./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE --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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE --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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:31:47,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:31:47,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:31:47,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:31:47,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:31:47,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:31:47,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:31:47,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:31:47,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:31:47,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:31:47,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:31:47,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:31:47,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:31:47,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:31:47,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:31:47,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:31:47,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:31:47,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:31:47,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:31:47,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:31:47,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:31:47,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:31:47,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:31:47,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:31:47,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:31:47,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:31:47,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:31:47,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:31:47,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:31:47,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:31:47,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:31:47,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:31:47,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:31:47,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:31:47,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:31:47,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:31:47,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:31:47,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:31:47,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:31:47,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:31:47,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:31:47,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:31:47,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:31:47,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:31:47,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:31:47,479 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:31:47,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:31:47,480 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:31:47,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:31:47,480 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:31:47,480 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:31:47,481 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:31:47,481 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:31:47,481 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:31:47,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:31:47,481 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:31:47,482 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:31:47,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:31:47,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:31:47,483 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:31:47,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:31:47,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:31:47,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:31:47,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:31:47,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:31:47,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:31:47,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:31:47,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:31:47,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:31:47,485 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:31:47,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:31:47,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:31:47,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:31:47,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:31:47,485 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_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2021-10-24 10:31:47,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:31:47,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:31:47,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:31:47,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:31:47,855 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:31:47,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-24 10:31:47,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/81a5867d0/a638fbc908794fc7adbd1001216b5316/FLAG6159f4e21 [2021-10-24 10:31:48,566 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:31:48,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-24 10:31:48,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/81a5867d0/a638fbc908794fc7adbd1001216b5316/FLAG6159f4e21 [2021-10-24 10:31:48,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/81a5867d0/a638fbc908794fc7adbd1001216b5316 [2021-10-24 10:31:48,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:31:48,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:31:48,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:31:48,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:31:48,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:31:48,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:31:48" (1/1) ... [2021-10-24 10:31:48,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@373e698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:48, skipping insertion in model container [2021-10-24 10:31:48,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:31:48" (1/1) ... [2021-10-24 10:31:48,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:31:48,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:31:49,232 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_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-24 10:31:49,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:31:49,265 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:31:49,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bbef7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:49, skipping insertion in model container [2021-10-24 10:31:49,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:31:49,267 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:31:49,269 INFO L168 Benchmark]: Toolchain (without parser) took 434.49 ms. Allocated memory is still 102.8 MB. Free memory was 61.0 MB in the beginning and 75.5 MB in the end (delta: -14.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:31:49,270 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory was 78.1 MB in the beginning and 78.0 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:31:49,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.87 ms. Allocated memory is still 102.8 MB. Free memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:31:49,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory was 78.1 MB in the beginning and 78.0 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 428.87 ms. Allocated memory is still 102.8 MB. Free memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 179]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:31:51,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:31:51,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:31:51,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:31:51,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:31:51,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:31:51,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:31:51,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:31:51,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:31:51,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:31:51,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:31:51,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:31:51,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:31:51,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:31:51,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:31:51,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:31:51,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:31:51,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:31:51,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:31:51,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:31:51,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:31:51,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:31:51,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:31:51,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:31:51,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:31:51,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:31:51,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:31:51,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:31:51,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:31:51,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:31:51,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:31:51,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:31:51,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:31:51,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:31:51,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:31:51,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:31:51,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:31:51,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:31:51,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:31:51,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:31:51,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:31:51,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:31:51,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:31:51,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:31:51,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:31:51,855 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:31:51,855 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:31:51,856 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:31:51,856 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:31:51,856 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:31:51,856 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:31:51,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:31:51,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:31:51,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:31:51,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:31:51,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:31:51,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:31:51,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:31:51,860 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:31:51,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:31:51,860 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:31:51,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:31:51,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:31:51,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:31:51,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:31:51,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:31:51,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:31:51,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:31:51,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:31:51,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:31:51,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:31:51,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:31:51,863 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:31:51,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:31:51,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:31:51,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:31:51,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:31:51,864 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_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2021-10-24 