./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.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_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/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_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/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_f57fd30a-309a-437e-82a5-ce724011979b/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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc ............................................................................................................................................ 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_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/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_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/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_f57fd30a-309a-437e-82a5-ce724011979b/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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:37:44,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:37:44,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:37:44,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:37:44,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:37:44,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:37:44,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:37:44,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:37:44,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:37:44,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:37:44,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:37:44,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:37:44,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:37:44,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:37:44,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:37:44,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:37:44,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:37:44,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:37:44,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:37:44,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:37:44,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:37:44,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:37:44,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:37:44,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:37:44,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:37:44,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:37:44,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:37:44,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:37:44,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:37:44,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:37:44,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:37:44,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:37:44,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:37:44,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:37:44,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:37:44,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:37:44,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:37:44,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:37:44,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:37:44,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:37:44,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:37:44,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:37:45,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:37:45,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:37:45,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:37:45,025 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:37:45,025 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:37:45,026 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:37:45,026 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:37:45,026 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:37:45,032 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:37:45,033 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:37:45,034 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:37:45,034 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:37:45,035 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:37:45,035 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:37:45,035 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:37:45,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:37:45,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:37:45,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:37:45,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:37:45,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:37:45,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:37:45,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:37:45,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:37:45,038 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:37:45,039 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:37:45,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:37:45,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:37:45,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:37:45,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:37:45,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:37:45,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:37:45,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:37:45,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:37:45,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:37:45,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:37:45,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:37:45,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:37:45,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:37:45,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:37:45,044 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_f57fd30a-309a-437e-82a5-ce724011979b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2021-10-24 10:37:45,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:37:45,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:37:45,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:37:45,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:37:45,303 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:37:45,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-24 10:37:45,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/f2f842f16/1b2ca8bf463a4d9cbf7d088136c36586/FLAGd5012c834 [2021-10-24 10:37:45,895 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:37:45,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-24 10:37:45,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/f2f842f16/1b2ca8bf463a4d9cbf7d088136c36586/FLAGd5012c834 [2021-10-24 10:37:46,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/f2f842f16/1b2ca8bf463a4d9cbf7d088136c36586 [2021-10-24 10:37:46,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:37:46,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:37:46,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:37:46,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:37:46,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:37:46,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:37:46" (1/1) ... [2021-10-24 10:37:46,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb51238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:46, skipping insertion in model container [2021-10-24 10:37:46,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:37:46" (1/1) ... [2021-10-24 10:37:46,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:37:46,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:37:46,468 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_f57fd30a-309a-437e-82a5-ce724011979b/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-10-24 10:37:46,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:37:46,582 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 10:37:46,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c2b8ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:46, skipping insertion in model container [2021-10-24 10:37:46,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:37:46,583 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:37:46,585 INFO L168 Benchmark]: Toolchain (without parser) took 363.45 ms. Allocated memory is still 102.8 MB. Free memory was 67.5 MB in the beginning and 73.