./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:50:56,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:50:56,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:50:56,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:50:56,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:50:56,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:50:56,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:50:56,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:50:56,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:50:56,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:50:56,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:50:56,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:50:56,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:50:56,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:50:56,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:50:56,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:50:56,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:50:56,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:50:56,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:50:56,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:50:56,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:50:56,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:50:56,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:50:56,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:50:56,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:50:56,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:50:56,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:50:56,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:50:56,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:50:56,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:50:56,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:50:56,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:50:56,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:50:56,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:50:56,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:50:56,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:50:56,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:50:56,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:50:56,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:50:56,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:50:56,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:50:56,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:50:56,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:50:56,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:50:56,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:50:56,991 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:50:56,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:50:56,991 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:50:56,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:50:56,997 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:50:56,997 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:50:56,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:50:56,999 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:50:56,999 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:50:56,999 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:50:56,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:50:56,999 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:50:57,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:50:57,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:50:57,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:50:57,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:50:57,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:50:57,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:50:57,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:50:57,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:50:57,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:50:57,002 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:50:57,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:50:57,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:50:57,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:50:57,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:50:57,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:50:57,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:50:57,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:50:57,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:50:57,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:50:57,005 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:50:57,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:50:57,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:50:57,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:50:57,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:50:57,006 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_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 [2021-10-24 10:50:57,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:50:57,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:50:57,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:50:57,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:50:57,280 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:50:57,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-24 10:50:57,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/251226dca/2859e4140601406a8839d8ffd648da91/FLAG9949d5185 [2021-10-24 10:50:57,821 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:50:57,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-24 10:50:57,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/251226dca/2859e4140601406a8839d8ffd648da91/FLAG9949d5185 [2021-10-24 10:50:57,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/251226dca/2859e4140601406a8839d8ffd648da91 [2021-10-24 10:50:57,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:50:57,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:50:57,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:57,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:50:57,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:50:57,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:57" (1/1) ... [2021-10-24 10:50:57,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419d7927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:57, skipping insertion in model container [2021-10-24 10:50:57,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:50:57" (1/1) ... [2021-10-24 10:50:57,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:50:57,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:50:58,129 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_eb311da3-cfca-4547-98a8-9ca68b78c548/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-24 10:50:58,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:50:58,288 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-24 10:50:58,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6006da0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:50:58, skipping insertion in model container [2021-10-24 10:50:58,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:50:58,289 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:50:58,291 INFO L168 Benchmark]: Toolchain (without parser) took 438.54 ms. Allocated memory is still 119.5 MB. Free memory was 78.1 MB in the beginning and 91.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:58,293 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 119.5 MB. Free memory was 95.5 MB in the beginning and 95.4 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:50:58,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.14 ms. Allocated memory is still 119.5 MB. Free memory was 78.0 MB in the beginning and 91.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:50:58,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 119.5 MB. Free memory was 95.5 MB in the beginning and 95.4 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 436.14 ms. Allocated memory is still 119.5 MB. Free memory was 78.0 MB in the beginning and 91.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 183]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:51:00,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:51:00,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:51:00,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:51:00,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:51:00,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:51:00,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:51:00,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:51:00,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:51:00,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:51:00,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:51:00,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:51:00,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:51:00,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:51:00,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:51:00,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:51:00,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:51:00,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:51:00,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:51:00,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:51:00,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:51:00,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:51:00,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:51:00,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:51:00,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:51:00,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:51:00,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:51:00,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:51:00,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:51:00,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:51:00,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:51:00,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:51:00,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:51:00,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:51:00,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:51:00,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:51:00,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:51:00,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:51:00,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:51:00,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:51:00,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:51:00,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 