./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.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_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/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_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/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_0c72f3aa-a394-4f54-8723-b5128b7c7284/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 d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:15:22,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:15:22,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:15:22,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:15:22,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:15:22,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:15:22,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:15:22,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:15:22,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:15:22,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:15:22,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:15:22,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:15:22,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:15:22,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:15:22,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:15:22,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:15:22,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:15:22,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:15:22,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:15:22,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:15:22,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:15:22,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:15:22,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:15:22,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:15:22,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:15:22,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:15:22,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:15:22,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:15:22,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:15:22,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:15:22,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:15:22,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:15:22,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:15:22,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:15:22,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:15:22,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:15:22,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:15:22,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:15:22,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:15:22,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:15:22,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:15:22,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:15:22,565 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:15:22,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:15:22,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:15:22,566 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:15:22,567 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:15:22,567 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:15:22,567 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:15:22,567 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:15:22,568 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:15:22,568 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:15:22,568 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:15:22,568 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:15:22,569 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:15:22,569 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:15:22,569 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:15:22,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:15:22,570 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:15:22,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:15:22,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:15:22,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:15:22,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:15:22,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:15:22,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:15:22,572 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:15:22,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:15:22,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:15:22,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:15:22,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:15:22,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:15:22,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:15:22,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:15:22,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:15:22,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:15:22,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:15:22,574 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:15:22,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:15:22,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:15:22,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:15:22,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:15:22,575 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_0c72f3aa-a394-4f54-8723-b5128b7c7284/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a [2021-11-07 01:15:22,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:15:22,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:15:22,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:15:22,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:15:22,840 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:15:22,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-11-07 01:15:22,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/09597bab4/8bf3f87c704f4d8ca667285f222c6922/FLAG082452dd1 [2021-11-07 01:15:23,476 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:15:23,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-11-07 01:15:23,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/09597bab4/8bf3f87c704f4d8ca667285f222c6922/FLAG082452dd1 [2021-11-07 01:15:23,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/09597bab4/8bf3f87c704f4d8ca667285f222c6922 [2021-11-07 01:15:23,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:15:23,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:15:23,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:23,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:15:23,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:15:23,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:23" (1/1) ... [2021-11-07 01:15:23,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c08bf66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:23, skipping insertion in model container [2021-11-07 01:15:23,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:23" (1/1) ... [2021-11-07 01:15:23,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:15:23,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:15:24,148 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_0c72f3aa-a394-4f54-8723-b5128b7c7284/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2021-11-07 01:15:24,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:24,163 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 01:15:24,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@708d24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:24, skipping insertion in model container [2021-11-07 01:15:24,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:24,164 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:15:24,166 INFO L168 Benchmark]: Toolchain (without parser) took 375.30 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 79.2 MB in the beginning and 109.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:24,167 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:15:24,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.62 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 79.2 MB in the beginning and 109.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:24,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 111.1 MB. Free memory is still 65.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.62 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 79.2 MB in the beginning and 109.7 MB in the end (delta: -30.5 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: 145]: 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_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/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_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/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_0c72f3aa-a394-4f54-8723-b5128b7c7284/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 d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:15:26,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:15:26,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:15:26,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:15:26,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:15:26,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:15:26,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:15:26,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:15:26,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:15:26,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:15:26,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:15:26,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:15:26,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:15:26,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:15:26,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:15:26,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:15:26,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:15:26,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:15:26,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:15:26,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:15:26,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:15:26,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:15:26,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:15:26,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:15:26,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:15:26,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:15:26,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:15:26,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:15:26,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:15:26,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:15:26,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:15:26,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:15:26,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:15:26,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:15:26,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:15:26,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:15:26,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:15:26,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:15:26,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:15:26,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:15:26,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:15:26,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:15:26,636 