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:46,586 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:37:46,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.73 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 73.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:46,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 102.8 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.73 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 73.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 347]: 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 10:37:48,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:37:48,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:37:48,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:37:48,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:37:48,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:37:48,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:37:48,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:37:48,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:37:48,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:37:48,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:37:48,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:37:48,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:37:48,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:37:48,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:37:48,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:37:48,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:37:48,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:37:48,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:37:48,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:37:48,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:37:48,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:37:48,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:37:48,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:37:48,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:37:48,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:37:48,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:37:48,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:37:48,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:37:48,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:37:48,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:37:48,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:37:48,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:37:48,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:37:48,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:37:48,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:37:48,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:37:48,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:37:48,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:37:48,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:37:48,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:37:48,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:37:49,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:37:49,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:37:49,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:37:49,014 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:37:49,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:37:49,015 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:37:49,015 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:37:49,015 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:37:49,016 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:37:49,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:37:49,019 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:37:49,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:37:49,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:37:49,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:37:49,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:37:49,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:37:49,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:37:49,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:37:49,021 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:37:49,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:37:49,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:37:49,021 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:37:49,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:37:49,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:37:49,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:37:49,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:37:49,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:37:49,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:37:49,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:37:49,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:37:49,024 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:37:49,024 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:37:49,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:37:49,024 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:37:49,025 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:37:49,025 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_f57fd30a-309a-437e-82a5-ce724011979b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2021-10-24 10:37:49,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:37:49,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:37:49,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:37:49,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:37:49,415 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:37:49,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-24 10:37:49,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/5814c1d7e/95fb31f6092240c9888617fb8722b0a8/FLAGaed4e4a33 [2021-10-24 10:37:50,143 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:37:50,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-10-24 10:37:50,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/5814c1d7e/95fb31f6092240c9888617fb8722b0a8/FLAGaed4e4a33 [2021-10-24 10:37:50,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/data/5814c1d7e/95fb31f6092240c9888617fb8722b0a8 [2021-10-24 10:37:50,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:37:50,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:37:50,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:37:50,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:37:50,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:37:50,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:37:50" (1/1) ... [2021-10-24 10:37:50,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a98d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:50, skipping insertion in model container [2021-10-24 10:37:50,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:37:50" (1/1) ... [2021-10-24 10:37:50,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:37:50,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:37:50,655 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_f57fd30a-309a-437e-82a5-ce724011979b/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-10-24 10:37:50,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:37:50,825 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:37:50,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:37:50,839 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_f57fd30a-309a-437e-82a5-ce724011979b/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-10-24 10:37:50,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:37:50,920 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:37:50,940 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_f57fd30a-309a-437e-82a5-ce724011979b/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-10-24 10:37:51,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:37:51,036 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:37:51,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51 WrapperNode [2021-10-24 