./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 ............................................................................................................................................ 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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:57:13,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:57:13,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:57:13,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:57:13,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:57:13,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:57:13,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:57:13,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:57:13,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:57:13,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:57:13,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:57:13,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:57:13,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:57:13,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:57:13,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:57:13,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:57:13,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:57:13,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:57:13,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:57:13,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:57:13,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:57:13,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:57:13,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:57:13,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:57:13,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:57:13,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:57:13,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:57:13,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:57:13,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:57:13,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:57:13,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:57:13,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:57:13,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:57:13,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:57:13,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:57:13,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:57:13,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:57:13,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:57:13,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:57:13,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:57:13,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:57:13,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:57:13,934 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:57:13,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:57:13,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:57:13,938 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:57:13,939 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:57:13,939 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:57:13,939 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:57:13,943 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:57:13,943 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:57:13,943 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:57:13,944 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:57:13,944 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:57:13,944 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:57:13,944 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:57:13,945 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:57:13,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:57:13,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:57:13,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:57:13,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:57:13,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:57:13,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:57:13,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:57:13,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:57:13,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:57:13,947 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:57:13,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:57:13,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:57:13,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:57:13,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:57:13,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:57:13,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:57:13,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:57:13,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:57:13,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:57:13,949 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:57:13,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:57:13,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:57:13,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:57:13,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:57:13,950 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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 [2021-10-24 10:57:14,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:57:14,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:57:14,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:57:14,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:57:14,370 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:57:14,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-24 10:57:14,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/5f6a3e6ce/d5f9c17234554de0b8976e88e2e2e529/FLAG360fbc509 [2021-10-24 10:57:15,098 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:57:15,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-24 10:57:15,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/5f6a3e6ce/d5f9c17234554de0b8976e88e2e2e529/FLAG360fbc509 [2021-10-24 10:57:15,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/5f6a3e6ce/d5f9c17234554de0b8976e88e2e2e529 [2021-10-24 10:57:15,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:57:15,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:57:15,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:57:15,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:57:15,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:57:15,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:15" (1/1) ... [2021-10-24 10:57:15,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325baa2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:15, skipping insertion in model container [2021-10-24 10:57:15,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:15" (1/1) ... [2021-10-24 10:57:15,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:57:15,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:57:15,725 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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-24 10:57:15,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:57:15,833 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 10:57:15,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40f68b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:15, skipping insertion in model container [2021-10-24 10:57:15,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:57:15,835 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:57:15,847 INFO L168 Benchmark]: Toolchain (without parser) took 403.74 ms. Allocated memory is still 100.7 MB. Free memory was 60.4 MB in the beginning and 72.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:15,848 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 78.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:57:15,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.18 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 72.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:15,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory is still 78.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.18 ms. Allocated memory is still 100.7 MB. Free memory was 60.2 MB in the beginning and 72.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 314]: 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 10:57:18,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:57:18,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:57:18,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:57:18,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:57:18,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:57:18,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:57:18,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:57:18,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:57:18,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:57:18,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:57:18,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:57:18,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:57:18,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:57:18,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:57:18,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:57:18,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:57:18,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:57:18,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:57:18,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:57:18,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:57:18,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:57:18,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:57:18,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:57:18,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:57:18,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:57:18,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:57:18,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:57:18,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:57:18,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:57:18,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:57:18,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:57:18,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:57:18,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:57:18,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:57:18,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:57:18,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:57:18,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:57:18,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:57:18,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:57:18,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:57:18,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:57:18,215 