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:15:26,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:15:26,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:15:26,638 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:15:26,639 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:15:26,639 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:15:26,639 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:15:26,639 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:15:26,640 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:15:26,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:15:26,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:15:26,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:15:26,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:15:26,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:15:26,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:15:26,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:15:26,644 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:15:26,644 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:15:26,644 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:15:26,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:15:26,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:15:26,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:15:26,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:15:26,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:15:26,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:15:26,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:15:26,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:15:26,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:15:26,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:15:26,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:15:26,647 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:15:26,647 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:15:26,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:15:26,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:15:26,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:15:26,648 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_0c72f3aa-a394-4f54-8723-b5128b7c7284/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a [2021-11-07 01:15:26,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:15:27,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:15:27,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:15:27,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:15:27,020 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:15:27,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-11-07 01:15:27,096 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/24075e557/3087f17655554873bbba65b4a37ffa66/FLAG6c2e10cd3 [2021-11-07 01:15:27,746 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:15:27,747 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2021-11-07 01:15:27,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/24075e557/3087f17655554873bbba65b4a37ffa66/FLAG6c2e10cd3 [2021-11-07 01:15:28,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/data/24075e557/3087f17655554873bbba65b4a37ffa66 [2021-11-07 01:15:28,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:15:28,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:15:28,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:28,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:15:28,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:15:28,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43aba4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28, skipping insertion in model container [2021-11-07 01:15:28,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:15:28,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:15:28,480 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_0c72f3aa-a394-4f54-8723-b5128b7c7284/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2021-11-07 01:15:28,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:28,506 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:15:28,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:15:28,628 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_0c72f3aa-a394-4f54-8723-b5128b7c7284/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2021-11-07 01:15:28,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:28,644 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:15:28,740 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_0c72f3aa-a394-4f54-8723-b5128b7c7284/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2021-11-07 01:15:28,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:15:28,761 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:15:28,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28 WrapperNode [2021-11-07 01:15:28,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:15:28,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:15:28,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:15:28,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:15:28,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:15:28,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:15:28,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:15:28,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:15:28,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:15:28,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:15:28,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:15:28,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:15:28,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (1/1) ... [2021-11-07 01:15:28,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:15:28,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:15:29,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:15:29,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:15:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:15:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:15:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:15:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:15:31,387 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:15:31,387 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2021-11-07 01:15:31,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:15:31 BoogieIcfgContainer [2021-11-07 01:15:31,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:15:31,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:15:31,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:15:31,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:15:31,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:15:28" (1/3) ... [2021-11-07 01:15:31,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e27720c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:15:31, skipping insertion in model container [2021-11-07 01:15:31,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:15:28" (2/3) ... [2021-11-07 01:15:31,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e27720c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:15:31, skipping insertion in model container [2021-11-07 01:15:31,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:15:31" (3/3) ... [2021-11-07 01:15:31,398 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2021-11-07 01:15:31,403 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:15:31,404 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:15:31,452 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:15:31,458 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 01:15:31,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:15:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 01:15:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:15:31,482 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:31,482 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:31,483 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 01:15:31,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:31,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2021-11-07 01:15:31,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:31,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538775583] [2021-11-07 01:15:31,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:31,505 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:31,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:31,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:31,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:15:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:31,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:15:31,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:31,858 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 01:15:31,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:31,911 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 01:15:31,929 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:31,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538775583] [2021-11-07 01:15:31,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538775583] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:31,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:31,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:15:31,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789591586] [2021-11-07 01:15:31,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:15:31,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:31,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:15:31,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:15:31,967 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 01:15:32,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:32,032 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-11-07 01:15:32,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:15:32,034 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 01:15:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:32,048 INFO L225 Difference]: With dead ends: 264 [2021-11-07 01:15:32,048 INFO L226 Difference]: Without dead ends: 131 [2021-11-07 01:15:32,075 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 01:15:32,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-07 01:15:32,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-11-07 01:15:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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 01:15:32,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-11-07 01:15:32,156 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-11-07 01:15:32,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:32,157 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-11-07 01:15:32,157 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 01:15:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-11-07 01:15:32,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:15:32,162 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:32,162 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 01:15:32,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:32,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:32,374 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 01:15:32,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:32,375 INFO L85 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2021-11-07 01:15:32,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:32,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157720672] [2021-11-07 01:15:32,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:32,376 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:32,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:32,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:32,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:15:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:32,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:32,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:32,623 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 01:15:32,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:32,673 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 01:15:32,674 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:32,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157720672] [2021-11-07 01:15:32,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157720672] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:32,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:32,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:15:32,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264522540] [2021-11-07 01:15:32,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:15:32,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:32,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:15:32,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:15:32,678 INFO L87 Difference]: Start difference. First operand 131 states and 189 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 01:15:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:32,696 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-11-07 01:15:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:32,697 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 01:15:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:32,698 INFO L225 Difference]: With dead ends: 131 [2021-11-07 01:15:32,698 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:15:32,699 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 01:15:32,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:15:32,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 01:15:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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 01:15:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-11-07 01:15:32,707 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-11-07 01:15:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:32,708 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-11-07 01:15:32,708 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 01:15:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-11-07 01:15:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:15:32,709 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:32,709 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 01:15:32,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:32,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:32,928 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 01:15:32,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:32,928 INFO L85 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2021-11-07 01:15:32,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:32,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468796368] [2021-11-07 01:15:32,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:32,930 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:32,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:32,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:32,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:15:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:33,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:33,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:33,246 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 01:15:33,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:33,372 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 01:15:33,373 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:33,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468796368] [2021-11-07 01:15:33,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468796368] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:33,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:33,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:15:33,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445368062] [2021-11-07 01:15:33,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:15:33,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:33,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:15:33,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:15:33,383 INFO L87 Difference]: Start difference. First operand 53 states and 76 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 01:15:33,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:33,412 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-11-07 01:15:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:33,413 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 01:15:33,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:33,414 INFO L225 Difference]: With dead ends: 100 [2021-11-07 01:15:33,415 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:15:33,416 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 01:15:33,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:15:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-11-07 01:15:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-11-07 01:15:33,436 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-11-07 01:15:33,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:33,437 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-11-07 01:15:33,437 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 01:15:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-11-07 01:15:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:15:33,440 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:33,440 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 01:15:33,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:33,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:33,653 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 01:15:33,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:33,653 INFO L85 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2021-11-07 01:15:33,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:33,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1110467633] [2021-11-07 01:15:33,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:33,654 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:33,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:33,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:33,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:15:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:33,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:33,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:33,911 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 01:15:33,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:33,974 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 01:15:33,975 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:33,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1110467633] [2021-11-07 01:15:33,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1110467633] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:33,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:33,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:15:33,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520473448] [2021-11-07 01:15:33,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:15:33,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:33,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:15:33,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:15:33,978 INFO L87 Difference]: Start difference. First operand 53 states and 75 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 01:15:34,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:34,029 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-11-07 01:15:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:15:34,030 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 01:15:34,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:34,031 INFO L225 Difference]: With dead ends: 121 [2021-11-07 01:15:34,031 INFO L226 Difference]: Without dead ends: 74 [2021-11-07 01:15:34,032 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 01:15:34,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-11-07 01:15:34,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-11-07 01:15:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 71 states have internal predecessors, (101), 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 01:15:34,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-11-07 01:15:34,041 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-11-07 01:15:34,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:34,042 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-11-07 01:15:34,042 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 01:15:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-11-07 01:15:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:15:34,043 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:34,044 