10:37:51,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:37:51,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:37:51,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:37:51,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:37:51,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:37:51,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:37:51,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:37:51,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:37:51,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:37:51,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:37:51,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:37:51,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:37:51,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (1/1) ... [2021-10-24 10:37:51,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:37:51,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:37:51,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:37:51,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:37:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:37:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:37:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:37:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:37:53,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:37:53,491 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-24 10:37:53,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:37:53 BoogieIcfgContainer [2021-10-24 10:37:53,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:37:53,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:37:53,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:37:53,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:37:53,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:37:50" (1/3) ... [2021-10-24 10:37:53,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5162bfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:37:53, skipping insertion in model container [2021-10-24 10:37:53,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:37:51" (2/3) ... [2021-10-24 10:37:53,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5162bfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:37:53, skipping insertion in model container [2021-10-24 10:37:53,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:37:53" (3/3) ... [2021-10-24 10:37:53,501 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-10-24 10:37:53,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:37:53,506 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:37:53,553 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:37:53,559 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 10:37:53,559 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:37:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 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 10:37:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-24 10:37:53,589 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:53,590 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:37:53,590 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 10:37:53,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:53,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1613004623, now seen corresponding path program 1 times [2021-10-24 10:37:53,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:37:53,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873003516] [2021-10-24 10:37:53,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:53,614 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:37:53,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:37:53,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:37:53,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:37:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:53,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:37:53,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:53,976 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 10:37:53,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:54,049 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 10:37:54,050 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:37:54,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873003516] [2021-10-24 10:37:54,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873003516] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:54,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:37:54,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:37:54,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288199140] [2021-10-24 10:37:54,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:37:54,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:37:54,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:37:54,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:37:54,080 INFO L87 Difference]: Start difference. First operand has 77 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 76 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:54,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:54,102 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2021-10-24 10:37:54,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:37:54,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-24 10:37:54,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:54,113 INFO L225 Difference]: With dead ends: 148 [2021-10-24 10:37:54,113 INFO L226 Difference]: Without dead ends: 73 [2021-10-24 10:37:54,116 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 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 10:37:54,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-24 10:37:54,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-24 10:37:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.457142857142857) internal successors, (102), 72 states have internal predecessors, (102), 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 10:37:54,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-24 10:37:54,151 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2021-10-24 10:37:54,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:54,152 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-24 10:37:54,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-24 10:37:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-24 10:37:54,153 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:54,153 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:37:54,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 10:37:54,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:37:54,358 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 10:37:54,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:54,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1635205776, now seen corresponding path program 1 times [2021-10-24 10:37:54,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:37:54,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030974774] [2021-10-24 10:37:54,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:54,367 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:37:54,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:37:54,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:37:54,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:37:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:54,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:37:54,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:54,744 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 10:37:54,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:54,812 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 10:37:54,812 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:37:54,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030974774] [2021-10-24 10:37:54,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030974774] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:54,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:37:54,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:37:54,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492755041] [2021-10-24 10:37:54,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:37:54,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:37:54,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:37:54,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:37:54,817 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:54,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:54,840 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2021-10-24 