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081088885] [2021-11-07 01:38:53,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:38:53,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:53,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:38:53,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:38:53,743 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:54,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:54,163 INFO L93 Difference]: Finished difference Result 686 states and 999 transitions. [2021-11-07 01:38:54,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:38:54,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-07 01:38:54,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:54,168 INFO L225 Difference]: With dead ends: 686 [2021-11-07 01:38:54,169 INFO L226 Difference]: Without dead ends: 599 [2021-11-07 01:38:54,172 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:38:54,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-11-07 01:38:54,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 231. [2021-11-07 01:38:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.4) internal successors, (322), 230 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2021-11-07 01:38:54,240 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2021-11-07 01:38:54,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:54,241 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2021-11-07 01:38:54,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2021-11-07 01:38:54,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 01:38:54,244 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:54,244 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:54,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:54,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:54,459 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:54,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:54,459 INFO L85 PathProgramCache]: Analyzing trace with hash 768826487, now seen corresponding path program 1 times [2021-11-07 01:38:54,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:54,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357824277] [2021-11-07 01:38:54,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:54,460 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:54,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:54,462 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:54,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:38:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:54,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:38:54,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:54,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:55,141 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:55,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357824277] [2021-11-07 01:38:55,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357824277] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:38:55,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2017965915] [2021-11-07 01:38:55,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:55,142 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:55,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:38:55,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:38:55,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-07 01:38:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:55,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:38:55,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:38:55,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:38:55,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2017965915] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:55,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:38:55,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:38:55,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237140320] [2021-11-07 01:38:55,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:38:55,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:55,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:38:55,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:38:55,741 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:56,016 INFO L93 Difference]: Finished difference Result 555 states and 785 transitions. [2021-11-07 01:38:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:38:56,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 40 [2021-11-07 01:38:56,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:56,021 INFO L225 Difference]: With dead ends: 555 [2021-11-07 01:38:56,026 INFO L226 Difference]: Without dead ends: 553 [2021-11-07 01:38:56,027 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:38:56,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2021-11-07 01:38:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 231. [2021-11-07 01:38:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.391304347826087) internal successors, (320), 230 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 320 transitions. [2021-11-07 01:38:56,070 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 320 transitions. Word has length 40 [2021-11-07 01:38:56,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:56,071 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 320 transitions. [2021-11-07 01:38:56,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 320 transitions. [2021-11-07 01:38:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 01:38:56,091 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:56,092 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, 1] [2021-11-07 01:38:56,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:56,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-11-07 01:38:56,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:56,506 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:56,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:56,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1297400276, now seen corresponding path program 1 times [2021-11-07 01:38:56,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:56,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313407498] [2021-11-07 01:38:56,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:56,519 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:56,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:56,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:38:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:56,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:38:56,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:57,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:57,282 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:57,283 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:57,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313407498] [2021-11-07 01:38:57,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313407498] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:38:57,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1947612036] [2021-11-07 01:38:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:57,283 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:57,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:38:57,289 