10:31:52,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:31:52,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:31:52,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:31:52,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:31:52,309 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:31:52,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-24 10:31:52,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/99363bf28/dae19c685b7b449b86107de05388e71a/FLAG3707cd636 [2021-10-24 10:31:53,081 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:31:53,084 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2021-10-24 10:31:53,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/99363bf28/dae19c685b7b449b86107de05388e71a/FLAG3707cd636 [2021-10-24 10:31:53,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/data/99363bf28/dae19c685b7b449b86107de05388e71a [2021-10-24 10:31:53,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:31:53,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:31:53,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:31:53,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:31:53,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:31:53,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:31:53" (1/1) ... [2021-10-24 10:31:53,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dc0234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:53, skipping insertion in model container [2021-10-24 10:31:53,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:31:53" (1/1) ... [2021-10-24 10:31:53,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:31:53,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:31:53,752 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_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-24 10:31:53,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:31:53,770 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:31:53,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:31:53,877 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_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-24 10:31:53,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:31:53,885 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:31:53,990 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_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2021-10-24 10:31:53,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:31:54,017 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:31:54,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54 WrapperNode [2021-10-24 10:31:54,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:31:54,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:31:54,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:31:54,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:31:54,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:31:54,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:31:54,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:31:54,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:31:54,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:31:54,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:31:54,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:31:54,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:31:54,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (1/1) ... [2021-10-24 10:31:54,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:31:54,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:31:54,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:31:54,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:31:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:31:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:31:54,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:31:54,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:31:56,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:31:56,719 INFO L299 CfgBuilder]: Removed 134 assume(true) statements. [2021-10-24 10:31:56,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:31:56 BoogieIcfgContainer [2021-10-24 10:31:56,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:31:56,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:31:56,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:31:56,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:31:56,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:31:53" (1/3) ... [2021-10-24 10:31:56,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec3e6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:31:56, skipping insertion in model container [2021-10-24 10:31:56,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:31:54" (2/3) ... [2021-10-24 10:31:56,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec3e6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:31:56, skipping insertion in model container [2021-10-24 10:31:56,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:31:56" (3/3) ... [2021-10-24 10:31:56,745 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2021-10-24 10:31:56,751 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:31:56,751 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:31:56,801 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:31:56,808 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 [2021-10-24 10:31:56,808 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:31:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:31:56,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:31:56,833 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:31:56,833 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:31:56,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:31:56,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1014623904, now seen corresponding path program 1 times [2021-10-24 10:31:56,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:31:56,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730617311] [2021-10-24 10:31:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:31:56,855 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:31:56,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:31:56,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:31:56,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:31:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:31:57,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:31:57,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:31:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:57,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:31:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:57,322 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:31:57,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730617311] [2021-10-24 10:31:57,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730617311] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:31:57,324 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:31:57,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:31:57,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960671181] [2021-10-24 10:31:57,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:31:57,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:31:57,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:31:57,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:31:57,354 INFO L87 Difference]: Start difference. First operand has 98 states, 94 states have (on average 1.5319148936170213) internal successors, (144), 97 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:31:57,404 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2021-10-24 10:31:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:31:57,406 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:31:57,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:31:57,438 INFO L225 Difference]: With dead ends: 189 [2021-10-24 10:31:57,438 INFO L226 Difference]: Without dead ends: 94 [2021-10-24 10:31:57,442 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:31:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-24 10:31:57,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-24 10:31:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 91 states have (on average 1.4505494505494505) internal successors, (132), 93 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2021-10-24 10:31:57,506 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2021-10-24 10:31:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:31:57,507 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2021-10-24 10:31:57,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-10-24 10:31:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 10:31:57,509 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:31:57,509 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:31:57,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:31:57,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:31:57,728 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:31:57,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:31:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash 2129327965, now seen corresponding path program 1 times [2021-10-24 10:31:57,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:31:57,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768151448] [2021-10-24 10:31:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:31:57,734 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:31:57,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:31:57,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:31:57,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:31:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:31:57,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:31:57,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:31:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:58,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:31:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:58,066 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:31:58,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [768151448] [2021-10-24 10:31:58,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [768151448] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:31:58,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:31:58,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:31:58,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122224895] [2021-10-24 10:31:58,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:31:58,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:31:58,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:31:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:31:58,070 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:58,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:31:58,084 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2021-10-24 10:31:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:31:58,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-24 10:31:58,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:31:58,086 INFO L225 Difference]: With dead ends: 94 [2021-10-24 10:31:58,086 INFO L226 Difference]: Without dead ends: 43 [2021-10-24 10:31:58,087 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:31:58,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-24 10:31:58,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-24 10:31:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-24 10:31:58,093 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2021-10-24 10:31:58,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:31:58,093 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-24 10:31:58,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:58,093 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-24 10:31:58,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:31:58,094 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:31:58,095 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:31:58,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:31:58,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:31:58,307 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:31:58,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:31:58,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1463825694, now seen corresponding path program 1 times [2021-10-24 10:31:58,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:31:58,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288262772] [2021-10-24 10:31:58,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:31:58,309 