10:37:54,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:37:54,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-24 10:37:54,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:54,843 INFO L225 Difference]: With dead ends: 73 [2021-10-24 10:37:54,843 INFO L226 Difference]: Without dead ends: 35 [2021-10-24 10:37:54,844 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:37:54,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-24 10:37:54,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-24 10:37:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 34 states have internal predecessors, (49), 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 10:37:54,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-24 10:37:54,859 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2021-10-24 10:37:54,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:54,860 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-24 10:37:54,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-24 10:37:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-24 10:37:54,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:54,868 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] [2021-10-24 10:37:54,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-24 10:37:55,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:37:55,080 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 10:37:55,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:55,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2021-10-24 10:37:55,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:37:55,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283256027] [2021-10-24 10:37:55,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:55,082 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:37:55,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:37:55,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:37:55,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:37:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:55,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:37:55,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:55,409 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 10:37:55,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:55,503 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 10:37:55,504 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:37:55,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283256027] [2021-10-24 10:37:55,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283256027] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:55,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:37:55,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:37:55,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235928043] [2021-10-24 10:37:55,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:37:55,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:37:55,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:37:55,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:37:55,519 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:55,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:55,548 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2021-10-24 10:37:55,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:37:55,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-24 10:37:55,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:55,551 INFO L225 Difference]: With dead ends: 116 [2021-10-24 10:37:55,553 INFO L226 Difference]: Without dead ends: 87 [2021-10-24 10:37:55,554 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:37:55,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-24 10:37:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 54. [2021-10-24 10:37:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 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 10:37:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2021-10-24 10:37:55,566 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 22 [2021-10-24 10:37:55,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:55,567 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2021-10-24 10:37:55,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2021-10-24 10:37:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 10:37:55,571 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:55,571 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] [2021-10-24 10:37:55,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:37:55,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:37:55,778 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 10:37:55,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:55,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2021-10-24 10:37:55,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:37:55,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845509131] [2021-10-24 10:37:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:55,780 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:37:55,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:37:55,784 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:37:55,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:37:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:55,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:37:55,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:56,086 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 10:37:56,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:56,164 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 10:37:56,165 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:37:56,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845509131] [2021-10-24 10:37:56,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845509131] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:56,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:37:56,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-10-24 10:37:56,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298385406] [2021-10-24 10:37:56,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:37:56,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:37:56,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:37:56,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:37:56,168 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:56,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:56,278 INFO L93 Difference]: Finished difference Result 256 states and 391 transitions. [2021-10-24 10:37:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-24 10:37:56,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-24 10:37:56,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:56,285 INFO L225 Difference]: With dead ends: 256 [2021-10-24 10:37:56,286 INFO L226 Difference]: Without dead ends: 208 [2021-10-24 10:37:56,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 40.1ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-24 10:37:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-24 10:37:56,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 96. [2021-10-24 10:37:56,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 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 10:37:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2021-10-24 10:37:56,321 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 23 [2021-10-24 10:37:56,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:56,321 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2021-10-24 10:37:56,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2021-10-24 10:37:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:37:56,323 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:37:56,323 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 10:37:56,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-24 10:37:56,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:37:56,524 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 10:37:56,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:37:56,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1060203461, now seen corresponding path program 1 times [2021-10-24 10:37:56,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:37:56,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138812219] [2021-10-24 10:37:56,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:37:56,526 