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:38:57,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-07 01:38:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:57,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:57,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:57,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:58,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1947612036] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:58,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:38:58,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3, 3] total 7 [2021-11-07 01:38:58,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585861990] [2021-11-07 01:38:58,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:38:58,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:58,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:38:58,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:38:58,036 INFO L87 Difference]: Start difference. First operand 231 states and 320 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 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 01:38:59,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:59,669 INFO L93 Difference]: Finished difference Result 462 states and 640 transitions. [2021-11-07 01:38:59,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:38:59,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 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 51 [2021-11-07 01:38:59,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:59,671 INFO L225 Difference]: With dead ends: 462 [2021-11-07 01:38:59,672 INFO L226 Difference]: Without dead ends: 173 [2021-11-07 01:38:59,673 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:38:59,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-07 01:38:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-07 01:38:59,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3546511627906976) internal successors, (233), 172 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 233 transitions. [2021-11-07 01:38:59,693 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 233 transitions. Word has length 51 [2021-11-07 01:38:59,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:59,694 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 233 transitions. [2021-11-07 01:38:59,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 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 01:38:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 233 transitions. [2021-11-07 01:38:59,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:38:59,696 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:59,696 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, 1, 1, 1, 1] [2021-11-07 01:38:59,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2021-11-07 01:38:59,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:00,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:00,099 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 01:39:00,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:00,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1169821653, now seen corresponding path program 1 times [2021-11-07 01:39:00,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:00,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217203166] [2021-11-07 01:39:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:00,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:00,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:00,102 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:00,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:39:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:00,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:39:00,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:00,596 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 01:39:00,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:00,754 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 01:39:00,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:00,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217203166] [2021-11-07 01:39:00,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217203166] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:00,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:00,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:39:00,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211184525] [2021-11-07 01:39:00,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:39:00,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:00,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:39:00,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:39:00,756 INFO L87 Difference]: Start difference. First operand 173 states and 233 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 01:39:00,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:00,886 INFO L93 Difference]: Finished difference Result 462 states and 615 transitions. [2021-11-07 01:39:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:39:00,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 01:39:00,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:00,889 INFO L225 Difference]: With dead ends: 462 [2021-11-07 01:39:00,890 INFO L226 Difference]: Without dead ends: 295 [2021-11-07 01:39:00,890 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 105 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 01:39:00,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-11-07 01:39:00,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2021-11-07 01:39:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.3262032085561497) internal successors, (248), 187 states have internal predecessors, (248), 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 01:39:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2021-11-07 01:39:00,915 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 54 [2021-11-07 01:39:00,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:00,916 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2021-11-07 01:39:00,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 01:39:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2021-11-07 01:39:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:39:00,917 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:00,917 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, 1, 1, 1, 1] [2021-11-07 01:39:00,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:01,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:01,132 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 01:39:01,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:01,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1074161645, now seen corresponding path program 1 times [2021-11-07 01:39:01,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:01,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787793769] [2021-11-07 01:39:01,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:01,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:01,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:01,134 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:01,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:39:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:01,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:39:01,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:01,593 