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:31:58,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:31:58,313 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:31:58,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:31:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:31:58,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:31:58,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:31:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:58,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:31:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:58,725 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:31:58,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288262772] [2021-10-24 10:31:58,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288262772] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:31:58,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:31:58,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:31:58,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244150867] [2021-10-24 10:31:58,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:31:58,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:31:58,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:31:58,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:31:58,729 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:31:58,804 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2021-10-24 10:31:58,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:31:58,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:31:58,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:31:58,808 INFO L225 Difference]: With dead ends: 141 [2021-10-24 10:31:58,808 INFO L226 Difference]: Without dead ends: 105 [2021-10-24 10:31:58,809 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:31:58,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-24 10:31:58,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2021-10-24 10:31:58,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.453125) internal successors, (93), 64 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:58,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2021-10-24 10:31:58,833 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2021-10-24 10:31:58,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:31:58,834 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2021-10-24 10:31:58,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2021-10-24 10:31:58,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:31:58,837 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:31:58,838 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:31:58,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:31:59,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:31:59,058 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:31:59,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:31:59,058 INFO L82 PathProgramCache]: Analyzing trace with hash 419511483, now seen corresponding path program 1 times [2021-10-24 10:31:59,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:31:59,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553250712] [2021-10-24 10:31:59,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:31:59,060 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:31:59,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:31:59,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:31:59,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:31:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:31:59,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:31:59,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:31:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:59,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:31:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:31:59,407 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:31:59,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553250712] [2021-10-24 10:31:59,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553250712] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:31:59,409 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:31:59,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-24 10:31:59,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417656687] [2021-10-24 10:31:59,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:31:59,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:31:59,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:31:59,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:31:59,411 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:59,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:31:59,485 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2021-10-24 10:31:59,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:31:59,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-24 10:31:59,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:31:59,487 INFO L225 Difference]: With dead ends: 147 [2021-10-24 10:31:59,487 INFO L226 Difference]: Without dead ends: 89 [2021-10-24 10:31:59,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 10:31:59,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-24 10:31:59,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-24 10:31:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-24 10:31:59,513 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2021-10-24 10:31:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:31:59,513 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-24 10:31:59,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:31:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-24 10:31:59,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-24 10:31:59,516 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:31:59,516 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:31:59,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:31:59,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:31:59,735 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:31:59,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:31:59,735 INFO L82 PathProgramCache]: Analyzing trace with hash -894632213, now seen corresponding path program 1 times [2021-10-24 10:31:59,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:31:59,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360605016] [2021-10-24 10:31:59,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:31:59,737 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:31:59,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:31:59,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:31:59,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:31:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:31:59,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:31:59,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:00,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:00,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:00,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360605016] [2021-10-24 10:32:00,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360605016] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:00,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:00,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:32:00,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010214448] [2021-10-24 10:32:00,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:32:00,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:00,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:32:00,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:32:00,221 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:00,393 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2021-10-24 10:32:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-24 10:32:00,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-10-24 10:32:00,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:00,395 INFO L225 Difference]: With dead ends: 288 [2021-10-24 10:32:00,395 INFO L226 Difference]: Without dead ends: 208 [2021-10-24 10:32:00,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 68.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:32:00,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-24 10:32:00,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2021-10-24 10:32:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2021-10-24 10:32:00,424 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2021-10-24 10:32:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:00,424 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2021-10-24 10:32:00,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2021-10-24 10:32:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:32:00,426 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:00,426 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:00,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:00,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:00,639 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:00,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:00,640 INFO L82 PathProgramCache]: Analyzing trace with hash -855336384, now seen corresponding path program 1 times [2021-10-24 10:32:00,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:00,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177477726] [2021-10-24 10:32:00,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:00,641 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:00,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:00,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:00,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-24 10:32:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:00,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:32:00,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:01,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:01,101 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:01,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177477726] [2021-10-24 10:32:01,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177477726] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:01,102 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:01,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:32:01,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706308731] [2021-10-24 10:32:01,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:32:01,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:01,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:32:01,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:32:01,104 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:01,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:01,176 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2021-10-24 10:32:01,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 10:32:01,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-24 10:32:01,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:01,178 INFO L225 Difference]: With dead ends: 251 [2021-10-24 10:32:01,178 INFO L226 Difference]: Without dead ends: 173 [2021-10-24 10:32:01,180 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:32:01,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-24 10:32:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2021-10-24 10:32:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-10-24 10:32:01,198 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2021-10-24 10:32:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:01,200 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-10-24 10:32:01,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-10-24 10:32:01,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:32:01,205 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:01,205 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:01,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:01,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:01,423 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:01,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:01,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1866453634, now seen corresponding path program 1 times [2021-10-24 10:32:01,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:01,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484747507] [2021-10-24 10:32:01,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:01,424 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:01,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:01,425 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-24 10:32:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:01,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-24 10:32:01,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:01,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:01,901 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:01,901 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484747507] [2021-10-24 10:32:01,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484747507] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:01,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:01,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-24 10:32:01,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749194493] [2021-10-24 10:32:01,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:32:01,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:01,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:32:01,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:32:01,903 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:01,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:01,956 INFO L93 Difference]: Finished difference Result 260 states and 353 transitions. [2021-10-24 10:32:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:32:01,956 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-24 10:32:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:01,958 INFO L225 Difference]: With dead ends: 260 [2021-10-24 10:32:01,958 INFO L226 Difference]: Without dead ends: 179 [2021-10-24 10:32:01,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 30.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:32:01,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2021-10-24 10:32:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 90. [2021-10-24 10:32:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:01,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2021-10-24 10:32:01,977 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2021-10-24 10:32:01,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:01,978 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2021-10-24 10:32:01,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:01,978 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2021-10-24 10:32:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-24 10:32:01,981 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:01,982 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:01,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:02,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:02,195 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:02,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1407445308, now seen corresponding path program 1 times [2021-10-24 10:32:02,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:02,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563641361] [2021-10-24 10:32:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:02,196 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:02,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:02,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:02,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-24 10:32:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:02,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:32:02,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:02,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:02,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:02,695 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:02,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563641361] [2021-10-24 10:32:02,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [563641361] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:02,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:02,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:32:02,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2447340] [2021-10-24 10:32:02,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:32:02,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:02,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:32:02,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:02,697 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:02,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:02,753 INFO L93 Difference]: Finished difference Result 295 states and 401 transitions. [2021-10-24 10:32:02,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:32:02,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-24 10:32:02,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:02,755 INFO L225 Difference]: With dead ends: 295 [2021-10-24 10:32:02,755 INFO L226 Difference]: Without dead ends: 212 [2021-10-24 10:32:02,756 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:32:02,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-24 10:32:02,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 161. [2021-10-24 10:32:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.35625) internal successors, (217), 160 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 217 transitions. [2021-10-24 10:32:02,777 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 217 transitions. Word has length 36 [2021-10-24 10:32:02,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:02,777 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 217 transitions. [2021-10-24 10:32:02,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 217 transitions. [2021-10-24 10:32:02,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-24 10:32:02,779 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:02,779 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:02,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-10-24 10:32:02,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:02,992 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:02,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:02,992 INFO L82 PathProgramCache]: Analyzing trace with hash -67033476, now seen corresponding path program 1 times [2021-10-24 10:32:02,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:02,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585717901] [2021-10-24 10:32:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:02,993 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:02,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:02,995 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:03,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-24 10:32:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:03,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-24 10:32:03,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:03,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:03,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:03,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585717901] [2021-10-24 10:32:03,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585717901] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:03,640 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:03,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:32:03,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559730435] [2021-10-24 10:32:03,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-24 10:32:03,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-24 10:32:03,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-24 10:32:03,643 INFO L87 Difference]: Start difference. First operand 161 states and 217 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:05,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:05,259 INFO L93 Difference]: Finished difference Result 806 states and 1099 transitions. [2021-10-24 10:32:05,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-24 10:32:05,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-24 10:32:05,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:05,264 INFO L225 Difference]: With dead ends: 806 [2021-10-24 10:32:05,264 INFO L226 Difference]: Without dead ends: 652 [2021-10-24 10:32:05,265 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 71.1ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:32:05,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2021-10-24 10:32:05,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 304. [2021-10-24 10:32:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 303 states have (on average 1.3366336633663367) internal successors, (405), 303 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:05,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 405 transitions. [2021-10-24 10:32:05,320 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 405 transitions. Word has length 37 [2021-10-24 10:32:05,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:05,320 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 405 transitions. [2021-10-24 10:32:05,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 405 transitions. [2021-10-24 10:32:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-24 10:32:05,322 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:05,322 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:05,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:05,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:05,536 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:05,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:05,537 INFO L82 PathProgramCache]: Analyzing trace with hash 350167364, now seen corresponding path program 1 times [2021-10-24 10:32:05,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:05,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109867581] [2021-10-24 10:32:05,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:05,538 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:05,539 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:05,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-24 10:32:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:05,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:32:05,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:06,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:06,237 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:06,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109867581] [2021-10-24 10:32:06,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109867581] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:06,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2091505585] [2021-10-24 10:32:06,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:06,237 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:32:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:32:06,239 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:32:06,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-10-24 10:32:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:06,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:32:06,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:06,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:06,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:06,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2091505585] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:06,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827811474] [2021-10-24 10:32:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:06,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:32:06,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:32:06,954 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:32:06,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-24 10:32:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:07,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:32:07,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:07,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:32:07,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827811474] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:07,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:32:07,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-10-24 10:32:07,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482358125] [2021-10-24 10:32:07,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-24 10:32:07,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:07,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-24 10:32:07,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:32:07,631 INFO L87 Difference]: Start difference. First operand 304 states and 405 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:12,057 INFO L93 Difference]: Finished difference Result 674 states and 905 transitions. [2021-10-24 10:32:12,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-24 10:32:12,058 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-24 