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:57:18,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:57:18,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:57:18,217 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:57:18,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:57:18,217 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:57:18,217 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:57:18,218 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:57:18,218 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:57:18,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:57:18,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:57:18,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:57:18,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:57:18,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:57:18,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:57:18,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:57:18,222 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:57:18,222 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:57:18,222 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:57:18,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:57:18,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:57:18,223 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:57:18,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:57:18,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:57:18,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:57:18,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:57:18,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:57:18,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:57:18,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:57:18,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:57:18,225 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:57:18,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:57:18,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:57:18,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:57:18,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:57:18,226 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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 [2021-10-24 10:57:18,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:57:18,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:57:18,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:57:18,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:57:18,669 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:57:18,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-24 10:57:18,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/0b0aa815e/f094193c73c6435eb47efcf3b62df550/FLAGcd50e512a [2021-10-24 10:57:19,287 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:57:19,287 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2021-10-24 10:57:19,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/0b0aa815e/f094193c73c6435eb47efcf3b62df550/FLAGcd50e512a [2021-10-24 10:57:19,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/data/0b0aa815e/f094193c73c6435eb47efcf3b62df550 [2021-10-24 10:57:19,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:57:19,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:57:19,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:57:19,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:57:19,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:57:19,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:19" (1/1) ... [2021-10-24 10:57:19,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebb41ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:19, skipping insertion in model container [2021-10-24 10:57:19,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:19" (1/1) ... [2021-10-24 10:57:19,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:57:19,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:57:19,795 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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-24 10:57:19,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:57:19,936 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:57:19,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:57:19,972 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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-24 10:57:20,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:57:20,029 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:57:20,043 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_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2021-10-24 10:57:20,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:57:20,106 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:57:20,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20 WrapperNode [2021-10-24 10:57:20,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:57:20,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:57:20,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:57:20,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:57:20,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:57:20,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:57:20,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:57:20,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:57:20,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:57:20,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:57:20,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:57:20,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:57:20,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (1/1) ... [2021-10-24 10:57:20,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:57:20,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:57:20,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:57:20,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:57:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:57:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:57:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:57:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:57:22,407 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:57:22,408 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-24 10:57:22,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:57:22 BoogieIcfgContainer [2021-10-24 10:57:22,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:57:22,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:57:22,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:57:22,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:57:22,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:57:19" (1/3) ... [2021-10-24 10:57:22,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baadbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:57:22, skipping insertion in model container [2021-10-24 10:57:22,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:20" (2/3) ... [2021-10-24 10:57:22,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4baadbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:57:22, skipping insertion in model container [2021-10-24 10:57:22,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:57:22" (3/3) ... [2021-10-24 10:57:22,420 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2021-10-24 10:57:22,425 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:57:22,425 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:57:22,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:57:22,494 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 10:57:22,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:57:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 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 10:57:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:57:22,531 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:57:22,531 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:57:22,532 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 10:57:22,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:57:22,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1951915580, now seen corresponding path program 1 times [2021-10-24 10:57:22,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:57:22,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [959080001] [2021-10-24 10:57:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:57:22,552 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:57:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:57:22,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:57:22,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:57:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:57:22,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:57:22,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:57:22,888 