10:51:00,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:51:00,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:51:00,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:51:00,538 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:51:00,538 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:51:00,538 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:51:00,538 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:51:00,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:51:00,539 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:51:00,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:51:00,541 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:51:00,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:51:00,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:51:00,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:51:00,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:51:00,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:51:00,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:51:00,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:51:00,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:51:00,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:51:00,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:51:00,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:51:00,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:51:00,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:51:00,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:51:00,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:51:00,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:51:00,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:51:00,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:51:00,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:51:00,545 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:51:00,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:51:00,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:51:00,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:51:00,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:51:00,546 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_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b1e1d3e485748d25a44a97cbcf16885148403d3faf86da44fdb361034bb1dc7 [2021-10-24 10:51:00,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:51:00,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:51:00,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:51:00,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:51:00,957 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:51:00,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-24 10:51:01,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/8d507ea27/db58105f16324c55a1cbac0c1e87f769/FLAG4ffd61f75 [2021-10-24 10:51:01,579 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:51:01,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c [2021-10-24 10:51:01,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/8d507ea27/db58105f16324c55a1cbac0c1e87f769/FLAG4ffd61f75 [2021-10-24 10:51:01,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/data/8d507ea27/db58105f16324c55a1cbac0c1e87f769 [2021-10-24 10:51:01,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:51:01,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:51:01,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:51:01,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:51:01,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:51:01,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:51:01" (1/1) ... [2021-10-24 10:51:01,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506bcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:01, skipping insertion in model container [2021-10-24 10:51:01,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:51:01" (1/1) ... [2021-10-24 10:51:01,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:51:01,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:51:02,132 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_eb311da3-cfca-4547-98a8-9ca68b78c548/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-24 10:51:02,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:51:02,267 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-24 10:51:02,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:51:02,308 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_eb311da3-cfca-4547-98a8-9ca68b78c548/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-24 10:51:02,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:51:02,410 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:51:02,428 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_eb311da3-cfca-4547-98a8-9ca68b78c548/sv-benchmarks/c/product-lines/minepump_spec3_product31.cil.c[2984,2997] [2021-10-24 10:51:02,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:51:02,486 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:51:02,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02 WrapperNode [2021-10-24 10:51:02,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:51:02,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:51:02,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:51:02,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:51:02,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:51:02,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:51:02,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:51:02,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:51:02,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:51:02,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:51:02,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:51:02,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:51:02,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (1/1) ... [2021-10-24 10:51:02,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:51:02,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:51:02,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:51:02,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:51:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:51:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 10:51:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:51:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:51:04,843 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:51:04,843 INFO L299 CfgBuilder]: Removed 166 assume(true) statements. [2021-10-24 10:51:04,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:51:04 BoogieIcfgContainer [2021-10-24 10:51:04,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:51:04,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:51:04,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:51:04,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:51:04,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:51:01" (1/3) ... [2021-10-24 10:51:04,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63db3c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:51:04, skipping insertion in model container [2021-10-24 10:51:04,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:51:02" (2/3) ... [2021-10-24 10:51:04,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63db3c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:51:04, skipping insertion in model container [2021-10-24 10:51:04,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:51:04" (3/3) ... [2021-10-24 10:51:04,853 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product31.cil.c [2021-10-24 10:51:04,858 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:51:04,858 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-24 10:51:04,902 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:51:04,909 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:51:04,909 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:51:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 112 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-24 10:51:04,946 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:51:04,947 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:51:04,947 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:51:04,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:51:04,959 INFO L82 PathProgramCache]: Analyzing trace with hash 946560340, now seen corresponding path program 1 times [2021-10-24 10:51:04,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:51:04,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197526236] [2021-10-24 10:51:04,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:51:04,971 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:51:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:51:04,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:51:04,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 10:51:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:51:05,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 