./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:33:50,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:33:50,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:33:50,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:33:50,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:33:50,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:33:50,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:33:50,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:33:50,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:33:50,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:33:50,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:33:50,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:33:50,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:33:50,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:33:50,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:33:50,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:33:50,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:33:50,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:33:50,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:33:50,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:33:50,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:33:50,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:33:50,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:33:50,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:33:50,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:33:50,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:33:50,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:33:50,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:33:50,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:33:50,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:33:50,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:33:50,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:33:50,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:33:50,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:33:50,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:33:50,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:33:50,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:33:50,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:33:50,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:33:50,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:33:50,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:33:50,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:33:51,004 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:33:51,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:33:51,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:33:51,012 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:33:51,012 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:33:51,013 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:33:51,013 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:33:51,013 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:33:51,013 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:33:51,014 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:33:51,014 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:33:51,014 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:33:51,014 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:33:51,015 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:33:51,015 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:33:51,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:33:51,016 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:33:51,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:33:51,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:33:51,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:33:51,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:33:51,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:33:51,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:33:51,018 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:33:51,018 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:33:51,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:33:51,018 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:33:51,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:33:51,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:33:51,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:33:51,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:33:51,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:33:51,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:33:51,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:33:51,020 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:33:51,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:33:51,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:33:51,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:33:51,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:33:51,022 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_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab [2021-11-07 01:33:51,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:33:51,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:33:51,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:33:51,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:33:51,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:33:51,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2021-11-07 01:33:51,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/e80f1c998/dd454827eb6e494092d46230126f2558/FLAGa26653691 [2021-11-07 01:33:52,126 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:33:52,128 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2021-11-07 01:33:52,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/e80f1c998/dd454827eb6e494092d46230126f2558/FLAGa26653691 [2021-11-07 01:33:52,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/e80f1c998/dd454827eb6e494092d46230126f2558 [2021-11-07 01:33:52,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:33:52,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:33:52,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:33:52,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:33:52,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:33:52,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:33:52" (1/1) ... [2021-11-07 01:33:52,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39243e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:52, skipping insertion in model container [2021-11-07 01:33:52,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:33:52" (1/1) ... [2021-11-07 01:33:52,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:33:52,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:33:52,785 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_7bc2a84c-4285-4038-ae2f-dc56f96834cc/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2021-11-07 01:33:52,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:33:52,815 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:33:52,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c3bab91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:52, skipping insertion in model container [2021-11-07 01:33:52,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:33:52,817 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:33:52,819 INFO L168 Benchmark]: Toolchain (without parser) took 372.41 ms. Allocated memory is still 86.0 MB. Free memory was 58.4 MB in the beginning and 55.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:52,820 INFO L168 Benchmark]: CDTParser took 1.73 ms. Allocated memory is still 86.0 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:33:52,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.02 ms. Allocated memory is still 86.0 MB. Free memory was 58.3 MB in the beginning and 55.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:33:52,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73 ms. Allocated memory is still 86.0 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 370.02 ms. Allocated memory is still 86.0 MB. Free memory was 58.3 MB in the beginning and 55.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 164]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:33:55,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:33:55,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:33:55,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:33:55,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:33:55,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:33:55,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:33:55,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:33:55,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:33:55,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:33:55,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:33:55,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:33:55,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:33:55,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:33:55,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:33:55,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:33:55,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:33:55,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:33:55,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:33:55,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:33:55,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:33:55,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:33:55,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:33:55,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:33:55,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:33:55,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:33:55,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:33:55,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:33:55,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:33:55,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:33:55,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:33:55,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:33:55,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:33:55,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:33:55,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:33:55,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:33:55,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:33:55,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:33:55,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:33:55,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:33:55,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:33:55,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:33:55,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:33:55,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:33:55,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:33:55,205 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:33:55,206 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:33:55,206 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:33:55,206 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:33:55,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:33:55,207 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:33:55,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:33:55,208 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:33:55,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:33:55,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:33:55,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:33:55,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:33:55,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:33:55,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:33:55,209 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:33:55,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:33:55,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:33:55,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:33:55,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:33:55,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:33:55,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:33:55,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:33:55,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:33:55,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:33:55,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:33:55,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:33:55,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:33:55,212 