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 10:57:22,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:57:22,972 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 10:57:22,973 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:57:22,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [959080001] [2021-10-24 10:57:22,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [959080001] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:57:22,974 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:57:22,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:57:22,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36548726] [2021-10-24 10:57:22,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:57:22,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:57:23,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:57:23,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:57:23,004 INFO L87 Difference]: Start difference. First operand has 73 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 72 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) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 10:57:23,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:57:23,041 INFO L93 Difference]: Finished difference Result 139 states and 210 transitions. [2021-10-24 10:57:23,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:57:23,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-24 10:57:23,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:57:23,052 INFO L225 Difference]: With dead ends: 139 [2021-10-24 10:57:23,052 INFO L226 Difference]: Without dead ends: 69 [2021-10-24 10:57:23,055 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 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 10:57:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-24 10:57:23,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-24 10:57:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 68 states have internal predecessors, (97), 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 10:57:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-10-24 10:57:23,102 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2021-10-24 10:57:23,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:57:23,103 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-24 10:57:23,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 10:57:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2021-10-24 10:57:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:57:23,105 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:57:23,105 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 10:57:23,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:57:23,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:57:23,316 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 10:57:23,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:57:23,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2124215747, now seen corresponding path program 1 times [2021-10-24 10:57:23,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:57:23,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185477423] [2021-10-24 10:57:23,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:57:23,318 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:57:23,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:57:23,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:57:23,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:57:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:57:23,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:57:23,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:57:23,564 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 10:57:23,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:57:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:57:23,622 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:57:23,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185477423] [2021-10-24 10:57:23,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185477423] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:57:23,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:57:23,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:57:23,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807650703] [2021-10-24 10:57:23,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:57:23,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:57:23,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:57:23,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:57:23,630 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 10:57:23,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:57:23,656 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2021-10-24 10:57:23,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:57:23,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 10:57:23,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:57:23,660 INFO L225 Difference]: With dead ends: 69 [2021-10-24 10:57:23,660 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:57:23,662 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:57:23,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:57:23,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:57:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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 10:57:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-24 10:57:23,672 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2021-10-24 10:57:23,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:57:23,672 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-24 10:57:23,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 10:57:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-24 10:57:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:57:23,673 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:57:23,673 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] [2021-10-24 10:57:23,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:57:23,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:57:23,874 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 10:57:23,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:57:23,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1287067830, now seen corresponding path program 1 times [2021-10-24 10:57:23,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:57:23,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335229052] [2021-10-24 10:57:23,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:57:23,876 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:57:23,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:57:23,886 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:57:23,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:57:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:57:24,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:57:24,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:57:24,226 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 10:57:24,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:57:24,348 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 10:57:24,348 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:57:24,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335229052] [2021-10-24 10:57:24,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335229052] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:57:24,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:57:24,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:57:24,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927476580] [2021-10-24 10:57:24,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:57:24,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:57:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:57:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:57:24,351 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 10:57:24,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:57:24,363 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2021-10-24 10:57:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:57:24,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:57:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:57:24,365 INFO L225 Difference]: With dead ends: 59 [2021-10-24 10:57:24,365 INFO L226 Difference]: Without dead ends: 33 [2021-10-24 10:57:24,366 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:57:24,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-24 10:57:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-24 10:57:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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 10:57:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-24 10:57:24,373 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2021-10-24 10:57:24,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:57:24,374 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-24 10:57:24,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 10:57:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-24 10:57:24,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-24 10:57:24,376 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:57:24,376 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:57:24,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:57:24,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:57:24,588 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 