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 01:39:01,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:01,752 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 01:39:01,752 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:01,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787793769] [2021-11-07 01:39:01,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787793769] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:01,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:01,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:39:01,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542335603] [2021-11-07 01:39:01,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:39:01,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:01,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:39:01,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:39:01,755 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 01:39:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:01,847 INFO L93 Difference]: Finished difference Result 426 states and 559 transitions. [2021-11-07 01:39:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:39:01,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-07 01:39:01,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:01,850 INFO L225 Difference]: With dead ends: 426 [2021-11-07 01:39:01,850 INFO L226 Difference]: Without dead ends: 244 [2021-11-07 01:39:01,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 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 01:39:01,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-11-07 01:39:01,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 158. [2021-11-07 01:39:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.2993630573248407) internal successors, (204), 157 states have internal predecessors, (204), 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 01:39:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 204 transitions. [2021-11-07 01:39:01,889 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 204 transitions. Word has length 54 [2021-11-07 01:39:01,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:01,889 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 204 transitions. [2021-11-07 01:39:01,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 01:39:01,890 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 204 transitions. [2021-11-07 01:39:01,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:39:01,891 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:01,891 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, 1, 1, 1] [2021-11-07 01:39:01,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:02,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:02,106 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 01:39:02,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:02,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2021-11-07 01:39:02,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:02,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668069221] [2021-11-07 01:39:02,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:02,108 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:02,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:02,109 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:02,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:39:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:02,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:39:02,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:02,736 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 01:39:02,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:03,017 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 01:39:03,017 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:03,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1668069221] [2021-11-07 01:39:03,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1668069221] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:39:03,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [939110025] [2021-11-07 01:39:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:03,018 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:39:03,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:39:03,019 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:39:03,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 01:39:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:03,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:39:03,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:03,792 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 01:39:03,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:04,065 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 01:39:04,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [939110025] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:39:04,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524099500] [2021-11-07 01:39:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:04,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:39:04,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:39:04,072 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:39:04,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:39:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:04,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:39:04,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:04,753 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 01:39:04,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:05,012 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 01:39:05,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524099500] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:39:05,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:39:05,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2021-11-07 01:39:05,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081582434] [2021-11-07 01:39:05,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:39:05,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:05,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:39:05,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:39:05,015 INFO L87 Difference]: Start difference. First operand 158 states and 204 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:09,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:09,605 INFO L93 Difference]: Finished difference Result 1916 states and 2527 transitions. [2021-11-07 01:39:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-11-07 01:39:09,606 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-07 01:39:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:09,621 INFO L225 Difference]: With dead ends: 1916 [2021-11-07 01:39:09,621 INFO L226 Difference]: Without dead ends: 1788 [2021-11-07 01:39:09,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2001 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1040, Invalid=4510, Unknown=0, NotChecked=0, Total=5550 [2021-11-07 01:39:09,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2021-11-07 01:39:09,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 283. [2021-11-07 01:39:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 