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:34,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:34,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:34,256 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 01:15:34,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:34,256 INFO L85 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2021-11-07 01:15:34,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:34,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [29022526] [2021-11-07 01:15:34,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:34,258 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:34,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:34,259 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:34,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:15:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:34,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:15:34,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:34,622 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 01:15:34,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:34,741 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 01:15:34,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:34,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [29022526] [2021-11-07 01:15:34,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [29022526] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:34,742 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:34,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 01:15:34,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215181360] [2021-11-07 01:15:34,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:15:34,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:34,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:15:34,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:15:34,744 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:34,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:34,879 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2021-11-07 01:15:34,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:15:34,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-07 01:15:34,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:34,883 INFO L225 Difference]: With dead ends: 372 [2021-11-07 01:15:34,883 INFO L226 Difference]: Without dead ends: 306 [2021-11-07 01:15:34,884 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:15:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-11-07 01:15:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2021-11-07 01:15:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4122137404580153) internal successors, (185), 131 states have internal predecessors, (185), 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 01:15:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2021-11-07 01:15:34,905 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2021-11-07 01:15:34,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:34,906 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2021-11-07 01:15:34,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2021-11-07 01:15:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 01:15:34,907 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:34,908 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:34,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:35,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:35,120 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 01:15:35,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:35,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1286960866, now seen corresponding path program 1 times [2021-11-07 01:15:35,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:35,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789717814] [2021-11-07 01:15:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:35,121 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:35,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:35,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:35,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:15:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:35,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:15:35,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:35,447 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 01:15:35,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:35,545 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 01:15:35,545 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:35,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789717814] [2021-11-07 01:15:35,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789717814] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:35,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:35,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:15:35,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110040828] [2021-11-07 01:15:35,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:15:35,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:35,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:15:35,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:15:35,548 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:35,702 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2021-11-07 01:15:35,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:15:35,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-07 01:15:35,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:35,706 INFO L225 Difference]: With dead ends: 378 [2021-11-07 01:15:35,706 INFO L226 Difference]: Without dead ends: 376 [2021-11-07 01:15:35,707 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:15:35,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-11-07 01:15:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2021-11-07 01:15:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4045801526717556) internal successors, (184), 131 states have internal predecessors, (184), 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 01:15:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2021-11-07 01:15:35,727 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2021-11-07 01:15:35,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:35,727 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2021-11-07 01:15:35,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2021-11-07 01:15:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:15:35,729 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:35,729 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:35,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:35,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:35,942 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 01:15:35,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:35,942 INFO L85 PathProgramCache]: Analyzing trace with hash -395111701, now seen corresponding path program 1 times [2021-11-07 01:15:35,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:35,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439126798] [2021-11-07 01:15:35,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:35,943 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:35,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:35,945 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:35,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:15:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:36,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:15:36,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:36,282 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 01:15:36,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:36,355 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 01:15:36,355 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:36,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439126798] [2021-11-07 01:15:36,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439126798] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:36,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:36,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 01:15:36,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698560177] [2021-11-07 01:15:36,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:15:36,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:36,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:15:36,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:15:36,358 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 01:15:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:36,445 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2021-11-07 01:15:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:15:36,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-11-07 01:15:36,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:36,450 INFO L225 Difference]: With dead ends: 344 [2021-11-07 01:15:36,450 INFO L226 Difference]: Without dead ends: 218 [2021-11-07 01:15:36,451 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 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 01:15:36,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-11-07 01:15:36,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2021-11-07 01:15:36,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.3706293706293706) internal successors, (196), 143 states have internal predecessors, (196), 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 01:15:36,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2021-11-07 01:15:36,468 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2021-11-07 01:15:36,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:36,468 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2021-11-07 01:15:36,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 01:15:36,469 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2021-11-07 01:15:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:15:36,470 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:36,470 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:36,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:36,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:36,683 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 01:15:36,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash -981917715, now seen corresponding path program 1 times [2021-11-07 01:15:36,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:36,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110760117] [2021-11-07 01:15:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:36,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:36,686 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:36,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 