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:33:55,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:33:55,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:33:55,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:33:55,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:33:55,213 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_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab [2021-11-07 01:33:55,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:33:55,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:33:55,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:33:55,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:33:55,636 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:33:55,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2021-11-07 01:33:55,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/4322e2279/7e652e49e0064c2ea1f2001e07b49176/FLAG0208d0850 [2021-11-07 01:33:56,329 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:33:56,330 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2021-11-07 01:33:56,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/4322e2279/7e652e49e0064c2ea1f2001e07b49176/FLAG0208d0850 [2021-11-07 01:33:56,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/data/4322e2279/7e652e49e0064c2ea1f2001e07b49176 [2021-11-07 01:33:56,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:33:56,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:33:56,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:33:56,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:33:56,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:33:56,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:33:56" (1/1) ... [2021-11-07 01:33:56,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2293dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:56, skipping insertion in model container [2021-11-07 01:33:56,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:33:56" (1/1) ... [2021-11-07 01:33:56,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:33:56,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:33:57,121 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_7bc2a84c-4285-4038-ae2f-dc56f96834cc/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2021-11-07 01:33:57,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:33:57,156 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:33:57,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:33:57,212 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_7bc2a84c-4285-4038-ae2f-dc56f96834cc/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2021-11-07 01:33:57,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:33:57,257 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:33:57,352 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_7bc2a84c-4285-4038-ae2f-dc56f96834cc/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2021-11-07 01:33:57,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:33:57,400 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:33:57,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57 WrapperNode [2021-11-07 01:33:57,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:33:57,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:33:57,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:33:57,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:33:57,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:33:57,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:33:57,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:33:57,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:33:57,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:33:57,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:33:57,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:33:57,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:33:57,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (1/1) ... [2021-11-07 01:33:57,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:33:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:33:57,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:33:57,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:33:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:33:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:33:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:33:57,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:33:59,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:33:59,729 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-11-07 01:33:59,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:59 BoogieIcfgContainer [2021-11-07 01:33:59,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:33:59,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:33:59,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:33:59,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:33:59,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:33:56" (1/3) ... [2021-11-07 01:33:59,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5392b060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:59, skipping insertion in model container [2021-11-07 01:33:59,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:57" (2/3) ... [2021-11-07 01:33:59,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5392b060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:59, skipping insertion in model container [2021-11-07 01:33:59,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:59" (3/3) ... [2021-11-07 01:33:59,740 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2021-11-07 01:33:59,745 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:33:59,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:33:59,793 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:33:59,799 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:33:59,799 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:33:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 61 states have (on average 1.5737704918032787) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:33:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:33:59,820 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:33:59,821 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:33:59,822 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:33:59,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:33:59,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1390476085, now seen corresponding path program 1 times [2021-11-07 01:33:59,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:33:59,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [625100509] [2021-11-07 01:33:59,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:33:59,843 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:33:59,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:33:59,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:33:59,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:34:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:00,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:34:00,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:00,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:00,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:00,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [625100509] [2021-11-07 01:34:00,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [625100509] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:00,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:00,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:34:00,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089193094] [2021-11-07 01:34:00,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:34:00,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:00,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:34:00,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:34:00,309 INFO L87 Difference]: Start difference. First operand has 65 states, 61 states have (on average 1.5737704918032787) internal successors, (96), 64 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:00,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:00,332 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2021-11-07 01:34:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:34:00,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:34:00,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:00,344 INFO L225 Difference]: With dead ends: 124 [2021-11-07 01:34:00,344 INFO L226 Difference]: Without dead ends: 61 [2021-11-07 01:34:00,347 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:34:00,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-07 01:34:00,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-07 01:34:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 60 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2021-11-07 01:34:00,385 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2021-11-07 01:34:00,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:00,385 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2021-11-07 01:34:00,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:00,386 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2021-11-07 01:34:00,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:34:00,387 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:00,387 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:00,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:00,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:00,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:00,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:00,606 INFO L85 PathProgramCache]: Analyzing trace with hash -963834589, now seen corresponding path program 1 times [2021-11-07 01:34:00,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:00,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806781362] [2021-11-07 01:34:00,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:00,608 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:00,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:00,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:00,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:34:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:00,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:00,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:00,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:00,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:00,988 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:00,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806781362] [2021-11-07 01:34:01,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806781362] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:01,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:01,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:01,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952048056] [2021-11-07 01:34:01,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:34:01,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:01,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:34:01,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:01,007 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:01,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:01,033 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2021-11-07 01:34:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:34:01,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:34:01,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:01,035 INFO L225 Difference]: With dead ends: 61 [2021-11-07 01:34:01,035 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 01:34:01,036 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:01,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 01:34:01,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 01:34:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 30 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-11-07 01:34:01,059 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2021-11-07 01:34:01,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:01,060 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-11-07 01:34:01,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-11-07 