10:57:24,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:57:24,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1176085081, now seen corresponding path program 1 times [2021-10-24 10:57:24,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:57:24,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592818026] [2021-10-24 10:57:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:57:24,590 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:57:24,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:57:24,596 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:57:24,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:57:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:57:24,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:57:24,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:57:24,934 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 10:57:24,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:57:25,051 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 10:57:25,051 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:57:25,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592818026] [2021-10-24 10:57:25,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592818026] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:57:25,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:57:25,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:57:25,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883426204] [2021-10-24 10:57:25,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:57:25,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:57:25,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:57:25,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:57:25,054 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:57:25,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:57:25,173 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2021-10-24 10:57:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:57:25,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-24 10:57:25,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:57:25,177 INFO L225 Difference]: With dead ends: 135 [2021-10-24 10:57:25,177 INFO L226 Difference]: Without dead ends: 109 [2021-10-24 10:57:25,178 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:57:25,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-24 10:57:25,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2021-10-24 10:57:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:57:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2021-10-24 10:57:25,203 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2021-10-24 10:57:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:57:25,208 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-10-24 10:57:25,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:57:25,213 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-10-24 10:57:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:57:25,214 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:57:25,214 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 10:57:25,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:57:25,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:57:25,426 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 10:57:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:57:25,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1281855185, now seen corresponding path program 1 times [2021-10-24 10:57:25,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:57:25,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260766391] [2021-10-24 10:57:25,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:57:25,428 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:57:25,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:57:25,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:57:25,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:57:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:57:25,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:57:25,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:57:25,693 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 10:57:25,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:57:25,763 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 10:57:25,763 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:57:25,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260766391] [2021-10-24 10:57:25,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260766391] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:57:25,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:57:25,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:57:25,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311764232] [2021-10-24 10:57:25,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:57:25,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:57:25,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:57:25,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:57:25,766 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 10:57:25,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:57:25,858 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2021-10-24 10:57:25,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:57:25,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 10:57:25,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:57:25,859 INFO L225 Difference]: With dead ends: 146 [2021-10-24 10:57:25,859 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:57:25,860 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:57:25,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:57:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:57:25,861 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 10:57:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:57:25,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-24 10:57:25,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:57:25,861 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:57:25,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 10:57:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:57:25,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:57:25,864 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:57:25,865 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:57:25,865 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:57:25,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:57:26,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:57:26,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:57:26,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:57:26,378 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-24 10:57:26,379 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:57:26,379 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:57:26,379 INFO L857 garLoopResultBuilder]: For program point L697-3(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:57:26,379 INFO L857 garLoopResultBuilder]: For program point L697-6(lines 697 701) no Hoare annotation was computed. [2021-10-24 10:57:26,379 INFO L853 garLoopResultBuilder]: At program point L236(lines 229 239) the Hoare annotation is: false [2021-10-24 10:57:26,380 INFO L853 garLoopResultBuilder]: At program point L236-1(lines 229 239) the Hoare annotation is: false [2021-10-24 10:57:26,380 INFO L853 garLoopResultBuilder]: At program point L236-2(lines 229 239) the Hoare annotation is: false [2021-10-24 10:57:26,380 INFO L853 garLoopResultBuilder]: At program point L734(lines 729 737) the Hoare annotation is: false [2021-10-24 10:57:26,380 INFO L853 garLoopResultBuilder]: At program point L734-1(lines 729 737) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,380 INFO L853 garLoopResultBuilder]: At program point L734-2(lines 729 737) the Hoare annotation is: false [2021-10-24 10:57:26,380 INFO L857 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2021-10-24 10:57:26,381 INFO L853 garLoopResultBuilder]: At program point L734-3(lines 729 737) the Hoare annotation is: false [2021-10-24 10:57:26,381 INFO L857 garLoopResultBuilder]: For program point L123-1(line 123) no Hoare annotation was computed. [2021-10-24 10:57:26,381 INFO L853 garLoopResultBuilder]: At program point L734-4(lines 729 737) the Hoare annotation is: false [2021-10-24 10:57:26,381 INFO L853 garLoopResultBuilder]: At program point L734-5(lines 729 737) the Hoare annotation is: false [2021-10-24 10:57:26,381 INFO L857 garLoopResultBuilder]: For program point L123-2(line 123) no Hoare annotation was computed. [2021-10-24 10:57:26,381 INFO L853 garLoopResultBuilder]: At program point L685(lines 680 688) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,381 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2021-10-24 10:57:26,382 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 74 80) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,382 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:57:26,382 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-24 10:57:26,382 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 192) no Hoare annotation was computed. [2021-10-24 10:57:26,382 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 175 192) no Hoare annotation was computed. [2021-10-24 10:57:26,382 INFO L857 garLoopResultBuilder]: For program point L175-2(lines 175 192) no Hoare annotation was computed. [2021-10-24 10:57:26,382 INFO L860 garLoopResultBuilder]: At program point L902(lines 883 905) the Hoare annotation is: true [2021-10-24 10:57:26,383 INFO L853 garLoopResultBuilder]: At program point L869(lines 865 871) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,383 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2021-10-24 