01:15:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:36,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:15:36,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:37,052 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 01:15:37,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:37,139 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 01:15:37,139 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:37,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110760117] [2021-11-07 01:15:37,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110760117] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:37,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:37,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:15:37,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223129756] [2021-11-07 01:15:37,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:15:37,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:37,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:15:37,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:15:37,142 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:37,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:37,211 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2021-11-07 01:15:37,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:15:37,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-07 01:15:37,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:37,214 INFO L225 Difference]: With dead ends: 378 [2021-11-07 01:15:37,214 INFO L226 Difference]: Without dead ends: 240 [2021-11-07 01:15:37,215 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 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 01:15:37,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2021-11-07 01:15:37,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2021-11-07 01:15:37,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 151 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 01:15:37,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2021-11-07 01:15:37,233 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2021-11-07 01:15:37,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:37,233 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2021-11-07 01:15:37,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2021-11-07 01:15:37,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:15:37,235 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:37,235 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:37,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:37,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:37,447 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 01:15:37,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:37,448 INFO L85 PathProgramCache]: Analyzing trace with hash 2033185903, now seen corresponding path program 1 times [2021-11-07 01:15:37,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:37,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994127202] [2021-11-07 01:15:37,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:37,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:37,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:37,450 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:37,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 01:15:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:37,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:15:37,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:37,834 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 01:15:37,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:37,947 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 01:15:37,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:37,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994127202] [2021-11-07 01:15:37,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994127202] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:37,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:37,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 01:15:37,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781754840] [2021-11-07 01:15:37,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:15:37,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:37,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:15:37,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:15:37,950 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 01:15:38,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:38,021 INFO L93 Difference]: Finished difference Result 454 states and 612 transitions. [2021-11-07 01:15:38,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:15:38,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 34 [2021-11-07 01:15:38,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:38,024 INFO L225 Difference]: With dead ends: 454 [2021-11-07 01:15:38,024 INFO L226 Difference]: Without dead ends: 308 [2021-11-07 01:15:38,025 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 01:15:38,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-11-07 01:15:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 256. [2021-11-07 01:15:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.3372549019607842) internal successors, (341), 255 states have internal predecessors, (341), 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 01:15:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 341 transitions. [2021-11-07 01:15:38,052 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 341 transitions. Word has length 34 [2021-11-07 01:15:38,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:38,053 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 341 transitions. [2021-11-07 01:15:38,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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 01:15:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 341 transitions. [2021-11-07 01:15:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:15:38,054 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:38,054 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:38,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:38,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:38,270 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 01:15:38,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:38,271 INFO L85 PathProgramCache]: Analyzing trace with hash -745345683, now seen corresponding path program 1 times [2021-11-07 01:15:38,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:38,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605025835] [2021-11-07 01:15:38,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:38,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:38,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:38,273 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:38,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:15:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:38,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:15:38,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:38,710 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 01:15:38,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:38,844 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 01:15:38,844 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:38,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605025835] [2021-11-07 01:15:38,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605025835] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:38,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:38,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-07 01:15:38,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826923692] [2021-11-07 01:15:38,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:15:38,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:38,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:15:38,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:15:38,846 INFO L87 Difference]: Start difference. First operand 256 states and 341 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 01:15:41,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:41,747 INFO L93 Difference]: Finished difference Result 990 states and 1296 transitions. [2021-11-07 01:15:41,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:15:41,748 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 35 [2021-11-07 01:15:41,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:41,755 INFO L225 Difference]: With dead ends: 990 [2021-11-07 01:15:41,755 INFO L226 Difference]: Without dead ends: 740 [2021-11-07 01:15:41,756 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:15:41,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-11-07 01:15:41,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 256. [2021-11-07 01:15:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 255 states have (on average 1.3137254901960784) internal successors, (335), 255 states have internal predecessors, (335), 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 01:15:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2021-11-07 01:15:41,793 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 35 [2021-11-07 01:15:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:41,793 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2021-11-07 01:15:41,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 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 01:15:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2021-11-07 01:15:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:15:41,794 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:41,795 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:41,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:42,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:42,007 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 01:15:42,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash -785430939, now seen corresponding path program 1 times [2021-11-07 01:15:42,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:42,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889848136] [2021-11-07 01:15:42,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:42,008 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:42,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:42,009 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:42,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-07 01:15:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:42,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:15:42,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:42,521 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 01:15:42,521 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:42,730 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 01:15:42,730 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:42,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889848136] [2021-11-07 01:15:42,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889848136] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:15:42,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1510828085] [2021-11-07 01:15:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:42,731 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:15:42,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:15:42,736 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:15:42,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-07 01:15:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:43,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:15:43,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:43,390 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 01:15:43,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:43,593 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 01:15:43,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1510828085] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:15:43,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765225824] [2021-11-07 01:15:43,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:43,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:15:43,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:15:43,601 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:15:43,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:15:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:43,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:15:43,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:44,180 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 01:15:44,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:44,374 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 01:15:44,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765225824] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:15:44,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:15:44,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2021-11-07 01:15:44,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827977018] [2021-11-07 01:15:44,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:15:44,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:44,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:15:44,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:15:44,377 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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 01:15:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:46,343 INFO L93 Difference]: Finished difference Result 2489 states and 3259 transitions. [2021-11-07 01:15:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 01:15:46,344 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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 56 [2021-11-07 01:15:46,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:46,358 INFO L225 Difference]: With dead ends: 2489 [2021-11-07 01:15:46,359 INFO L226 Difference]: Without dead ends: 2239 [2021-11-07 01:15:46,360 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:15:46,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2021-11-07 01:15:46,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 721. [2021-11-07 01:15:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 720 states have (on average 1.3430555555555554) internal successors, (967), 720 states have internal predecessors, (967), 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 01:15:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 967 transitions. [2021-11-07 01:15:46,482 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 967 transitions. Word has length 56 [2021-11-07 01:15:46,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:46,482 INFO L470 AbstractCegarLoop]: Abstraction has 721 states and 967 transitions. [2021-11-07 01:15:46,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 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 01:15:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 967 transitions. [2021-11-07 01:15:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 01:15:46,484 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:46,484 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:46,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:46,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:46,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:47,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:15:47,100 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:47,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:47,100 INFO L85 PathProgramCache]: Analyzing trace with hash -84366361, now seen corresponding path program 1 times [2021-11-07 01:15:47,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:15:47,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317586278] [2021-11-07 01:15:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:47,101 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:15:47,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:15:47,102 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:15:47,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-07 01:15:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:47,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:15:47,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:15:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:15:47,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:15:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:15:47,736 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:15:47,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317586278] [2021-11-07 01:15:47,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317586278] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:15:47,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:15:47,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:15:47,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315171130] [2021-11-07 01:15:47,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:15:47,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:15:47,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:15:47,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:15:47,738 INFO L87 Difference]: Start difference. First operand 721 states and 967 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 01:15:47,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:47,834 INFO L93 Difference]: Finished difference Result 1055 states and 1384 transitions. [2021-11-07 01:15:47,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:15:47,835 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 56 [2021-11-07 01:15:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:47,836 INFO L225 Difference]: With dead ends: 1055 [2021-11-07 01:15:47,836 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:15:47,837 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 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 01:15:47,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:15:47,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:15:47,838 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 01:15:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:15:47,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-11-07 01:15:47,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:47,838 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:15:47,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 01:15:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:15:47,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:15:47,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:15:47,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:15:47,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:15:47,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:48,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:15:48,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:15:48,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:48,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:49,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:55,109 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-11-07 01:15:55,109 INFO L857 garLoopResultBuilder]: For program point L498(lines 497 542) no Hoare annotation was computed. [2021-11-07 01:15:55,109 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 767) no Hoare annotation was computed. [2021-11-07 01:15:55,110 INFO L857 garLoopResultBuilder]: For program point L763-2(lines 763 767) no Hoare annotation was computed. [2021-11-07 01:15:55,110 INFO L857 garLoopResultBuilder]: For program point L763-3(lines 763 767) no Hoare annotation was computed. [2021-11-07 01:15:55,110 INFO L857 garLoopResultBuilder]: For program point L598(lines 598 615) no Hoare annotation was computed. [2021-11-07 01:15:55,110 INFO L857 garLoopResultBuilder]: For program point L763-5(lines 763 767) no Hoare annotation was computed. [2021-11-07 01:15:55,110 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 598 615) no Hoare annotation was computed. [2021-11-07 01:15:55,110 INFO L857 garLoopResultBuilder]: For program point L763-6(lines 763 767) no Hoare annotation was computed. [2021-11-07 01:15:55,110 INFO L857 garLoopResultBuilder]: For program point L598-2(lines 598 615) no Hoare annotation was computed. [2021-11-07 01:15:55,111 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-11-07 01:15:55,111 INFO L857 garLoopResultBuilder]: For program point L598-3(lines 598 615) no Hoare annotation was computed. [2021-11-07 01:15:55,111 INFO L857 garLoopResultBuilder]: For program point L763-8(lines 763 767) no Hoare annotation was computed. [2021-11-07 01:15:55,111 INFO L857 garLoopResultBuilder]: For program point L598-4(lines 598 615) no Hoare annotation was computed. [2021-11-07 01:15:55,111 INFO L857 garLoopResultBuilder]: For program point L598-5(lines 598 615) no Hoare annotation was computed. [2021-11-07 01:15:55,111 INFO L853 garLoopResultBuilder]: At program point L566(lines 565 584) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse3 .cse6 .cse5) (and .cse0 .cse2 .cse3 .cse6))) [2021-11-07 01:15:55,112 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-11-07 01:15:55,112 INFO L857 garLoopResultBuilder]: For program point L566-1(lines 566 572) no Hoare annotation was computed. [2021-11-07 01:15:55,112 INFO L853 garLoopResultBuilder]: At program point L566-2(lines 565 584) the Hoare annotation is: false [2021-11-07 01:15:55,112 INFO L857 garLoopResultBuilder]: For program point L533-2(lines 566 572) no Hoare annotation was computed. [2021-11-07 01:15:55,112 INFO L853 garLoopResultBuilder]: At program point L566-3(lines 565 584) the Hoare annotation is: false [2021-11-07 01:15:55,112 INFO L853 garLoopResultBuilder]: At program point L104(lines 1 981) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:55,113 INFO L860 garLoopResultBuilder]: At program point L865(lines 846 868) the Hoare annotation is: true [2021-11-07 01:15:55,113 INFO L853 garLoopResultBuilder]: At program point L833(lines 829 835) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:55,113 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 610) no Hoare annotation was computed. [2021-11-07 01:15:55,113 INFO L857 garLoopResultBuilder]: For program point L602-1(lines 602 610) no Hoare annotation was computed. [2021-11-07 01:15:55,113 INFO L857 garLoopResultBuilder]: For program point L602-2(lines 602 610) no Hoare annotation was computed. [2021-11-07 01:15:55,113 INFO L857 garLoopResultBuilder]: For program point L602-3(lines 602 610) no Hoare annotation was computed. [2021-11-07 01:15:55,113 INFO L857 garLoopResultBuilder]: For program point L602-4(lines 602 610) no Hoare annotation was computed. [2021-11-07 01:15:55,114 INFO L857 garLoopResultBuilder]: For program point L602-5(lines 602 610) no Hoare annotation was computed. [2021-11-07 01:15:55,114 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 905) no Hoare annotation was computed. [2021-11-07 01:15:55,114 INFO L853 garLoopResultBuilder]: At program point L769(lines 754 772) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 01:15:55,114 INFO L853 garLoopResultBuilder]: At program point L769-1(lines 754 772) the Hoare annotation is: false [2021-11-07 01:15:55,114 INFO L853 garLoopResultBuilder]: At program point L769-2(lines 754 772) the Hoare annotation is: false [2021-11-07 01:15:55,115 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-11-07 01:15:55,115 INFO L853 garLoopResultBuilder]: At program point L969(lines 964 972) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 (_ bv1 32))))) [2021-11-07 01:15:55,115 INFO L853 garLoopResultBuilder]: At program point L969-1(lines 964 972) the Hoare annotation is: false [2021-11-07 01:15:55,115 INFO L853 garLoopResultBuilder]: At program point L969-2(lines 964 972) the Hoare annotation is: false [2021-11-07 01:15:55,115 INFO L853 garLoopResultBuilder]: At program point L573(lines 573 579) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse5 .cse4) (and .cse0 .cse1 .cse6 .cse2))) [2021-11-07 01:15:55,116 INFO L853 garLoopResultBuilder]: At program point L573-1(lines 573 579) the Hoare annotation is: false [2021-11-07 01:15:55,116 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2021-11-07 01:15:55,116 INFO L853 garLoopResultBuilder]: At program point L573-2(lines 573 579) the Hoare annotation is: false [2021-11-07 01:15:55,116 INFO L853 garLoopResultBuilder]: At program point L507-1(lines 507 513) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse3 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse3 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))))) [2021-11-07 01:15:55,116 INFO L853 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:15:55,116 INFO L853 garLoopResultBuilder]: At program point L543(lines 496 544) the Hoare annotation is: false [2021-11-07 01:15:55,117 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,117 INFO L857 garLoopResultBuilder]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,117 INFO L857 garLoopResultBuilder]: For program point L744-3(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,117 INFO L857 garLoopResultBuilder]: For program point L744-5(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,117 INFO L857 garLoopResultBuilder]: For program point L744-6(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,117 INFO L857 garLoopResultBuilder]: For program point L744-8(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,117 INFO L857 garLoopResultBuilder]: For program point L744-9(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,118 INFO L857 garLoopResultBuilder]: For program point L744-11(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,118 INFO L857 garLoopResultBuilder]: For program point L744-12(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,118 INFO L857 garLoopResultBuilder]: For program point L744-14(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,118 INFO L857 garLoopResultBuilder]: For program point L744-15(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,118 INFO L857 garLoopResultBuilder]: For program point L744-17(lines 744 748) no Hoare annotation was computed. [2021-11-07 01:15:55,118 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2021-11-07 01:15:55,118 INFO L857 garLoopResultBuilder]: For program point L877-3(lines 877 881) no Hoare annotation was computed. [2021-11-07 01:15:55,119 INFO L857 garLoopResultBuilder]: For program point L877-6(lines 877 881) no Hoare annotation was computed. [2021-11-07 01:15:55,119 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:15:55,119 INFO L857 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2021-11-07 01:15:55,119 INFO L857 garLoopResultBuilder]: For program point L978-1(line 978) no Hoare annotation was computed. [2021-11-07 01:15:55,119 INFO L857 garLoopResultBuilder]: For program point L978-2(line 978) no Hoare annotation was computed. [2021-11-07 01:15:55,119 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2021-11-07 01:15:55,120 INFO L853 garLoopResultBuilder]: At program point L517-1(lines 517 523) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse6 .cse5 .cse1) (and .cse0 .cse6 .cse1 .cse3))) [2021-11-07 01:15:55,120 INFO L853 garLoopResultBuilder]: At program point L914(lines 909 917) the Hoare annotation is: false [2021-11-07 01:15:55,120 INFO L853 garLoopResultBuilder]: At program point L914-1(lines 909 917) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3))) [2021-11-07 01:15:55,120 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 909 917) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse2 .cse5) (and .cse0 .cse8 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse6 .cse7 .cse1))) [2021-11-07 01:15:55,120 INFO L853 garLoopResultBuilder]: At program point L914-3(lines 909 917) the Hoare annotation is: false [2021-11-07 01:15:55,120 INFO L853 garLoopResultBuilder]: At program point L914-4(lines 909 917) the Hoare annotation is: false [2021-11-07 01:15:55,121 INFO L853 garLoopResultBuilder]: At program point L914-5(lines 909 917) the Hoare annotation is: false [2021-11-07 01:15:55,121 INFO L853 garLoopResultBuilder]: At program point L914-6(lines 909 917) the Hoare annotation is: false [2021-11-07 01:15:55,121 INFO L853 garLoopResultBuilder]: At program point L914-7(lines 909 917) the Hoare annotation is: false [2021-11-07 01:15:55,121 INFO L853 garLoopResultBuilder]: At program point L914-8(lines 909 917) the Hoare annotation is: false [2021-11-07 01:15:55,121 INFO L853 garLoopResultBuilder]: At program point L750(lines 735 753) the Hoare annotation is: false [2021-11-07 01:15:55,121 INFO L853 garLoopResultBuilder]: At program point L750-1(lines 735 753) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse5 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32)))) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse3 .cse6 .cse7 .cse8 .cse5 .cse9 .cse4) (and .cse0 .cse2 .cse3 .cse6 .cse7 .cse8 .cse9 .cse4))) [2021-11-07 01:15:55,122 INFO L853 garLoopResultBuilder]: At program point L750-2(lines 735 753) the Hoare annotation is: false [2021-11-07 01:15:55,122 INFO L853 garLoopResultBuilder]: At program point L750-3(lines 735 753) the Hoare annotation is: false [2021-11-07 01:15:55,122 INFO L853 garLoopResultBuilder]: At program point L750-4(lines 735 753) the Hoare annotation is: false [2021-11-07 01:15:55,122 INFO L853 garLoopResultBuilder]: At program point L750-5(lines 735 753) the Hoare annotation is: false [2021-11-07 01:15:55,122 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:15:55,122 INFO L853 garLoopResultBuilder]: At program point L785-2(lines 785 799) the Hoare annotation is: false [2021-11-07 01:15:55,122 INFO L853 garLoopResultBuilder]: At program point L686(lines 679 689) the Hoare annotation is: false [2021-11-07 01:15:55,123 INFO L853 garLoopResultBuilder]: At program point L686-1(lines 679 689) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| (_ bv1 32)) .cse2 (= ~methaneLevelCritical~0 (_ bv1 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32)) .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 (_ bv0 32)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse2 .cse3))) [2021-11-07 01:15:55,123 INFO L853 garLoopResultBuilder]: At program point L686-2(lines 679 689) the Hoare annotation is: false [2021-11-07 01:15:55,123 INFO L853 garLoopResultBuilder]: At program point L686-3(lines 679 689) the Hoare annotation is: false [2021-11-07 01:15:55,123 INFO L853 garLoopResultBuilder]: At program point L686-4(lines 679 689) the Hoare annotation is: false [2021-11-07 01:15:55,123 INFO L853 garLoopResultBuilder]: At program point L686-5(lines 679 689) the Hoare annotation is: false [2021-11-07 01:15:55,123 INFO L857 garLoopResultBuilder]: For program point L786(line 786) no Hoare annotation was computed. [2021-11-07 01:15:55,124 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-11-07 01:15:55,124 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:15:55,124 INFO L853 garLoopResultBuilder]: At program point L61-1(lines 1 981) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse5 .cse4) (and .cse0 .cse3 .cse5 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse3 .cse6 .cse7 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv0 32)) .cse3 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 (_ bv0 32))))) [2021-11-07 01:15:55,124 INFO L857 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-11-07 01:15:55,124 INFO L853 garLoopResultBuilder]: At program point L61-3(lines 1 981) the Hoare annotation is: false [2021-11-07 01:15:55,124 INFO L857 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-11-07 01:15:55,125 INFO L853 garLoopResultBuilder]: At program point L61-5(lines 1 981) the Hoare annotation is: false [2021-11-07 01:15:55,125 INFO L857 garLoopResultBuilder]: For program point L954(lines 954 960) no Hoare annotation was computed. [2021-11-07 01:15:55,125 INFO L857 garLoopResultBuilder]: For program point L954-1(lines 954 960) no Hoare annotation was computed. [2021-11-07 01:15:55,125 INFO L857 garLoopResultBuilder]: For program point L954-2(lines 954 960) no Hoare annotation was computed. [2021-11-07 