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:37:56,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:37:56,527 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:37:56,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:37:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:37:56,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:37:56,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:37:56,833 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 10:37:56,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:37:56,899 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 10:37:56,899 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:37:56,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138812219] [2021-10-24 10:37:56,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138812219] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:37:56,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:37:56,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-24 10:37:56,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026252904] [2021-10-24 10:37:56,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-24 10:37:56,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:37:56,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-24 10:37:56,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-24 10:37:56,902 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:57,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:37:57,001 INFO L93 Difference]: Finished difference Result 286 states and 425 transitions. [2021-10-24 10:37:57,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-24 10:37:57,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:37:57,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:37:57,003 INFO L225 Difference]: With dead ends: 286 [2021-10-24 10:37:57,003 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 10:37:57,004 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-24 10:37:57,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 10:37:57,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 10:37:57,005 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 10:37:57,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 10:37:57,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-24 10:37:57,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:37:57,006 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 10:37:57,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:37:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 10:37:57,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 10:37:57,008 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:37:57,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:37:57,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:37:57,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:37:57,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:37:57,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 10:37:57,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 10:37:57,594 INFO L853 garLoopResultBuilder]: At program point L762(lines 761 780) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,594 INFO L857 garLoopResultBuilder]: For program point L762-1(lines 762 768) no Hoare annotation was computed. [2021-10-24 10:37:57,594 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 10:37:57,594 INFO L853 garLoopResultBuilder]: At program point L762-2(lines 761 780) the Hoare annotation is: false [2021-10-24 10:37:57,595 INFO L853 garLoopResultBuilder]: At program point L762-3(lines 761 780) the Hoare annotation is: false [2021-10-24 10:37:57,595 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2021-10-24 10:37:57,595 INFO L853 garLoopResultBuilder]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,595 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 10:37:57,595 INFO L857 garLoopResultBuilder]: For program point L697(lines 696 743) no Hoare annotation was computed. [2021-10-24 10:37:57,595 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 215) no Hoare annotation was computed. [2021-10-24 10:37:57,595 INFO L853 garLoopResultBuilder]: At program point L202-1(lines 1 938) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,595 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 215) no Hoare annotation was computed. [2021-10-24 10:37:57,595 INFO L853 garLoopResultBuilder]: At program point L202-3(lines 1 938) the Hoare annotation is: false [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L202-4(lines 202 215) no Hoare annotation was computed. [2021-10-24 10:37:57,596 INFO L853 garLoopResultBuilder]: At program point L202-5(lines 1 938) the Hoare annotation is: false [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 702) no Hoare annotation was computed. [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L236-1(lines 762 768) no Hoare annotation was computed. [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L798(lines 798 806) no Hoare annotation was computed. [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L798-1(lines 798 806) no Hoare annotation was computed. [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-10-24 10:37:57,596 INFO L857 garLoopResultBuilder]: For program point L798-2(lines 798 806) no Hoare annotation was computed. [2021-10-24 10:37:57,597 INFO L853 garLoopResultBuilder]: At program point L732-1(lines 762 768) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,597 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:37:57,597 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:37:57,597 INFO L857 garLoopResultBuilder]: For program point L914-3(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:37:57,597 INFO L857 garLoopResultBuilder]: For program point L914-5(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:37:57,597 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-10-24 10:37:57,597 INFO L857 garLoopResultBuilder]: For program point L914-6(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:37:57,597 INFO L853 garLoopResultBuilder]: At program point L716-1(lines 716 722) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,598 INFO L857 garLoopResultBuilder]: For program point L914-8(lines 914 918) no Hoare annotation was computed. [2021-10-24 10:37:57,598 INFO L853 garLoopResultBuilder]: At program point L865(lines 860 868) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,598 INFO L853 garLoopResultBuilder]: At program point L865-1(lines 860 868) the Hoare annotation is: false [2021-10-24 10:37:57,598 INFO L853 garLoopResultBuilder]: At program point L865-2(lines 860 868) the Hoare annotation is: false [2021-10-24 10:37:57,598 INFO L853 garLoopResultBuilder]: At program point L188(lines 183 191) the Hoare annotation is: false [2021-10-24 10:37:57,598 INFO L853 garLoopResultBuilder]: At program point L188-1(lines 183 191) the Hoare annotation is: false [2021-10-24 10:37:57,598 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 126) no Hoare annotation was computed. [2021-10-24 10:37:57,598 INFO L853 garLoopResultBuilder]: At program point L188-2(lines 183 191) the Hoare annotation is: false [2021-10-24 10:37:57,599 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2021-10-24 10:37:57,599 INFO L860 garLoopResultBuilder]: At program point L305-1(lines 305 312) the Hoare annotation is: true [2021-10-24 10:37:57,599 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 212) no Hoare annotation was computed. [2021-10-24 10:37:57,599 INFO L857 garLoopResultBuilder]: For program point L206-2(lines 206 212) no Hoare annotation was computed. [2021-10-24 10:37:57,599 INFO L857 garLoopResultBuilder]: For program point L206-4(lines 206 212) no Hoare annotation was computed. [2021-10-24 10:37:57,599 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 10:37:57,599 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 938) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,599 INFO L853 garLoopResultBuilder]: At program point L769(lines 769 775) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,600 INFO L853 garLoopResultBuilder]: At program point L769-1(lines 769 775) the Hoare annotation is: false [2021-10-24 10:37:57,600 INFO L853 garLoopResultBuilder]: At program point L769-2(lines 769 775) the Hoare annotation is: false [2021-10-24 10:37:57,600 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-24 