10:57:26,383 INFO L853 garLoopResultBuilder]: At program point L143(lines 142 161) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,383 INFO L853 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2021-10-24 10:57:26,383 INFO L857 garLoopResultBuilder]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2021-10-24 10:57:26,383 INFO L853 garLoopResultBuilder]: At program point L143-2(lines 142 161) the Hoare annotation is: false [2021-10-24 10:57:26,383 INFO L853 garLoopResultBuilder]: At program point L143-3(lines 142 161) the Hoare annotation is: false [2021-10-24 10:57:26,384 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2021-10-24 10:57:26,384 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:57:26,384 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 805) no Hoare annotation was computed. [2021-10-24 10:57:26,384 INFO L853 garLoopResultBuilder]: At program point L788-1(lines 1 905) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,384 INFO L853 garLoopResultBuilder]: At program point L821-2(lines 821 835) the Hoare annotation is: false [2021-10-24 10:57:26,384 INFO L857 garLoopResultBuilder]: For program point L788-2(lines 788 805) no Hoare annotation was computed. [2021-10-24 10:57:26,384 INFO L853 garLoopResultBuilder]: At program point L788-3(lines 1 905) the Hoare annotation is: false [2021-10-24 10:57:26,384 INFO L857 garLoopResultBuilder]: For program point L788-4(lines 788 805) no Hoare annotation was computed. [2021-10-24 10:57:26,384 INFO L853 garLoopResultBuilder]: At program point L788-5(lines 1 905) the Hoare annotation is: false [2021-10-24 10:57:26,384 INFO L857 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2021-10-24 10:57:26,385 INFO L853 garLoopResultBuilder]: At program point L245(lines 240 248) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,385 INFO L853 garLoopResultBuilder]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2021-10-24 10:57:26,385 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 187) no Hoare annotation was computed. [2021-10-24 10:57:26,385 INFO L853 garLoopResultBuilder]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2021-10-24 10:57:26,385 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 179 187) no Hoare annotation was computed. [2021-10-24 10:57:26,385 INFO L857 garLoopResultBuilder]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2021-10-24 10:57:26,385 INFO L857 garLoopResultBuilder]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-10-24 10:57:26,385 INFO L857 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2021-10-24 10:57:26,385 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:57:26,385 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 829) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L792(lines 792 802) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L825-1(lines 143 149) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L792-2(lines 792 802) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L792-4(lines 792 802) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L853 garLoopResultBuilder]: At program point L677(lines 1 905) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L793-2(lines 793 799) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L857 garLoopResultBuilder]: For program point L793-4(lines 793 799) no Hoare annotation was computed. [2021-10-24 10:57:26,386 INFO L853 garLoopResultBuilder]: At program point L777(lines 772 779) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,387 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-10-24 10:57:26,387 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 143 149) no Hoare annotation was computed. [2021-10-24 10:57:26,387 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 900) no Hoare annotation was computed. [2021-10-24 10:57:26,387 INFO L860 garLoopResultBuilder]: At program point L893-1(lines 893 900) the Hoare annotation is: true [2021-10-24 10:57:26,387 INFO L853 garLoopResultBuilder]: At program point L150(lines 150 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,387 INFO L853 garLoopResultBuilder]: At program point L150-1(lines 150 156) the Hoare annotation is: false [2021-10-24 10:57:26,387 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2021-10-24 10:57:26,388 INFO L853 garLoopResultBuilder]: At program point L150-2(lines 150 156) the Hoare annotation is: false [2021-10-24 10:57:26,388 INFO L853 garLoopResultBuilder]: At program point L84-1(lines 84 90) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:57:26,392 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:57:26,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:57:26 BoogieIcfgContainer [2021-10-24 10:57:26,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:57:26,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:57:26,409 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:57:26,409 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:57:26,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:57:22" (3/4) ... [2021-10-24 10:57:26,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:57:26,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:57:26,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:57:26,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:57:26,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:57:26,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:57:26,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:57:26,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:57:26,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-10-24 10:57:26,490 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:57:26,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:57:26,491 INFO L168 Benchmark]: Toolchain (without parser) took 6910.02 ms. Allocated memory was 75.5 MB in the beginning and 113.2 MB in the end (delta: 37.7 MB). Free memory was 56.0 MB in the beginning and 77.3 MB in the end (delta: -21.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:26,492 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:57:26,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.23 ms. Allocated memory is still 75.5 MB. Free memory was 55.8 MB in the beginning and 46.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:26,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.98 ms. Allocated memory is still 75.5 MB. Free memory was 46.7 MB in the beginning and 43.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:26,493 INFO L168 Benchmark]: Boogie Preprocessor took 45.28 ms. Allocated memory is still 75.5 MB. Free memory was 43.8 MB in the beginning and 41.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:26,493 INFO L168 Benchmark]: RCFGBuilder took 2195.96 ms. Allocated memory was 75.5 MB in the beginning and 113.2 MB in the end (delta: 37.7 MB). Free memory was 41.4 MB in the beginning and 77.2 MB in the end (delta: -35.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:26,494 INFO L168 Benchmark]: TraceAbstraction took 3996.98 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 83.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:26,494 INFO L168 Benchmark]: Witness Printer took 81.09 ms. Allocated memory is still 113.2 MB. Free memory was 83.6 MB in the beginning and 77.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:57:26,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.23 ms. Allocated memory is still 75.5 MB. Free memory was 55.8 MB in the beginning and 46.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.98 ms. Allocated memory is still 75.5 MB. Free memory was 46.7 MB in the beginning and 43.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.28 ms. Allocated memory is still 75.5 MB. Free memory was 43.8 MB in the beginning and 41.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2195.96 ms. Allocated memory was 75.5 MB in the beginning and 113.2 MB in the end (delta: 37.7 MB). Free memory was 41.4 MB in the beginning and 77.2 MB in the end (delta: -35.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3996.98 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 83.6 MB in the end (delta: -7.0 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * Witness Printer took 81.09 ms. Allocated memory is still 113.2 MB. Free memory was 83.6 MB in the beginning and 77.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 123]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 123]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 123]: 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, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3906.0ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 26.1ms, AutomataDifference: 342.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 296.2ms, InitialAbstractionConstructionTime: 15.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 303 SDtfs, 309 SDslu, 255 SDs, 0 SdLazy, 57 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 95.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 76.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 66 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 1088 FormulaSimplificationTreeSizeReduction, 186.3ms HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 101.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 109.6ms SsaConstructionTime, 536.0ms SatisfiabilityAnalysisTime, 988.4ms InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 410 SizeOfPredicates, 7 NumberOfNonLiveVariables, 988 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 729]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-24 10:57:26,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73fae6fa-e41a-428b-b404-6a5cfcb6e6c8/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...