10:32:12,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:12,061 INFO L225 Difference]: With dead ends: 674 [2021-10-24 10:32:12,061 INFO L226 Difference]: Without dead ends: 377 [2021-10-24 10:32:12,062 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 163.4ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-24 10:32:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-24 10:32:12,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 310. [2021-10-24 10:32:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.2944983818770226) internal successors, (400), 309 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 400 transitions. [2021-10-24 10:32:12,117 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 400 transitions. Word has length 54 [2021-10-24 10:32:12,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:12,118 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 400 transitions. [2021-10-24 10:32:12,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 400 transitions. [2021-10-24 10:32:12,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-24 10:32:12,121 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:12,121 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:12,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:12,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:12,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:12,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:32:12,738 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:12,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:12,738 INFO L82 PathProgramCache]: Analyzing trace with hash -798318202, now seen corresponding path program 1 times [2021-10-24 10:32:12,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:12,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717357598] [2021-10-24 10:32:12,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:12,739 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:12,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:12,740 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:12,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-24 10:32:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:13,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:32:13,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:32:13,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-24 10:32:13,927 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:13,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717357598] [2021-10-24 10:32:13,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717357598] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:13,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2127646364] [2021-10-24 10:32:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:13,927 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:32:13,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:32:13,930 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:32:13,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-10-24 10:32:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:14,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:32:14,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 10:32:14,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-24 10:32:14,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2127646364] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:14,888 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-10-24 10:32:14,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 11 [2021-10-24 10:32:14,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500017526] [2021-10-24 10:32:14,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 10:32:14,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:14,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 10:32:14,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:32:14,893 INFO L87 Difference]: Start difference. First operand 310 states and 400 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:16,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:16,621 INFO L93 Difference]: Finished difference Result 621 states and 801 transitions. [2021-10-24 10:32:16,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:32:16,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 99 [2021-10-24 10:32:16,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:16,624 INFO L225 Difference]: With dead ends: 621 [2021-10-24 10:32:16,625 INFO L226 Difference]: Without dead ends: 318 [2021-10-24 10:32:16,626 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 72.0ms TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:32:16,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-24 10:32:16,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 310. [2021-10-24 10:32:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.2815533980582525) internal successors, (396), 309 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 396 transitions. [2021-10-24 10:32:16,667 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 396 transitions. Word has length 99 [2021-10-24 10:32:16,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:16,668 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 396 transitions. [2021-10-24 10:32:16,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 396 transitions. [2021-10-24 10:32:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-24 10:32:16,676 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:16,676 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:16,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:16,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:17,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:17,084 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:17,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:17,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1430063544, now seen corresponding path program 1 times [2021-10-24 10:32:17,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:17,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035593576] [2021-10-24 10:32:17,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:17,086 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:17,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:17,087 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:17,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-24 10:32:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:17,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-24 10:32:17,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-24 10:32:17,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-10-24 10:32:18,370 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:18,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035593576] [2021-10-24 10:32:18,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035593576] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:18,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1402216218] [2021-10-24 10:32:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:18,371 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:32:18,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:32:18,373 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:32:18,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-10-24 10:32:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:18,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:32:18,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:32:19,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 104 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:32:19,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1402216218] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:19,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515377132] [2021-10-24 10:32:19,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:19,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:32:19,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:32:19,718 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:32:19,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-24 10:32:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:20,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-24 10:32:20,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 118 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:32:20,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-10-24 10:32:21,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515377132] provided 1 perfect and 1 imperfect interpolant sequences [2021-10-24 10:32:21,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2021-10-24 10:32:21,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 5, 7, 7, 8] total 18 [2021-10-24 10:32:21,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222106614] [2021-10-24 10:32:21,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:32:21,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:21,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:32:21,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-10-24 10:32:21,072 INFO L87 Difference]: Start difference. First operand 310 states and 396 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:21,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:21,647 INFO L93 Difference]: Finished difference Result 1207 states and 1546 transitions. [2021-10-24 10:32:21,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-24 10:32:21,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 114 [2021-10-24 10:32:21,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:21,654 INFO L225 Difference]: With dead ends: 1207 [2021-10-24 10:32:21,654 INFO L226 Difference]: Without dead ends: 904 [2021-10-24 10:32:21,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 671 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 527.8ms TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2021-10-24 10:32:21,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2021-10-24 10:32:21,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 540. [2021-10-24 10:32:21,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 1.294990723562152) internal successors, (698), 539 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 698 transitions. [2021-10-24 10:32:21,740 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 698 transitions. Word has length 114 [2021-10-24 10:32:21,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:21,740 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 698 transitions. [2021-10-24 10:32:21,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 698 transitions. [2021-10-24 10:32:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-10-24 10:32:21,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:21,742 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:21,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:21,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-10-24 10:32:22,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2021-10-24 10:32:22,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:32:22,347 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:22,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:22,347 INFO L82 PathProgramCache]: Analyzing trace with hash 262479299, now seen corresponding path program 1 times [2021-10-24 10:32:22,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:22,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079844992] [2021-10-24 10:32:22,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:22,348 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:22,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:22,349 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:22,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-24 10:32:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:23,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:32:23,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-24 10:32:23,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-24 10:32:23,643 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:23,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1079844992] [2021-10-24 10:32:23,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1079844992] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:32:23,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:32:23,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-24 10:32:23,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370733331] [2021-10-24 10:32:23,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:32:23,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:23,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:32:23,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:32:23,646 INFO L87 Difference]: Start difference. First operand 540 states and 698 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:26,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:26,859 INFO L93 Difference]: Finished difference Result 1177 states and 1511 transitions. [2021-10-24 10:32:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:32:26,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 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 116 [2021-10-24 10:32:26,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:26,865 INFO L225 Difference]: With dead ends: 1177 [2021-10-24 10:32:26,865 INFO L226 Difference]: Without dead ends: 644 [2021-10-24 10:32:26,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 85.9ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-24 10:32:26,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2021-10-24 10:32:26,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 540. [2021-10-24 10:32:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 539 states have (on average 1.2782931354359925) internal successors, (689), 539 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 689 transitions. [2021-10-24 10:32:26,955 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 689 transitions. Word has length 116 [2021-10-24 10:32:26,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:26,955 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 689 transitions. [2021-10-24 10:32:26,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 8 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:26,956 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 689 transitions. [2021-10-24 10:32:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-24 10:32:26,958 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:32:26,958 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:32:26,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:27,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:32:27,166 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:32:27,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:32:27,166 INFO L82 PathProgramCache]: Analyzing trace with hash -990692583, now seen corresponding path program 1 times [2021-10-24 10:32:27,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:32:27,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381643856] [2021-10-24 10:32:27,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:27,167 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:32:27,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:32:27,168 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:32:27,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-24 10:32:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:27,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:32:27,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-24 10:32:28,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 38 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-24 10:32:28,647 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:32:28,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381643856] [2021-10-24 10:32:28,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381643856] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:28,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [663029045] [2021-10-24 10:32:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:28,647 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-24 10:32:28,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 [2021-10-24 10:32:28,648 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-24 10:32:28,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-10-24 10:32:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:29,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:32:29,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:32:29,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 107 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:32:30,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [663029045] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:30,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847365714] [2021-10-24 10:32:30,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:32:30,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-24 10:32:30,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:32:30,267 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-24 10:32:30,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-24 10:32:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:32:31,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 10:32:31,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:32:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 105 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:32:31,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:32:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 107 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-10-24 10:32:31,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847365714] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-24 10:32:31,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-24 10:32:31,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7, 7, 7, 7] total 18 [2021-10-24 10:32:31,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214755434] [2021-10-24 10:32:31,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-24 10:32:31,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:32:31,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-24 10:32:31,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-10-24 10:32:31,734 INFO L87 Difference]: Start difference. First operand 540 states and 689 transitions. Second operand has 18 states, 18 states have (on average 11.777777777777779) internal successors, (212), 18 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:39,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:32:39,567 INFO L93 Difference]: Finished difference Result 1120 states and 1430 transitions. [2021-10-24 10:32:39,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-24 10:32:39,568 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.777777777777779) internal successors, (212), 18 states have internal predecessors, (212), 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 117 [2021-10-24 10:32:39,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:32:39,569 INFO L225 Difference]: With dead ends: 1120 [2021-10-24 10:32:39,569 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:32:39,571 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 712 GetRequests, 685 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 375.8ms TimeCoverageRelationStatistics Valid=171, Invalid=641, Unknown=0, NotChecked=0, Total=812 [2021-10-24 10:32:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:32:39,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:32:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:32:39,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2021-10-24 10:32:39,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:32:39,572 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:32:39,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.777777777777779) internal successors, (212), 18 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:32:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:32:39,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:32:39,575 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:32:39,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:32:39,576 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:32:39,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:39,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:39,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-10-24 10:32:40,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/cvc4 --incremental --print-success --lang smt [2021-10-24 10:32:40,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:32:40,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:40,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:40,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:41,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,081 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:42,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:32:43,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:33:00,386 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-24 10:33:00,386 INFO L853 garLoopResultBuilder]: At program point L630(lines 623 633) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:33:00,386 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 623 633) the Hoare annotation is: false [2021-10-24 10:33:00,386 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 623 633) the Hoare annotation is: false [2021-10-24 10:33:00,386 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-24 10:33:00,386 INFO L857 garLoopResultBuilder]: For program point L845-1(lines 845 849) no Hoare annotation was computed. [2021-10-24 10:33:00,387 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:33:00,387 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-10-24 10:33:00,387 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-24 10:33:00,387 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2021-10-24 10:33:00,387 INFO L860 garLoopResultBuilder]: At program point L914-1(lines 914 921) the Hoare annotation is: true [2021-10-24 10:33:00,387 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2021-10-24 10:33:00,387 INFO L853 garLoopResultBuilder]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse17 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse16 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse13 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse17)) (.cse10 (= ~waterLevel~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse18 (not .cse6)) (.cse14 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse19 (not .cse4)) (.cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse8 .cse9 .cse7 .cse5) (and .cse0 .cse3 .cse10 .cse11 .cse9 .cse7 .cse5 .cse12) (and .cse0 .cse13 .cse14 .cse2 .cse3 .cse8 .cse15 .cse7 .cse16) (and .cse0 .cse13 .cse3 .cse10 .cse11 .cse15 .cse7 .cse16 .cse12) (and .cse0 .cse13 .cse2 .cse3 .cse7 .cse4 .cse6) (and .cse0 .cse1 .cse17 .cse18 .cse19 .cse3 .cse10 .cse11 .cse9 .cse5 .cse12) (and .cse0 .cse1 .cse17 .cse18 .cse14 .cse19 .cse2 .cse3 .cse8 .cse9 .cse5)))) [2021-10-24 10:33:00,387 INFO L857 garLoopResultBuilder]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2021-10-24 10:33:00,387 INFO L853 garLoopResultBuilder]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2021-10-24 10:33:00,388 INFO L857 garLoopResultBuilder]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2021-10-24 10:33:00,388 INFO L853 garLoopResultBuilder]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2021-10-24 10:33:00,388 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2021-10-24 10:33:00,388 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 568 585) no Hoare annotation was computed. [2021-10-24 10:33:00,388 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 585) no Hoare annotation was computed. [2021-10-24 10:33:00,388 INFO L853 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: false [2021-10-24 10:33:00,388 INFO L857 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2021-10-24 10:33:00,388 INFO L857 garLoopResultBuilder]: For program point L932-1(line 932) no Hoare annotation was computed. [2021-10-24 10:33:00,389 INFO L857 garLoopResultBuilder]: For program point L932-2(line 932) no Hoare annotation was computed. [2021-10-24 10:33:00,389 INFO L857 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2021-10-24 10:33:00,389 INFO L853 garLoopResultBuilder]: At program point L536(lines 532 554) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (let ((.