282 states have (on average 1.3120567375886525) internal successors, (370), 282 states have internal predecessors, (370), 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 01:39:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 370 transitions. [2021-11-07 01:39:09,689 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 370 transitions. Word has length 55 [2021-11-07 01:39:09,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:09,690 INFO L470 AbstractCegarLoop]: Abstraction has 283 states and 370 transitions. [2021-11-07 01:39:09,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 11 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 370 transitions. [2021-11-07 01:39:09,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-07 01:39:09,691 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:09,692 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, 1, 1, 1] [2021-11-07 01:39:09,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:09,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-07 01:39:10,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:10,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:39:10,313 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 01:39:10,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:10,313 INFO L85 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2021-11-07 01:39:10,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:10,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747466920] [2021-11-07 01:39:10,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:10,314 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:10,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:10,315 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:10,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:39:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:10,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:39:10,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:11,000 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 01:39:11,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:11,232 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 01:39:11,232 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:11,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747466920] [2021-11-07 01:39:11,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747466920] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:11,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:11,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:39:11,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493691791] [2021-11-07 01:39:11,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:39:11,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:11,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:39:11,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:39:11,239 INFO L87 Difference]: Start difference. First operand 283 states and 370 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 01:39:11,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:11,341 INFO L93 Difference]: Finished difference Result 456 states and 585 transitions. [2021-11-07 01:39:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:39:11,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 76 [2021-11-07 01:39:11,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:11,344 INFO L225 Difference]: With dead ends: 456 [2021-11-07 01:39:11,344 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:39:11,345 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 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 01:39:11,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:39:11,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:39:11,346 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 01:39:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:39:11,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-11-07 01:39:11,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:11,347 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:39:11,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 01:39:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:39:11,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:39:11,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:39:11,354 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:39:11,355 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:39:11,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:11,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:11,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:39:11,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:11,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:11,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:11,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:11,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:12,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:13,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:20,440 INFO L857 garLoopResultBuilder]: For program point L299-10(lines 299 305) no Hoare annotation was computed. [2021-11-07 01:39:20,440 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-11-07 01:39:20,441 INFO L857 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2021-11-07 01:39:20,441 INFO L857 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2021-11-07 01:39:20,441 INFO L857 garLoopResultBuilder]: For program point L630-2(line 630) no Hoare annotation was computed. [2021-11-07 01:39:20,441 INFO L853 garLoopResultBuilder]: At program point L333(lines 328 336) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:20,441 INFO L853 garLoopResultBuilder]: At program point L333-1(lines 328 336) the Hoare annotation is: false [2021-11-07 01:39:20,441 INFO L853 garLoopResultBuilder]: At program point L333-2(lines 328 336) the Hoare annotation is: false [2021-11-07 01:39:20,441 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2021-11-07 01:39:20,442 INFO L853 garLoopResultBuilder]: At program point L168-1(lines 204 210) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse5 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))))))) [2021-11-07 01:39:20,442 INFO L853 garLoopResultBuilder]: At program point L598(lines 593 601) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not .cse2)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1) (and .cse0 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 (= (_ bv1 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3)))) [2021-11-07 01:39:20,442 INFO L853 garLoopResultBuilder]: At program point L598-1(lines 593 601) the Hoare annotation is: false [2021-11-07 01:39:20,442 INFO L853 garLoopResultBuilder]: At program point L598-2(lines 593 601) the Hoare annotation is: false [2021-11-07 01:39:20,442 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2021-11-07 01:39:20,443 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 109) no Hoare annotation was computed. [2021-11-07 01:39:20,443 INFO L857 garLoopResultBuilder]: For program point L103-4(lines 103 109) no Hoare annotation was computed. [2021-11-07 01:39:20,443 INFO L853 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: false [2021-11-07 01:39:20,444 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 561 569) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:20,444 INFO L853 garLoopResultBuilder]: At program point L566-2(lines 561 569) the Hoare annotation is: false [2021-11-07 01:39:20,444 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 561 569) the Hoare annotation is: false [2021-11-07 01:39:20,445 INFO L853 garLoopResultBuilder]: At program point L566-4(lines 561 569) the Hoare annotation is: false [2021-11-07 01:39:20,445 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-11-07 01:39:20,445 INFO L853 garLoopResultBuilder]: At program point L566-5(lines 561 569) the Hoare annotation is: false [2021-11-07 01:39:20,445 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 405) no Hoare annotation was computed. [2021-11-07 01:39:20,446 INFO L857 garLoopResultBuilder]: For program point L401-3(lines 401 405) no Hoare annotation was computed. [2021-11-07 01:39:20,446 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 253) no Hoare annotation was computed. [2021-11-07 01:39:20,446 INFO L857 garLoopResultBuilder]: For program point L401-5(lines 401 405) no Hoare annotation was computed. [2021-11-07 01:39:20,446 INFO L857 garLoopResultBuilder]: For program point L236-1(lines 236 253) no Hoare annotation was computed. [2021-11-07 01:39:20,446 INFO L857 garLoopResultBuilder]: For program point L401-6(lines 401 405) no Hoare annotation was computed. [2021-11-07 01:39:20,447 INFO L857 garLoopResultBuilder]: For program point L236-2(lines 236 253) no Hoare annotation was computed. [2021-11-07 01:39:20,447 INFO L857 garLoopResultBuilder]: For program point L236-3(lines 236 253) no Hoare annotation was computed. [2021-11-07 01:39:20,447 INFO L857 garLoopResultBuilder]: For program point L401-8(lines 401 405) no Hoare annotation was computed. [2021-11-07 01:39:20,447 INFO L857 garLoopResultBuilder]: For program point L236-4(lines 236 253) no Hoare annotation was computed. [2021-11-07 01:39:20,447 INFO L857 garLoopResultBuilder]: For program point L236-5(lines 236 253) no Hoare annotation was computed. [2021-11-07 01:39:20,448 INFO L853 garLoopResultBuilder]: At program point L204(lines 203 222) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (not .cse4)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32)))) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3)))) [2021-11-07 01:39:20,448 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 210) no Hoare annotation was computed. [2021-11-07 01:39:20,448 INFO L853 garLoopResultBuilder]: At program point L204-2(lines 203 222) the Hoare annotation is: false [2021-11-07 01:39:20,448 INFO L853 garLoopResultBuilder]: At program point L204-3(lines 203 222) the Hoare annotation is: false [2021-11-07 01:39:20,449 INFO L853 garLoopResultBuilder]: At program point L438-2(lines 438 452) the Hoare annotation is: false [2021-11-07 01:39:20,449 INFO L857 garLoopResultBuilder]: For program point L240(lines 240 248) no Hoare annotation was computed. [2021-11-07 01:39:20,449 INFO L857 garLoopResultBuilder]: For program point L240-1(lines 240 248) no Hoare annotation was computed. [2021-11-07 01:39:20,449 INFO L857 garLoopResultBuilder]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2021-11-07 01:39:20,449 INFO L857 garLoopResultBuilder]: For program point L240-3(lines 240 248) no Hoare annotation was computed. [2021-11-07 01:39:20,450 INFO L857 garLoopResultBuilder]: For program point L240-4(lines 240 248) no Hoare annotation was computed. [2021-11-07 01:39:20,450 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 999) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:20,450 INFO L857 garLoopResultBuilder]: For program point L240-5(lines 240 248) no Hoare annotation was computed. [2021-11-07 01:39:20,450 INFO L857 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2021-11-07 01:39:20,450 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-11-07 01:39:20,451 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-11-07 01:39:20,451 INFO L853 garLoopResultBuilder]: At program point L142-1(lines 142 148) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse5 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))))))) [2021-11-07 01:39:20,451 INFO L853 garLoopResultBuilder]: At program point L407(lines 392 410) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 (_ bv0 32)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32)))) [2021-11-07 01:39:20,451 INFO L853 garLoopResultBuilder]: At program point L407-1(lines 392 410) the Hoare annotation is: false [2021-11-07 01:39:20,452 INFO L853 garLoopResultBuilder]: At program point L407-2(lines 392 410) the Hoare annotation is: false [2021-11-07 01:39:20,452 INFO L857 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2021-11-07 01:39:20,452 INFO L857 garLoopResultBuilder]: For program point L606-1(lines 606 612) no Hoare annotation was computed. [2021-11-07 01:39:20,452 INFO L857 garLoopResultBuilder]: For program point L606-2(lines 606 612) no Hoare annotation was computed. [2021-11-07 01:39:20,452 INFO L857 garLoopResultBuilder]: For program point L606-3(lines 606 612) no Hoare annotation was computed. [2021-11-07 01:39:20,453 INFO L857 garLoopResultBuilder]: For program point L606-4(lines 606 612) no Hoare annotation was computed. [2021-11-07 01:39:20,453 INFO L857 garLoopResultBuilder]: For program point L606-5(lines 606 612) no Hoare annotation was computed. [2021-11-07 01:39:20,453 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed. [2021-11-07 01:39:20,453 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-11-07 01:39:20,453 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 204 210) no Hoare annotation was computed. [2021-11-07 01:39:20,454 INFO L853 garLoopResultBuilder]: At program point L211(lines 211 217) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not .cse4)) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv1 32)) .cse1 .cse2 .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2) (and .cse0 .cse4 .cse3) (and .cse0 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 .cse2 .cse3 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))))))) [2021-11-07 01:39:20,454 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 211 217) the Hoare annotation is: false [2021-11-07 01:39:20,454 INFO L853 garLoopResultBuilder]: At program point L211-2(lines 211 217) the Hoare annotation is: false [2021-11-07 01:39:20,454 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2021-11-07 01:39:20,454 INFO L860 garLoopResultBuilder]: At program point L509-1(lines 509 516) the Hoare annotation is: true [2021-11-07 01:39:20,455 INFO L853 garLoopResultBuilder]: At program point L180(lines 131 181) the Hoare annotation is: false [2021-11-07 01:39:20,455 INFO L853 garLoopResultBuilder]: At program point L611(lines 602 615) the Hoare annotation is: false [2021-11-07 01:39:20,455 INFO L853 garLoopResultBuilder]: At program point L611-1(lines 602 615) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2))) [2021-11-07 01:39:20,455 INFO L853 garLoopResultBuilder]: At program point L611-2(lines 602 615) the Hoare annotation is: false [2021-11-07 01:39:20,455 INFO L853 garLoopResultBuilder]: At program point L611-3(lines 602 615) the Hoare annotation is: false [2021-11-07 01:39:20,456 INFO L853 garLoopResultBuilder]: At program point L611-4(lines 602 615) the Hoare annotation is: false [2021-11-07 01:39:20,456 INFO L853 garLoopResultBuilder]: At program point L611-5(lines 602 615) the Hoare annotation is: false [2021-11-07 01:39:20,456 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:20,456 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2021-11-07 01:39:20,457 INFO L853 garLoopResultBuilder]: At program point L415-1(lines 415 421) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:20,457 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,457 INFO L857 garLoopResultBuilder]: For program point L382-2(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,457 INFO L857 garLoopResultBuilder]: For program point L382-3(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,457 INFO L857 garLoopResultBuilder]: For program point L382-5(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,457 INFO L857 garLoopResultBuilder]: For program point L382-6(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,458 INFO L857 garLoopResultBuilder]: For program point L382-8(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,458 INFO L857 garLoopResultBuilder]: For program point L382-9(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,458 INFO L857 garLoopResultBuilder]: For program point L382-11(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,458 INFO L857 garLoopResultBuilder]: For program point L382-12(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,458 INFO L857 garLoopResultBuilder]: For program point L382-14(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,459 INFO L857 garLoopResultBuilder]: For program point L382-15(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,459 INFO L857 garLoopResultBuilder]: For program point L382-17(lines 382 386) no Hoare annotation was computed. [2021-11-07 01:39:20,459 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:39:20,459 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 158) no Hoare annotation was computed. [2021-11-07 01:39:20,459 INFO L853 garLoopResultBuilder]: At program point L152-1(lines 152 158) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (not (= ~waterLevel~0 (_ bv0 32)))) (.cse1 (not .cse3))) (or (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse4 (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse5 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32))))))) [2021-11-07 01:39:20,460 INFO L860 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2021-11-07 01:39:20,460 INFO L853 garLoopResultBuilder]: At program point L486(lines 482 488) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:20,460 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2021-11-07 01:39:20,460 INFO L853 garLoopResultBuilder]: At program point L388(lines 373 391) the Hoare annotation is: false [2021-11-07 01:39:20,461 INFO L853 garLoopResultBuilder]: At program point L388-1(lines 373 391) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 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~5 (_ bv1 32)) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse2))) [2021-11-07 01:39:20,461 INFO L853 garLoopResultBuilder]: At program point L388-2(lines 373 391) the Hoare annotation is: false [2021-11-07 01:39:20,461 INFO L853 garLoopResultBuilder]: At program point L388-3(lines 373 391) the Hoare annotation is: false [2021-11-07 01:39:20,461 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:39:20,461 INFO L853 garLoopResultBuilder]: At program point L388-4(lines 373 391) the Hoare annotation is: false [2021-11-07 01:39:20,462 INFO L853 garLoopResultBuilder]: At program point L388-5(lines 373 391) the Hoare annotation is: false [2021-11-07 01:39:20,462 INFO L853 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32)))) [2021-11-07 01:39:20,462 INFO L853 garLoopResultBuilder]: At program point L621-1(lines 616 624) the Hoare annotation is: false [2021-11-07 01:39:20,462 INFO L853 garLoopResultBuilder]: At program point L621-2(lines 616 624) the Hoare annotation is: false [2021-11-07 01:39:20,462 INFO L853 garLoopResultBuilder]: At program point L324(lines 317 327) the Hoare annotation is: false [2021-11-07 01:39:20,463 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 317 327) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:39:20,463 INFO L853 garLoopResultBuilder]: At program point L324-2(lines 317 327) the Hoare annotation is: false [2021-11-07 01:39:20,463 INFO L853 garLoopResultBuilder]: At program point L324-3(lines 317 327) the Hoare annotation is: false [2021-11-07 01:39:20,463 INFO L853 garLoopResultBuilder]: At program point L324-4(lines 317 327) the Hoare annotation is: false [2021-11-07 01:39:20,463 INFO L853 garLoopResultBuilder]: At program point L324-5(lines 317 327) the Hoare annotation is: false [2021-11-07 01:39:20,464 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:39:20,464 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 175) no Hoare annotation was computed. [2021-11-07 01:39:20,464 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2021-11-07 01:39:20,464 INFO L857 garLoopResultBuilder]: For program point L262-1(lines 262 279) no Hoare annotation was computed. [2021-11-07 01:39:20,464 INFO L857 garLoopResultBuilder]: For program point L262-2(lines 262 279) no Hoare annotation was computed. [2021-11-07 01:39:20,465 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:39:20,465 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2021-11-07 01:39:20,465 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2021-11-07 01:39:20,465 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 1 999) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse1 (not .cse3)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) (not (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0 (_ bv0 32)))) (and .cse0 (= ~waterLevel~0 (_ bv1 32)) .cse1 .cse2) (and .cse0 .cse3 .cse2)))) [2021-11-07 01:39:20,465 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 112) no Hoare annotation was computed. [2021-11-07 01:39:20,466 INFO L853 garLoopResultBuilder]: At program point L99-3(lines 1 999) the Hoare annotation is: false [2021-11-07 01:39:20,466 INFO L857 garLoopResultBuilder]: For program point L99-4(lines 99 112) no Hoare annotation was computed. [2021-11-07 01:39:20,466 INFO L853 garLoopResultBuilder]: At program point L99-5(lines 1 999) the Hoare annotation is: false [2021-11-07 01:39:20,466 INFO L857 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-11-07 01:39:20,466 INFO L857 garLoopResultBuilder]: For program point L529-3(lines 529 533) no Hoare annotation was computed. [2021-11-07 01:39:20,467 INFO L857 garLoopResultBuilder]: For program point L529-6(lines 529 533) no Hoare annotation was computed. [2021-11-07 01:39:20,467 INFO L857 garLoopResultBuilder]: For program point L133(lines 132 179) no Hoare annotation was computed. [2021-11-07 01:39:20,467 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2021-11-07 01:39:20,467 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2021-11-07 01:39:20,467 INFO L857 garLoopResultBuilder]: For program point L299-2(lines 299 305) no Hoare annotation was computed. [2021-11-07 01:39:20,468 INFO L857 garLoopResultBuilder]: For program point L266-1(lines 266 274) no Hoare annotation was computed. [2021-11-07 01:39:20,468 INFO L857 garLoopResultBuilder]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2021-11-07 