01:15:55,125 INFO L857 garLoopResultBuilder]: For program point L954-3(lines 954 960) no Hoare annotation was computed. [2021-11-07 01:15:55,125 INFO L857 garLoopResultBuilder]: For program point L954-4(lines 954 960) no Hoare annotation was computed. [2021-11-07 01:15:55,125 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2021-11-07 01:15:55,126 INFO L857 garLoopResultBuilder]: For program point L954-5(lines 954 960) no Hoare annotation was computed. [2021-11-07 01:15:55,126 INFO L857 garLoopResultBuilder]: For program point L789-1(lines 566 572) no Hoare annotation was computed. [2021-11-07 01:15:55,126 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 641) no Hoare annotation was computed. [2021-11-07 01:15:55,126 INFO L857 garLoopResultBuilder]: For program point L624-1(lines 624 641) no Hoare annotation was computed. [2021-11-07 01:15:55,126 INFO L857 garLoopResultBuilder]: For program point L624-2(lines 624 641) no Hoare annotation was computed. [2021-11-07 01:15:55,126 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2021-11-07 01:15:55,126 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2021-11-07 01:15:55,127 INFO L860 garLoopResultBuilder]: At program point L856-1(lines 856 863) the Hoare annotation is: true [2021-11-07 01:15:55,127 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 538) no Hoare annotation was computed. [2021-11-07 01:15:55,127 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-11-07 01:15:55,127 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:15:55,127 INFO L857 garLoopResultBuilder]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2021-11-07 01:15:55,127 INFO L857 garLoopResultBuilder]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2021-11-07 01:15:55,127 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2021-11-07 01:15:55,128 INFO L857 garLoopResultBuilder]: For program point L661(lines 661 667) no Hoare annotation was computed. [2021-11-07 01:15:55,128 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 636) no Hoare annotation was computed. [2021-11-07 01:15:55,128 INFO L857 garLoopResultBuilder]: For program point L661-2(lines 661 667) no Hoare annotation was computed. [2021-11-07 01:15:55,128 INFO L857 garLoopResultBuilder]: For program point L628-1(lines 628 636) no Hoare annotation was computed. [2021-11-07 01:15:55,128 INFO L857 garLoopResultBuilder]: For program point L628-2(lines 628 636) no Hoare annotation was computed. [2021-11-07 01:15:55,128 INFO L857 garLoopResultBuilder]: For program point L661-4(lines 661 667) no Hoare annotation was computed. [2021-11-07 01:15:55,128 INFO L857 garLoopResultBuilder]: For program point L661-6(lines 661 667) no Hoare annotation was computed. [2021-11-07 01:15:55,129 INFO L857 garLoopResultBuilder]: For program point L661-8(lines 661 667) no Hoare annotation was computed. [2021-11-07 01:15:55,129 INFO L857 garLoopResultBuilder]: For program point L661-10(lines 661 667) no Hoare annotation was computed. [2021-11-07 01:15:55,129 INFO L853 garLoopResultBuilder]: At program point L959(lines 950 963) the Hoare annotation is: false [2021-11-07 01:15:55,129 INFO L853 garLoopResultBuilder]: At program point L959-1(lines 950 963) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (and .cse0 .cse6 .cse3 .cse7 .cse5))) [2021-11-07 01:15:55,129 INFO L853 garLoopResultBuilder]: At program point L959-2(lines 950 963) the Hoare annotation is: false [2021-11-07 01:15:55,129 INFO L853 garLoopResultBuilder]: At program point L959-3(lines 950 963) the Hoare annotation is: false [2021-11-07 01:15:55,129 INFO L853 garLoopResultBuilder]: At program point L959-4(lines 950 963) the Hoare annotation is: false [2021-11-07 01:15:55,130 INFO L853 garLoopResultBuilder]: At program point L959-5(lines 950 963) the Hoare annotation is: false [2021-11-07 01:15:55,130 INFO L853 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4 .cse5))) [2021-11-07 01:15:55,130 INFO L853 garLoopResultBuilder]: At program point L695-1(lines 690 698) the Hoare annotation is: false [2021-11-07 01:15:55,130 INFO L853 garLoopResultBuilder]: At program point L695-2(lines 690 698) the Hoare annotation is: false [2021-11-07 01:15:55,133 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:55,135 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:15:55,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:15:55 BoogieIcfgContainer [2021-11-07 01:15:55,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:15:55,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:15:55,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:15:55,163 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:15:55,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:15:31" (3/4) ... [2021-11-07 01:15:55,166 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:15:55,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:15:55,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:15:55,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:15:55,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:15:55,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:15:55,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:15:55,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:15:55,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-11-07 01:15:55,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) [2021-11-07 01:15:55,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) [2021-11-07 01:15:55,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) [2021-11-07 01:15:55,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:15:55,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:15:55,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) [2021-11-07 01:15:55,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) [2021-11-07 01:15:55,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:15:55,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 01:15:55,282 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:15:55,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:15:55,283 INFO L168 Benchmark]: Toolchain (without parser) took 27229.73 ms. Allocated memory was 65.0 MB in the beginning and 130.0 MB in the end (delta: 65.0 MB). Free memory was 43.8 MB in the beginning and 73.3 MB in the end (delta: -29.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:55,284 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 65.0 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:15:55,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.47 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 33.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:55,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.49 ms. Allocated memory is still 65.0 MB. Free memory was 33.1 MB in the beginning and 29.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:55,285 INFO L168 Benchmark]: Boogie Preprocessor took 76.13 ms. Allocated memory is still 65.0 MB. Free memory was 28.9 MB in the beginning and 26.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:55,285 INFO L168 Benchmark]: RCFGBuilder took 2444.03 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 26.1 MB in the beginning and 60.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:55,286 INFO L168 Benchmark]: TraceAbstraction took 23770.58 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 60.4 MB in the beginning and 84.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 76.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:55,286 INFO L168 Benchmark]: Witness Printer took 119.63 ms. Allocated memory is still 130.0 MB. Free memory was 84.4 MB in the beginning and 73.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:15:55,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 65.0 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 707.47 ms. Allocated memory is still 65.0 MB. Free memory was 43.5 MB in the beginning and 33.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.49 ms. Allocated memory is still 65.0 MB. Free memory was 33.1 MB in the beginning and 29.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.13 ms. Allocated memory is still 65.0 MB. Free memory was 28.9 MB in the beginning and 26.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2444.03 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 26.1 MB in the beginning and 60.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23770.58 ms. Allocated memory was 88.1 MB in the beginning and 130.0 MB in the end (delta: 41.9 MB). Free memory was 60.4 MB in the beginning and 84.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 76.8 MB. Max. memory is 16.1 GB. * Witness Printer took 119.63 ms. Allocated memory is still 130.0 MB. Free memory was 84.4 MB in the beginning and 73.3 MB in the end (delta: 11.2 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: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 978]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 23.6s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1495 SDtfs, 2640 SDslu, 3777 SDs, 0 SdLazy, 519 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1020 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=721occurred in iteration=11, InterpolantAutomatonStates: 82, 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, 12 MinimizatonAttempts, 2636 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 175 NumberOfFragments, 877 HoareAnnotationTreeSize, 54 FomulaSimplifications, 1383919 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 339649 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 2086 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3047 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 76/112 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: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) || ((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32)) || (((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp == 0bv32) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) || (((((((splverifierCounter == 0bv32 && \result == 0bv32) && systemActive == 1bv32) && tmp___0 == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp == 0bv32) && methaneLevelCritical == 1bv32) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == \result) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && \result == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && systemActive == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && methaneLevelCritical == 0bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && methaneLevelCritical == 1bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:15:55,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c72f3aa-a394-4f54-8723-b5128b7c7284/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