10:51:05,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:51:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:05,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:51:05,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:05,341 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:51:05,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197526236] [2021-10-24 10:51:05,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197526236] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:51:05,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:51:05,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 10:51:05,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993096380] [2021-10-24 10:51:05,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 10:51:05,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:51:05,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 10:51:05,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:51:05,370 INFO L87 Difference]: Start difference. First operand has 113 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 112 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:51:05,421 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-10-24 10:51:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 10:51:05,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-24 10:51:05,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:51:05,435 INFO L225 Difference]: With dead ends: 220 [2021-10-24 10:51:05,435 INFO L226 Difference]: Without dead ends: 109 [2021-10-24 10:51:05,442 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 10:51:05,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-24 10:51:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-10-24 10:51:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.471698113207547) internal successors, (156), 108 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2021-10-24 10:51:05,492 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2021-10-24 10:51:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:51:05,493 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2021-10-24 10:51:05,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2021-10-24 10:51:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-24 10:51:05,494 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:51:05,495 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:51:05,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-24 10:51:05,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:51:05,703 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:51:05,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:51:05,707 INFO L82 PathProgramCache]: Analyzing trace with hash 35529587, now seen corresponding path program 1 times [2021-10-24 10:51:05,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:51:05,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147052198] [2021-10-24 10:51:05,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:51:05,713 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:51:05,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:51:05,722 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:51:05,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 10:51:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:51:05,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:51:05,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:51:06,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:06,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:51:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:06,070 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:51:06,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147052198] [2021-10-24 10:51:06,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147052198] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:51:06,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:51:06,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-24 10:51:06,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366395490] [2021-10-24 10:51:06,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:51:06,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:51:06,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:51:06,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:51:06,079 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:06,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:51:06,107 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2021-10-24 10:51:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 10:51:06,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-24 10:51:06,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:51:06,110 INFO L225 Difference]: With dead ends: 109 [2021-10-24 10:51:06,110 INFO L226 Difference]: Without dead ends: 47 [2021-10-24 10:51:06,111 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:51:06,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-24 10:51:06,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-24 10:51:06,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-24 10:51:06,126 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-10-24 10:51:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:51:06,127 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-24 10:51:06,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-24 10:51:06,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-24 10:51:06,130 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:51:06,130 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:51:06,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 10:51:06,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:51:06,349 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:51:06,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:51:06,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1149792188, now seen corresponding path program 1 times [2021-10-24 10:51:06,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:51:06,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301570734] [2021-10-24 10:51:06,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:51:06,365 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:51:06,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:51:06,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:51:06,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 10:51:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:51:06,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-24 10:51:06,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:51:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:06,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:51:06,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:06,783 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:51:06,783 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301570734] [2021-10-24 10:51:06,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301570734] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:51:06,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:51:06,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-24 10:51:06,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871790917] [2021-10-24 10:51:06,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 10:51:06,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:51:06,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 10:51:06,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:51:06,786 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:06,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:51:06,826 INFO L93 Difference]: Finished difference Result 154 states and 226 transitions. [2021-10-24 10:51:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 10:51:06,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-24 10:51:06,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:51:06,828 INFO L225 Difference]: With dead ends: 154 [2021-10-24 10:51:06,829 INFO L226 Difference]: Without dead ends: 113 [2021-10-24 10:51:06,829 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 10:51:06,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-24 10:51:06,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 68. [2021-10-24 10:51:06,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 67 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2021-10-24 10:51:06,842 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 24 [2021-10-24 10:51:06,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:51:06,843 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2021-10-24 10:51:06,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2021-10-24 10:51:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-24 10:51:06,844 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:51:06,844 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:51:06,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:07,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:51:07,062 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:51:07,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:51:07,063 INFO L82 PathProgramCache]: Analyzing trace with hash 190951434, now seen corresponding path program 1 times [2021-10-24 10:51:07,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:51:07,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1023889551] [2021-10-24 10:51:07,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:51:07,069 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:51:07,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:51:07,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:51:07,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-24 10:51:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 10:51:07,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-24 