01:39:20,468 INFO L857 garLoopResultBuilder]: For program point L299-4(lines 299 305) no Hoare annotation was computed. [2021-11-07 01:39:20,468 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-11-07 01:39:20,468 INFO L857 garLoopResultBuilder]: For program point L299-6(lines 299 305) no Hoare annotation was computed. [2021-11-07 01:39:20,468 INFO L857 garLoopResultBuilder]: For program point L299-8(lines 299 305) no Hoare annotation was computed. [2021-11-07 01:39:20,472 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:20,474 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:39:20,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:39:20 BoogieIcfgContainer [2021-11-07 01:39:20,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:39:20,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:39:20,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:39:20,516 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:39:20,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:49" (3/4) ... [2021-11-07 01:39:20,521 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:39:20,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:39:20,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:39:20,551 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:39:20,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:39:20,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:39:20,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:39:20,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:39:20,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:39:20,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) [2021-11-07 01:39:20,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) [2021-11-07 01:39:20,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) [2021-11-07 01:39:20,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:39:20,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) [2021-11-07 01:39:20,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) [2021-11-07 01:39:20,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-11-07 01:39:20,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-11-07 01:39:20,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning [2021-11-07 01:39:20,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) [2021-11-07 01:39:20,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:39:20,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:39:20,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:39:20,674 INFO L168 Benchmark]: Toolchain (without parser) took 34756.59 ms. Allocated memory was 86.0 MB in the beginning and 136.3 MB in the end (delta: 50.3 MB). Free memory was 69.9 MB in the beginning and 50.5 MB in the end (delta: 19.4 MB). Peak memory consumption was 68.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:20,675 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:39:20,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.04 ms. Allocated memory is still 86.0 MB. Free memory was 69.7 MB in the beginning and 53.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:20,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.11 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 49.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:20,676 INFO L168 Benchmark]: Boogie Preprocessor took 112.70 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 46.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:20,677 INFO L168 Benchmark]: RCFGBuilder took 2954.57 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 46.7 MB in the beginning and 72.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:20,677 INFO L168 Benchmark]: TraceAbstraction took 30586.23 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 71.5 MB in the beginning and 62.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:20,678 INFO L168 Benchmark]: Witness Printer took 156.68 ms. Allocated memory is still 136.3 MB. Free memory was 62.1 MB in the beginning and 50.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:20,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 67.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 792.04 ms. Allocated memory is still 86.0 MB. Free memory was 69.7 MB in the beginning and 53.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.11 ms. Allocated memory is still 86.0 MB. Free memory was 53.5 MB in the beginning and 49.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.70 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 46.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2954.57 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 46.7 MB in the beginning and 72.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30586.23 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 71.5 MB in the beginning and 62.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. * Witness Printer took 156.68 ms. Allocated memory is still 136.3 MB. Free memory was 62.1 MB in the beginning and 50.5 MB in the end (delta: 11.5 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: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 630]: 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, 137 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 30.4s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1384 SDtfs, 3539 SDslu, 3921 SDs, 0 SdLazy, 789 SolverSat, 161 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1328 GetRequests, 1202 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2046 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=10, InterpolantAutomatonStates: 124, 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, 2443 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 155 NumberOfFragments, 649 HoareAnnotationTreeSize, 56 FomulaSimplifications, 106837 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 340738 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1240 ConstructedInterpolants, 0 QuantifiedInterpolants, 2595 SizeOfPredicates, 26 NumberOfNonLiveVariables, 3372 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 30 InterpolantComputations, 20 PerfectInterpolantSequences, 282/350 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: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && tmp == 0bv32) && \result == 0bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32))) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && !(tmp == 0bv32)) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && tmp == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(systemActive == 0bv32)) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == pumpRunning) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((splverifierCounter == 0bv32 && systemActive == 0bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(0bv32 == \result)) && !(waterLevel == 0bv32)) && !(systemActive == 0bv32)) && !(tmp == 0bv32)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && !(0bv32 == \result)) && \result == 0bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && !(tmp == 0bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && waterLevel == 2bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-11-07 01:39:20,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b483b2a-11d1-4b27-9fb3-1619d674e1e6/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