10:37:57,600 INFO L857 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2021-10-24 10:37:57,600 INFO L857 garLoopResultBuilder]: For program point L92-2(line 92) no Hoare annotation was computed. [2021-10-24 10:37:57,600 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 10:37:57,600 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 114) no Hoare annotation was computed. [2021-10-24 10:37:57,600 INFO L857 garLoopResultBuilder]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2021-10-24 10:37:57,601 INFO L857 garLoopResultBuilder]: For program point L110-6(lines 110 114) no Hoare annotation was computed. [2021-10-24 10:37:57,601 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-24 10:37:57,601 INFO L853 garLoopResultBuilder]: At program point L920(lines 905 923) the Hoare annotation is: false [2021-10-24 10:37:57,607 INFO L853 garLoopResultBuilder]: At program point L920-1(lines 905 923) the Hoare annotation is: false [2021-10-24 10:37:57,607 INFO L853 garLoopResultBuilder]: At program point L920-2(lines 905 923) the Hoare annotation is: false [2021-10-24 10:37:57,607 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 712) no Hoare annotation was computed. [2021-10-24 10:37:57,608 INFO L853 garLoopResultBuilder]: At program point L706-1(lines 706 712) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,608 INFO L853 garLoopResultBuilder]: At program point L147(lines 142 150) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,608 INFO L853 garLoopResultBuilder]: At program point L147-1(lines 142 150) the Hoare annotation is: false [2021-10-24 10:37:57,609 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 142 150) the Hoare annotation is: false [2021-10-24 10:37:57,609 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-24 10:37:57,609 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-24 10:37:57,609 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 739) no Hoare annotation was computed. [2021-10-24 10:37:57,609 INFO L860 garLoopResultBuilder]: At program point L314(lines 295 317) the Hoare annotation is: true [2021-10-24 10:37:57,609 INFO L853 garLoopResultBuilder]: At program point L281(lines 277 283) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,611 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~methaneLevelCritical~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-24 10:37:57,611 INFO L853 garLoopResultBuilder]: At program point L744(lines 695 745) the Hoare annotation is: false [2021-10-24 10:37:57,611 INFO L853 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: false [2021-10-24 10:37:57,612 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 811) no Hoare annotation was computed. [2021-10-24 10:37:57,612 INFO L857 garLoopResultBuilder]: For program point L794-1(lines 794 811) no Hoare annotation was computed. [2021-10-24 10:37:57,612 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 811) no Hoare annotation was computed. [2021-10-24 10:37:57,612 INFO L857 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2021-10-24 10:37:57,612 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2021-10-24 10:37:57,617 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:37:57,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:37:57 BoogieIcfgContainer [2021-10-24 10:37:57,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:37:57,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:37:57,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:37:57,638 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:37:57,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:37:53" (3/4) ... [2021-10-24 10:37:57,643 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 10:37:57,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-24 10:37:57,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-24 10:37:57,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-24 10:37:57,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-24 10:37:57,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 10:37:57,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:37:57,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 10:37:57,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-10-24 10:37:57,751 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:37:57,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:37:57,772 INFO L168 Benchmark]: Toolchain (without parser) took 7333.16 ms. Allocated memory was 56.6 MB in the beginning and 98.6 MB in the end (delta: 41.9 MB). Free memory was 33.1 MB in the beginning and 76.9 MB in the end (delta: -43.8 MB). Peak memory consumption was 48.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:57,773 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:37:57,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.58 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 32.8 MB in the beginning and 50.0 MB in the end (delta: -17.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:57,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.06 ms. Allocated memory is still 81.8 MB. Free memory was 50.0 MB in the beginning and 46.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:57,774 INFO L168 Benchmark]: Boogie Preprocessor took 52.78 ms. Allocated memory is still 81.8 MB. Free memory was 46.9 MB in the beginning and 44.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:57,775 INFO L168 Benchmark]: RCFGBuilder took 2342.28 ms. Allocated memory is still 81.8 MB. Free memory was 44.6 MB in the beginning and 39.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:57,775 INFO L168 Benchmark]: TraceAbstraction took 4142.35 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 38.9 MB in the beginning and 32.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:57,775 INFO L168 Benchmark]: Witness Printer took 132.74 ms. Allocated memory is still 98.6 MB. Free memory was 32.4 MB in the beginning and 76.9 MB in the end (delta: -44.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:37:57,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 597.58 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 32.8 MB in the beginning and 50.0 MB in the end (delta: -17.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.06 ms. Allocated memory is still 81.8 MB. Free memory was 50.0 MB in the beginning and 46.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.78 ms. Allocated memory is still 81.8 MB. Free memory was 46.9 MB in the beginning and 44.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2342.28 ms. Allocated memory is still 81.8 MB. Free memory was 44.6 MB in the beginning and 39.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4142.35 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 38.9 MB in the beginning and 32.4 MB in the end (delta: 6.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * Witness Printer took 132.74 ms. Allocated memory is still 98.6 MB. Free memory was 32.4 MB in the beginning and 76.9 MB in the end (delta: -44.5 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: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: 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, 77 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4065.3ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 17.5ms, AutomataDifference: 355.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 363.8ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 333 SDtfs, 385 SDslu, 401 SDs, 0 SdLazy, 50 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 88.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 84.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 82.6ms AutomataMinimizationTime, 5 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3757 FormulaSimplificationTreeSizeReduction, 273.1ms HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 82.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 147.6ms SsaConstructionTime, 648.2ms SatisfiabilityAnalysisTime, 904.3ms InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 7 NumberOfNonLiveVariables, 973 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: 860]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning RESULT: Ultimate proved your program to be correct! [2021-10-24 10:37:57,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f57fd30a-309a-437e-82a5-ce724011979b/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...