10:51:07,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 10:51:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:07,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 10:51:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 10:51:07,543 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 10:51:07,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1023889551] [2021-10-24 10:51:07,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1023889551] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 10:51:07,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 10:51:07,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-24 10:51:07,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055208724] [2021-10-24 10:51:07,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-24 10:51:07,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 10:51:07,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-24 10:51:07,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-24 10:51:07,546 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:07,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 10:51:07,894 INFO L93 Difference]: Finished difference Result 762 states and 1164 transitions. [2021-10-24 10:51:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-24 10:51:07,894 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-24 10:51:07,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 10:51:07,900 INFO L225 Difference]: With dead ends: 762 [2021-10-24 10:51:07,900 INFO L226 Difference]: Without dead ends: 700 [2021-10-24 10:51:07,901 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 125.0ms TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2021-10-24 10:51:07,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-10-24 10:51:07,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 178. [2021-10-24 10:51:07,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.463276836158192) internal successors, (259), 177 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:07,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 259 transitions. [2021-10-24 10:51:07,935 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 259 transitions. Word has length 26 [2021-10-24 10:51:07,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 10:51:07,935 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 259 transitions. [2021-10-24 10:51:07,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:51:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 259 transitions. [2021-10-24 10:51:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-24 10:51:07,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:51:07,938 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:51:07,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:08,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:51:08,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 10:51:08,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:51:08,157 INFO L82 PathProgramCache]: Analyzing trace with hash -418085112, now seen corresponding path program 1 times [2021-10-24 10:51:08,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 10:51:08,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117931568] [2021-10-24 10:51:08,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:51:08,161 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 10:51:08,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 10:51:08,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 10:51:08,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-24 10:51:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:51:09,259 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:51:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:51:10,643 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 10:51:10,643 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:51:10,644 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:10,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:10,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:51:10,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-24 10:51:10,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 10:51:10,874 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:51:11,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:51:11 BoogieIcfgContainer [2021-10-24 10:51:11,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:51:11,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:51:11,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:51:11,035 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:51:11,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:51:04" (3/4) ... [2021-10-24 10:51:11,040 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:51:11,146 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:51:11,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:51:11,147 INFO L168 Benchmark]: Toolchain (without parser) took 9245.00 ms. Allocated memory was 62.9 MB in the beginning and 98.6 MB in the end (delta: 35.7 MB). Free memory was 41.8 MB in the beginning and 41.1 MB in the end (delta: 736.2 kB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:11,148 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:51:11,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.43 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 35.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:11,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 62.9 MB. Free memory was 35.3 MB in the beginning and 31.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:11,149 INFO L168 Benchmark]: Boogie Preprocessor took 55.40 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 29.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:11,150 INFO L168 Benchmark]: RCFGBuilder took 2238.05 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 29.1 MB in the beginning and 61.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:11,150 INFO L168 Benchmark]: TraceAbstraction took 6186.76 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 60.6 MB in the beginning and 52.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:11,151 INFO L168 Benchmark]: Witness Printer took 111.52 ms. Allocated memory is still 98.6 MB. Free memory was 52.7 MB in the beginning and 41.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:51:11,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 62.9 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 583.43 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 35.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.21 ms. Allocated memory is still 62.9 MB. Free memory was 35.3 MB in the beginning and 31.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.40 ms. Allocated memory is still 62.9 MB. Free memory was 31.9 MB in the beginning and 29.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2238.05 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 29.1 MB in the beginning and 61.1 MB in the end (delta: -32.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6186.76 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 60.6 MB in the beginning and 52.7 MB in the end (delta: 8.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Witness Printer took 111.52 ms. Allocated memory is still 98.6 MB. Free memory was 52.7 MB in the beginning and 41.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 12.6 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 150]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int pumpRunning = 0; [L596] int systemActive = 1; [L878] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L951] int retValue_acc ; [L952] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L958] tmp = valid_product() [L960] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] int splverifierCounter ; [L526] int tmp ; [L527] int tmp___0 ; [L528] int tmp___1 ; [L529] int tmp___2 ; [L532] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] tmp = __VERIFIER_nondet_int() [L544] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L552] tmp___0 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L562] tmp___2 = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L610] COND TRUE \read(systemActive) [L658] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L661] COND FALSE !(\read(pumpRunning)) [L632] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L635] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L813] tmp = isMethaneLevelCritical() [L815] COND FALSE !(\read(tmp)) [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L819] tmp___0 = getWaterLevel() [L821] COND TRUE tmp___0 == 2 [L727] int retValue_acc ; [L730] retValue_acc = pumpRunning [L731] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L823] tmp___1 = isPumpRunning() [L825] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 150]: 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: 150]: 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, 113 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5961.5ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 28.0ms, AutomataDifference: 530.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 404 SDtfs, 915 SDslu, 914 SDs, 0 SdLazy, 127 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 135.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 141.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 95.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 567 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 105.8ms SsaConstructionTime, 1398.4ms SatisfiabilityAnalysisTime, 770.7ms InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 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! [2021-10-24 10:51:11,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb311da3-cfca-4547-98a8-9ca68b78c548/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...