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse13 (not .cse12)) (.cse14 (not .cse10)) (.cse8 (not .cse5)) (.cse9 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse11 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse15 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0)) (.cse17 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse1 .cse9 .cse2 .cse3 .cse10 .cse11 .cse12) (and .cse0 .cse7 .cse13 .cse14 .cse1 .cse9 .cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse3 .cse11) (and .cse0 .cse6 .cse1 .cse2 .cse4) (and .cse0 .cse7 .cse1 .cse9 .cse15 .cse16 .cse3 .cse11 .cse17) (and .cse0 .cse7 .cse13 .cse14 .cse8 .cse1 .cse9 .cse2 .cse3 .cse11) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse15 .cse16 .cse4 .cse17) (and .cse0 .cse1 .cse15 .cse16 .cse3 .cse4 .cse17)))) [2021-10-24 10:33:00,389 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 532 554) the Hoare annotation is: false [2021-10-24 10:33:00,389 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 532 554) the Hoare annotation is: false [2021-10-24 10:33:00,389 INFO L853 garLoopResultBuilder]: At program point L817(lines 1 984) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:33:00,389 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L853 garLoopResultBuilder]: At program point L702-1(lines 702 708) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2) (and .cse0 .cse1 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse2 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2))) [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2021-10-24 10:33:00,390 INFO L853 garLoopResultBuilder]: At program point L753-1(lines 753 759) the Hoare annotation is: (let ((.cse11 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse21 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse18 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse19 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not .cse12)) (.cse4 (not .cse11)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse20 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse15 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse11 .cse12) (and .cse0 .cse5 .cse13 .cse14 .cse9 .cse7 .cse10 .cse15) (and .cse0 .cse1 .cse16 .cse17 .cse5 .cse8 .cse18 .cse7 .cse19) (and .cse0 .cse2 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse5 .cse13 .cse14 .cse18 .cse7 .cse19 .cse15) (and .cse0 .cse1 .cse5 .cse14 .cse8 .cse6 .cse7 .cse15) (and .cse0 .cse20 .cse21 .cse3 .cse4 .cse5 .cse13 .cse14 .cse9 .cse10 .cse15) (and .cse0 .cse20 .cse21 .cse17 .cse5 .cse6 .cse11 .cse10 .cse12) (and .cse0 .cse20 .cse21 .cse3 .cse16 .cse4 .cse17 .cse5 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse20 .cse21 .cse3 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse20 .cse21 .cse5 .cse14 .cse8 .cse6 .cse10 .cse15)))) [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L572-1(lines 572 580) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 611) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L572-2(lines 572 580) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L605-4(lines 605 611) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-10-24 10:33:00,391 INFO L857 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2021-10-24 10:33:00,392 INFO L857 garLoopResultBuilder]: For program point L688-3(lines 688 692) no Hoare annotation was computed. [2021-10-24 10:33:00,392 INFO L857 garLoopResultBuilder]: For program point L688-5(lines 688 692) no Hoare annotation was computed. [2021-10-24 10:33:00,392 INFO L857 garLoopResultBuilder]: For program point L688-6(lines 688 692) no Hoare annotation was computed. [2021-10-24 10:33:00,392 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2021-10-24 10:33:00,392 INFO L857 garLoopResultBuilder]: For program point L688-8(lines 688 692) no Hoare annotation was computed. [2021-10-24 10:33:00,392 INFO L857 garLoopResultBuilder]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2021-10-24 10:33:00,392 INFO L857 garLoopResultBuilder]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2021-10-24 10:33:00,393 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2021-10-24 10:33:00,393 INFO L853 garLoopResultBuilder]: At program point L771-1(lines 1 984) the Hoare annotation is: (let ((.cse16 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse4 (not .cse16)) (.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse17 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (let ((.cse3 (not .cse17)) (.cse8 (or .cse4 .cse6)) (.cse11 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse9 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse15 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse10 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse14 (= ~waterLevel~0 (_ bv1 32))) (.cse7 (not (= ~systemActive~0 (_ bv0 32)))) (.cse13 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse5 .cse9 .cse10 .cse11 .cse7 .cse12 .cse13) (and .cse0 .cse5 .cse14 .cse15) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse8 .cse5 .cse14 .cse11 .cse7 .cse12) (and .cse0 .cse5 .cse9 .cse10 .cse15 .cse13) (and .cse0 .cse1 .cse5 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse9 .cse10 .cse7 .cse12 .cse13) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse16 .cse17) (and .cse0 .cse2 .cse5 .cse15) (and .cse0 .cse1 .cse5 .cse10 .cse14 .cse6 .cse7 .cse13))))) [2021-10-24 10:33:00,393 INFO L853 garLoopResultBuilder]: At program point L639(lines 634 642) the Hoare annotation is: (let ((.cse10 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (let ((.cse11 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse19 (not .cse10)) (.cse5 (not (= ~waterLevel~0 (_ bv3 32))))) (let ((.cse9 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse13 (or .cse19 .cse5)) (.cse15 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse16 (= ~waterLevel~0 (_ bv2 32))) (.cse12 (not .cse11)) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse17 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse14 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse18 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse5 .cse6 .cse10 .cse7 .cse11) (and .cse0 .cse1 .cse12 .cse13 .cse2 .cse14 .cse3 .cse15 .cse6 .cse7 .cse8) (and .cse0 .cse16 .cse17 .cse2 .cse18) (and .cse0 .cse1 .cse12 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse9 .cse13 .cse2 .cse4 .cse15 .cse6 .cse7) (and .cse0 .cse17 .cse2 .cse4 .cse18) (and .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse14 .cse3 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse16 .cse12 .cse19 .cse2 .cse6 .cse7) (and .cse0 .cse17 .cse2 .cse14 .cse3 .cse18 .cse8))))) [2021-10-24 10:33:00,393 INFO L853 garLoopResultBuilder]: At program point L639-1(lines 634 642) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse10 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse11 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse3 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse12 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~waterLevel~0 (_ bv0 32))) (.cse5 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse13 (= (_ bv0 32) ~pumpRunning~0)) (.cse8 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse2 .cse12 .cse13) (and .cse0 .cse1 .cse10 .cse11 .cse2 .cse3 .cse12 .cse6 .cse7) (and .cse0 .cse9 .cse2 .cse4 .cse5 .cse13 .cse8))) [2021-10-24 10:33:00,394 INFO L853 garLoopResultBuilder]: At program point L639-2(lines 634 642) the Hoare annotation is: false [2021-10-24 10:33:00,394 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:33:00,394 INFO L853 garLoopResultBuilder]: At program point L639-3(lines 634 642) the Hoare annotation is: false [2021-10-24 10:33:00,394 INFO L853 garLoopResultBuilder]: At program point L639-4(lines 634 642) the Hoare annotation is: false [2021-10-24 10:33:00,394 INFO L853 garLoopResultBuilder]: At program point L639-5(lines 634 642) the Hoare annotation is: false [2021-10-24 10:33:00,395 INFO L853 garLoopResultBuilder]: At program point L953(lines 536 542) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse8 (= ~waterLevel~0 (_ bv2 32))) (.cse16 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse15 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (= ~waterLevel~0 (_ bv1 32))) (.cse14 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse9 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse11 (= ~waterLevel~0 (_ bv0 32))) (.cse12 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse13 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse3 .cse10) (and .cse0 .cse9 .cse3 .cse5 .cse10) (and .cse0 .cse1 .cse3 .cse4 .cse11 .cse12 .cse6 .cse7 .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse14 .cse6 .cse15 .cse7 .cse16) (and .cse0 .cse1 .cse8 (not .cse16) (not .cse15) .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse12 .cse5 .cse14 .cse6 .cse7 .cse13) (and .cse0 .cse9 .cse3 .cse11 .cse12 .cse10 .cse13))) [2021-10-24 10:33:00,395 INFO L853 garLoopResultBuilder]: At program point L953-1(lines 536 542) the Hoare annotation is: false [2021-10-24 10:33:00,395 INFO L853 garLoopResultBuilder]: At program point L953-2(lines 536 542) the Hoare annotation is: false [2021-10-24 10:33:00,395 INFO L853 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse3 (not (= ~systemActive~0 (_ bv0 32)))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3 .cse4) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse2 .cse3 .cse4))) [2021-10-24 10:33:00,395 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: false [2021-10-24 10:33:00,395 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-10-24 10:33:00,396 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:33:00,396 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:33:00,396 INFO L853 garLoopResultBuilder]: At program point L889(lines 885 891) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:33:00,396 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-24 10:33:00,396 INFO L853 garLoopResultBuilder]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 (_ bv2 32))) (.cse14 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse15 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (let ((.cse9 (not .cse15)) (.cse10 (not .cse14)) (.cse16 (not .cse6)) (.cse11 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse13 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse7 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse12 (= ~waterLevel~0 (_ bv0 32))) (.cse17 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse18 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse8 (= (_ bv1 32) ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (not (= ~systemActive~0 (_ bv0 32))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse5) (and .cse0 .cse8 .cse9 .cse10 .cse1 .cse11 .cse12 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32)) .cse4 .cse13) (and .cse0 .cse7 .cse1 .cse2 .cse5) (and .cse0 .cse8 .cse1 .cse11 .cse2 .cse4 .cse14 .cse13 .cse15) (and .cse0 .cse8 .cse16 .cse1 .cse11 .cse12 .cse17 .cse4 .cse13 .cse18) (and .cse0 .cse8 .cse9 .cse10 .cse16 .cse1 .cse11 .cse2 .cse4 .cse13) (and .cse0 .cse1 .cse12 .cse17 .cse3 .cse4 .cse5 .cse18) (and .cse0 .cse6 .cse1 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse12 .cse17 .cse5 .cse18) (and .cse0 .cse8 .cse6 .cse1 .cse4)))) [2021-10-24 10:33:00,397 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 543 549) the Hoare annotation is: false [2021-10-24 10:33:00,397 INFO L853 garLoopResultBuilder]: At program point L543-2(lines 543 549) the Hoare annotation is: false [2021-10-24 10:33:00,397 INFO L860 garLoopResultBuilder]: At program point L923(lines 904 926) the Hoare annotation is: true [2021-10-24 10:33:00,397 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: false [2021-10-24 10:33:00,397 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:33:00,397 INFO L853 garLoopResultBuilder]: At program point L825(lines 820 828) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:33:00,398 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-10-24 10:33:00,398 INFO L857 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2021-10-24 10:33:00,398 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2021-10-24 10:33:00,398 INFO L853 garLoopResultBuilder]: At program point L743-1(lines 743 749) the Hoare annotation is: (let ((.cse11 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse12 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse21 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse18 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp___0~2 (_ bv1 32))) (.cse19 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse7 (not .cse21)) (.cse13 (= ~waterLevel~0 (_ bv0 32))) (.cse16 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse17 (= ~waterLevel~0 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (.cse9 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (not .cse12)) (.cse4 (not .cse11)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse20 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse5 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse14 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse8 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (not (= ~waterLevel~0 (_ bv3 32)))) (.cse10 (= (_ bv0 32) ~pumpRunning~0)) (.cse15 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse5 .cse8 .cse9 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse5 .cse7 .cse11 .cse12) (and .cse0 .cse5 .cse13 .cse14 .cse9 .cse7 .cse10 .cse15) (and .cse0 .cse1 .cse16 .cse17 .cse5 .cse8 .cse18 .cse7 .cse19) (and .cse0 .cse2 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse5 .cse13 .cse14 .cse18 .cse7 .cse19 .cse15) (and .cse0 .cse1 .cse5 .cse14 .cse8 .cse6 .cse7 .cse15) (and .cse0 .cse20 .cse21 .cse3 .cse4 .cse5 .cse13 .cse14 .cse9 .cse10 .cse15) (and .cse0 .cse20 .cse21 .cse17 .cse5 .cse6 .cse11 .cse10 .cse12) (and .cse0 .cse20 .cse21 .cse3 .cse16 .cse4 .cse17 .cse5 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse20 .cse21 .cse3 .cse4 .cse5 .cse6 .cse10) (and .cse0 .cse20 .cse21 .cse5 .cse14 .cse8 .cse6 .cse10 .cse15)))) [2021-10-24 10:33:00,398 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse4 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse9 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse7 (= (_ bv1 32) ~pumpRunning~0)) (.cse12 (= ~switchedOnBeforeTS~0 (_ bv1 32))) (.cse5 (not (= ~systemActive~0 (_ bv0 32)))) (.cse13 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse11 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse8 (= ~waterLevel~0 |ULTIMATE.start_getWaterLevel_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse10 (= ~waterLevel~0 (_ bv1 32))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse1 .cse5 .cse9) (and .cse0 .cse8 .cse1 .cse5 .cse9 .cse6) (and .cse0 .cse8 .cse1 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse11 .cse8 .cse1 .cse9 .cse6) (and .cse0 .cse7 .cse1 .cse12 .cse2 .cse3 .cse5 .cse13) (and .cse0 .cse7 .cse8 .cse1 .cse12 .cse10 .cse5 .cse13) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse0 .cse11 .cse8 .cse1 .cse10 .cse6))) [2021-10-24 10:33:00,399 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-10-24 10:33:00,399 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-10-24 10:33:00,399 INFO L853 garLoopResultBuilder]: At program point L694(lines 679 697) the Hoare annotation is: (let ((.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 (_ bv0 32)))) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32))) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32))) (.cse5 (bvslt ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse6 (not (= ~systemActive~0 (_ bv0 32)))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse6 .cse7 (= (_ bv0 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse5 .cse6 .cse7) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse6 .cse7))) [2021-10-24 10:33:00,399 INFO L853 garLoopResultBuilder]: At program point L694-1(lines 679 697) the Hoare annotation is: false [2021-10-24 10:33:00,399 INFO L853 garLoopResultBuilder]: At program point L694-2(lines 679 697) the Hoare annotation is: false [2021-10-24 10:33:00,400 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (not (= ~systemActive~0 (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:33:00,400 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-24 10:33:00,400 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-24 10:33:00,400 INFO L853 garLoopResultBuilder]: At program point L943(lines 938 945) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:33:00,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:33:00,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:33:00 BoogieIcfgContainer [2021-10-24 10:33:00,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:33:00,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:33:00,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:33:00,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:33:00,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:31:56" (3/4) ... [2021-10-24 10:33:00,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:33:00,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:33:00,490 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:33:00,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:33:00,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:33:00,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:33:00,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:33:00,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:33:00,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:33:00,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:33:00,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:33:00,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == tmp) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp) || ((((((splverifierCounter == 0bv32 && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:33:00,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-24 10:33:00,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-24 10:33:00,521 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp) [2021-10-24 10:33:00,521 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:33:00,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-24 10:33:00,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-24 10:33:00,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-24 10:33:00,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) [2021-10-24 10:33:00,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-24 10:33:00,524 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:33:00,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) [2021-10-24 10:33:00,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) [2021-10-24 10:33:00,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:33:00,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning [2021-10-24 10:33:00,565 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:33:00,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:33:00,567 INFO L168 Benchmark]: Toolchain (without parser) took 67221.55 ms. Allocated memory was 58.7 MB in the beginning and 226.5 MB in the end (delta: 167.8 MB). Free memory was 35.4 MB in the beginning and 115.6 MB in the end (delta: -80.2 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:33:00,568 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:33:00,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.44 ms. Allocated memory is still 58.7 MB. Free memory was 35.1 MB in the beginning and 26.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:33:00,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.80 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.1 MB in the beginning and 57.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:33:00,569 INFO L168 Benchmark]: Boogie Preprocessor took 44.43 ms. Allocated memory is still 77.6 MB. Free memory was 57.5 MB in the beginning and 55.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:33:00,569 INFO L168 Benchmark]: RCFGBuilder took 2554.15 ms. Allocated memory is still 77.6 MB. Free memory was 55.0 MB in the beginning and 52.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:33:00,570 INFO L168 Benchmark]: TraceAbstraction took 63744.05 ms. Allocated memory was 77.6 MB in the beginning and 226.5 MB in the end (delta: 148.9 MB). Free memory was 52.3 MB in the beginning and 125.0 MB in the end (delta: -72.7 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.1 GB. [2021-10-24 10:33:00,570 INFO L168 Benchmark]: Witness Printer took 98.08 ms. Allocated memory is still 226.5 MB. Free memory was 124.0 MB in the beginning and 115.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:33:00,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.44 ms. Allocated memory is still 58.7 MB. Free memory was 35.1 MB in the beginning and 26.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.80 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 26.1 MB in the beginning and 57.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.43 ms. Allocated memory is still 77.6 MB. Free memory was 57.5 MB in the beginning and 55.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2554.15 ms. Allocated memory is still 77.6 MB. Free memory was 55.0 MB in the beginning and 52.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 63744.05 ms. Allocated memory was 77.6 MB in the beginning and 226.5 MB in the end (delta: 148.9 MB). Free memory was 52.3 MB in the beginning and 125.0 MB in the end (delta: -72.7 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.1 GB. * Witness Printer took 98.08 ms. Allocated memory is still 226.5 MB. Free memory was 124.0 MB in the beginning and 115.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: 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, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 63605.1ms, OverallIterations: 14, TraceHistogramMax: 5, EmptinessCheckTime: 43.0ms, AutomataDifference: 20088.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 20194.8ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1425 SDtfs, 2905 SDslu, 3861 SDs, 0 SdLazy, 620 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18067.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2901 GetRequests, 2779 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 1460.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred in iteration=12, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 508.3ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1281 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 396 NumberOfFragments, 2787 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1761391 FormulaSimplificationTreeSizeReduction, 3643.3ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 743738 FormulaSimplificationTreeSizeReductionInter, 16533.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 548.9ms SsaConstructionTime, 2357.6ms SatisfiabilityAnalysisTime, 9130.9ms InterpolantComputationTime, 1435 NumberOfCodeBlocks, 1435 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2828 ConstructedInterpolants, 0 QuantifiedInterpolants, 5101 SizeOfPredicates, 61 NumberOfNonLiveVariables, 5512 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 42 InterpolantComputations, 23 PerfectInterpolantSequences, 2704/2866 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == tmp) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp) || ((((((splverifierCounter == 0bv32 && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || ((((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && \result == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: ((((((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && waterLevel == tmp) && \result == 1bv32) && !(waterLevel == 3bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning) && 2bv32 == tmp)) || ((((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && waterLevel == \result) && !(2bv32 == \result)) && waterLevel == tmp) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 0bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 0bv32) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && waterLevel == \result) && waterLevel == tmp) && (!(2bv32 == \result) || !(waterLevel == 3bv32))) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 2bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 0bv32 == tmp) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && ~bvslt32(waterLevel, 2bv32)) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && waterLevel == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) || (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (((((((((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == \result) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == tmp) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && 0bv32 == \result) && waterLevel == 1bv32) && !(waterLevel == 3bv32)) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && 0bv32 == pumpRunning)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 2bv32 == \result) && 1bv32 == \result) && 2bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && tmp___0 == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning)) || ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 1bv32 == \result) && 0bv32 == tmp)) || (((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && !(2bv32 == tmp)) && !(2bv32 == \result)) && !(waterLevel == 2bv32)) && \result == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && !(systemActive == 0bv32)) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && 0bv32 == pumpRunning) && 0bv32 == tmp)) || ((((((splverifierCounter == 0bv32 && \result == 1bv32) && waterLevel == 0bv32) && 0bv32 == \result) && !(systemActive == 0bv32)) && 0bv32 == pumpRunning) && 0bv32 == tmp) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:33:00,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d9b43f4-455d-458f-8cfb-2cec67bd3b1e/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...