01:34:01,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:34:01,061 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:01,061 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:01,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:01,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:01,262 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:01,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:01,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1411810197, now seen corresponding path program 1 times [2021-11-07 01:34:01,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:01,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071104667] [2021-11-07 01:34:01,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:01,264 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:01,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:01,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:01,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:34:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:01,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:34:01,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:01,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:01,675 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:01,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071104667] [2021-11-07 01:34:01,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071104667] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:01,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:01,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:34:01,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459477302] [2021-11-07 01:34:01,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:34:01,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:34:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:01,684 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:01,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:01,744 INFO L93 Difference]: Finished difference Result 106 states and 154 transitions. [2021-11-07 01:34:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:34:01,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:34:01,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:01,746 INFO L225 Difference]: With dead ends: 106 [2021-11-07 01:34:01,746 INFO L226 Difference]: Without dead ends: 81 [2021-11-07 01:34:01,746 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:34:01,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-07 01:34:01,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 52. [2021-11-07 01:34:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-11-07 01:34:01,756 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2021-11-07 01:34:01,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:01,756 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-11-07 01:34:01,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:01,757 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-11-07 01:34:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:34:01,758 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:01,758 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:01,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:01,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:01,970 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:01,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:01,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1755761006, now seen corresponding path program 1 times [2021-11-07 01:34:01,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:01,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128599032] [2021-11-07 01:34:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:01,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:01,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:01,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:01,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:34:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:34:02,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:34:02,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:34:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:02,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:34:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:34:02,405 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:34:02,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128599032] [2021-11-07 01:34:02,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128599032] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:34:02,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:34:02,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:34:02,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084301544] [2021-11-07 01:34:02,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:34:02,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:34:02,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:34:02,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:34:02,407 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:02,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:34:02,755 INFO L93 Difference]: Finished difference Result 506 states and 780 transitions. [2021-11-07 01:34:02,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:34:02,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:34:02,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:34:02,764 INFO L225 Difference]: With dead ends: 506 [2021-11-07 01:34:02,764 INFO L226 Difference]: Without dead ends: 460 [2021-11-07 01:34:02,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:34:02,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-11-07 01:34:02,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 130. [2021-11-07 01:34:02,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-11-07 01:34:02,810 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 24 [2021-11-07 01:34:02,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:34:02,811 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-11-07 01:34:02,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:34:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-11-07 01:34:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:34:02,813 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:34:02,813 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:34:02,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-07 01:34:03,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:03,037 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:34:03,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:34:03,038 INFO L85 PathProgramCache]: Analyzing trace with hash 120698128, now seen corresponding path program 1 times [2021-11-07 01:34:03,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:34:03,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103510083] [2021-11-07 01:34:03,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:34:03,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:34:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:34:03,040 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:34:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:34:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:34:04,067 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:34:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:34:05,216 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:34:05,216 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:34:05,217 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:34:05,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:34:05,219 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:34:05,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:34:05,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:34:05,442 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:34:05,445 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:34:05,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:34:05 BoogieIcfgContainer [2021-11-07 01:34:05,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:34:05,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:34:05,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:34:05,558 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:34:05,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:59" (3/4) ... [2021-11-07 01:34:05,560 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:34:05,672 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:34:05,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:34:05,674 INFO L168 Benchmark]: Toolchain (without parser) took 8956.97 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 31.2 MB in the beginning and 67.4 MB in the end (delta: -36.2 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:05,674 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 35.4 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:34:05,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.67 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.0 MB in the beginning and 42.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:05,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.41 ms. Allocated memory is still 73.4 MB. Free memory was 41.8 MB in the beginning and 39.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:05,676 INFO L168 Benchmark]: Boogie Preprocessor took 70.87 ms. Allocated memory is still 73.4 MB. Free memory was 39.1 MB in the beginning and 37.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:05,676 INFO L168 Benchmark]: RCFGBuilder took 2156.87 ms. Allocated memory is still 73.4 MB. Free memory was 37.1 MB in the beginning and 48.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:05,677 INFO L168 Benchmark]: TraceAbstraction took 5823.64 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.5 MB in the beginning and 42.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:05,677 INFO L168 Benchmark]: Witness Printer took 114.73 ms. Allocated memory is still 88.1 MB. Free memory was 42.3 MB in the beginning and 67.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:34:05,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 35.4 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 683.67 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.0 MB in the beginning and 42.0 MB in the end (delta: -11.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.41 ms. Allocated memory is still 73.4 MB. Free memory was 41.8 MB in the beginning and 39.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.87 ms. Allocated memory is still 73.4 MB. Free memory was 39.1 MB in the beginning and 37.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2156.87 ms. Allocated memory is still 73.4 MB. Free memory was 37.1 MB in the beginning and 48.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5823.64 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.5 MB in the beginning and 42.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * Witness Printer took 114.73 ms. Allocated memory is still 88.1 MB. Free memory was 42.3 MB in the beginning and 67.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 643]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L827] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L829] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] tmp = __VERIFIER_nondet_int() [L837] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L812] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L701] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L662] tmp___0 = getWaterLevel() [L664] COND TRUE tmp___0 == 2 [L749] int retValue_acc ; [L752] retValue_acc = pumpRunning [L753] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L666] tmp___1 = isPumpRunning() [L668] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 643]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 643]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 240 SDtfs, 583 SDslu, 463 SDs, 0 SdLazy, 90 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 359 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 4 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 RESULT: Ultimate proved your program to be incorrect! [2021-11-07 01:34:05,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bc2a84c-4285-4038-ae2f-dc56f96834cc/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE