./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF --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 64bit --witnessprinter.graph.data.programhash 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:41:48,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:41:48,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:41:48,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:41:48,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:41:48,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:41:48,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:41:48,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:41:48,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:41:48,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:41:48,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:41:48,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:41:48,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:41:48,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:41:48,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:41:48,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:41:48,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:41:48,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:41:48,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:41:48,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:41:48,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:41:48,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:41:48,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:41:48,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:41:48,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:41:48,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:41:48,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:41:48,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:41:48,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:41:48,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:41:48,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:41:48,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:41:48,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:41:48,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:41:48,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:41:48,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:41:48,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:41:48,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:41:48,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:41:48,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:41:48,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:41:48,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:41:48,134 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:41:48,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:41:48,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:41:48,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:41:48,136 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:41:48,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:41:48,136 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:41:48,136 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:41:48,137 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:41:48,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:41:48,137 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:41:48,138 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:41:48,138 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:41:48,138 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:41:48,139 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:41:48,139 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:41:48,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:41:48,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:41:48,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:41:48,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:41:48,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:41:48,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:41:48,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:41:48,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:41:48,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:41:48,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:41:48,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:41:48,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:41:48,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:41:48,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:41:48,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:41:48,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:41:48,145 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:41:48,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:41:48,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:41:48,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:41:48,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:41:48,146 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_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2021-11-12 23:41:48,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:41:48,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:41:48,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:41:48,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:41:48,421 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:41:48,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-11-12 23:41:48,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/bdac1aaa2/86268dc07cc84c80a6ec30cb0f011f87/FLAG882985186 [2021-11-12 23:41:49,262 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:41:49,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-11-12 23:41:49,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/bdac1aaa2/86268dc07cc84c80a6ec30cb0f011f87/FLAG882985186 [2021-11-12 23:41:49,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/bdac1aaa2/86268dc07cc84c80a6ec30cb0f011f87 [2021-11-12 23:41:49,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:41:49,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:41:49,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:49,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:41:49,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:41:49,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:49" (1/1) ... [2021-11-12 23:41:49,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1e02f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:49, skipping insertion in model container [2021-11-12 23:41:49,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:49" (1/1) ... [2021-11-12 23:41:49,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:41:49,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:41:50,013 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_d187d043-d1e7-43fb-aab7-55b62e568df7/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i[70748,70761] [2021-11-12 23:41:50,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:41:50,655 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:41:50,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b9102c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:50, skipping insertion in model container [2021-11-12 23:41:50,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:50,658 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:41:50,660 INFO L158 Benchmark]: Toolchain (without parser) took 1317.10ms. Allocated memory is still 107.0MB. Free memory was 64.9MB in the beginning and 66.4MB in the end (delta: -1.5MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-12 23:41:50,660 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:41:50,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1313.29ms. Allocated memory is still 107.0MB. Free memory was 64.5MB in the beginning and 66.4MB in the end (delta: -1.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-12 23:41:50,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1313.29ms. Allocated memory is still 107.0MB. Free memory was 64.5MB in the beginning and 66.4MB in the end (delta: -1.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2843]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF --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 64bit --witnessprinter.graph.data.programhash 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:41:52,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:41:52,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:41:52,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:41:52,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:41:52,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:41:52,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:41:52,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:41:52,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:41:52,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:41:52,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:41:52,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:41:52,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:41:52,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:41:52,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:41:52,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:41:52,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:41:52,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:41:52,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:41:52,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:41:52,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:41:52,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:41:52,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:41:53,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:41:53,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:41:53,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:41:53,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:41:53,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:41:53,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:41:53,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:41:53,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:41:53,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:41:53,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:41:53,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:41:53,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:41:53,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:41:53,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:41:53,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:41:53,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:41:53,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:41:53,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:41:53,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:41:53,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:41:53,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:41:53,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:41:53,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:41:53,072 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:41:53,073 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:41:53,073 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:41:53,073 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:41:53,073 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:41:53,073 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:41:53,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:41:53,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:41:53,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:41:53,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:41:53,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:41:53,076 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:41:53,077 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:41:53,077 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:41:53,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:41:53,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:41:53,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:41:53,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:41:53,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:41:53,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:41:53,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:41:53,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:41:53,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:41:53,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:41:53,079 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:41:53,079 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:41:53,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:41:53,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:41:53,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:41:53,080 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_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eff9009202d8b0bf60c327eed36946f13574b2b7f3842f1a4c1fa3c35e53160 [2021-11-12 23:41:53,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:41:53,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:41:53,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:41:53,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:41:53,481 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:41:53,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-11-12 23:41:53,557 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/69186c103/aa27b1e5f4c549a09ce62dcef56dc8fd/FLAGd589d6fd6 [2021-11-12 23:41:54,575 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:41:54,576 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-11-12 23:41:54,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/69186c103/aa27b1e5f4c549a09ce62dcef56dc8fd/FLAGd589d6fd6 [2021-11-12 23:41:54,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/data/69186c103/aa27b1e5f4c549a09ce62dcef56dc8fd [2021-11-12 23:41:54,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:41:54,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:41:54,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:54,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:41:55,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:41:55,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:54" (1/1) ... [2021-11-12 23:41:55,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26953f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:55, skipping insertion in model container [2021-11-12 23:41:55,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:54" (1/1) ... [2021-11-12 23:41:55,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:41:55,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:41:55,714 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_d187d043-d1e7-43fb-aab7-55b62e568df7/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i[70748,70761] [2021-11-12 23:41:56,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:41:56,526 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:41:56,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:41:56,650 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_d187d043-d1e7-43fb-aab7-55b62e568df7/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i[70748,70761] [2021-11-12 23:41:56,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:41:56,988 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:41:57,065 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_d187d043-d1e7-43fb-aab7-55b62e568df7/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i[70748,70761] [2021-11-12 23:41:57,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:41:57,493 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:41:57,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57 WrapperNode [2021-11-12 23:41:57,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:57,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:41:57,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:41:57,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:41:57,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:57,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:57,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:41:57,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:41:57,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:41:57,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:41:57,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:57,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:57,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:57,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:58,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:58,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:58,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:58,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:41:58,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:41:58,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:41:58,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:41:58,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (1/1) ... [2021-11-12 23:41:58,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:41:58,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:41:58,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:41:58,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:41:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2021-11-12 23:41:58,291 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2021-11-12 23:41:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2021-11-12 23:41:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2021-11-12 23:41:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:41:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-12 23:41:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-12 23:41:58,292 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2021-11-12 23:41:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2021-11-12 23:41:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:41:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:41:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:41:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:41:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:41:58,293 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2021-11-12 23:41:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2021-11-12 23:41:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:41:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:41:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2021-11-12 23:41:58,294 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2021-11-12 23:41:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:41:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:41:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2021-11-12 23:41:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2021-11-12 23:41:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-12 23:41:58,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-12 23:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2021-11-12 23:41:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2021-11-12 23:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:41:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:41:58,296 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2021-11-12 23:41:58,296 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2021-11-12 23:41:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2021-11-12 23:41:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2021-11-12 23:41:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2021-11-12 23:41:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2021-11-12 23:41:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-12 23:41:58,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-12 23:41:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:41:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2021-11-12 23:41:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2021-11-12 23:41:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2021-11-12 23:41:58,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2021-11-12 23:41:58,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:41:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:41:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:41:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:41:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:41:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:41:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:41:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:41:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2021-11-12 23:41:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2021-11-12 23:41:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2021-11-12 23:41:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2021-11-12 23:41:58,300 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2021-11-12 23:41:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2021-11-12 23:41:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:41:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:41:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:41:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:41:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:41:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:41:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:41:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:41:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2021-11-12 23:41:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2021-11-12 23:41:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2021-11-12 23:41:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2021-11-12 23:41:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2021-11-12 23:41:58,303 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2021-11-12 23:41:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:41:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:41:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:41:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2021-11-12 23:41:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2021-11-12 23:41:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:41:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:41:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:41:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:41:58,304 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:41:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 23:41:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:41:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2021-11-12 23:41:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2021-11-12 23:41:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:41:58,305 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2021-11-12 23:41:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2021-11-12 23:41:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-12 23:41:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-12 23:41:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-12 23:41:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-12 23:41:58,306 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2021-11-12 23:41:58,306 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2021-11-12 23:41:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:41:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2021-11-12 23:41:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2021-11-12 23:41:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-12 23:41:58,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-12 23:41:58,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:41:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:41:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:41:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:41:58,308 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2021-11-12 23:41:58,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2021-11-12 23:42:06,785 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:42:31,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:42:31,609 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-12 23:42:31,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:42:31 BoogieIcfgContainer [2021-11-12 23:42:31,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:42:31,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:42:31,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:42:31,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:42:31,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:41:54" (1/3) ... [2021-11-12 23:42:31,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f3fb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:42:31, skipping insertion in model container [2021-11-12 23:42:31,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:57" (2/3) ... [2021-11-12 23:42:31,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f3fb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:42:31, skipping insertion in model container [2021-11-12 23:42:31,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:42:31" (3/3) ... [2021-11-12 23:42:31,621 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point.cil.out.i [2021-11-12 23:42:31,626 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:42:31,626 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:42:31,679 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:42:31,685 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:42:31,686 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:42:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 753 states, 544 states have (on average 1.4283088235294117) internal successors, (777), 561 states have internal predecessors, (777), 169 states have call successors, (169), 39 states have call predecessors, (169), 38 states have return successors, (166), 162 states have call predecessors, (166), 166 states have call successors, (166) [2021-11-12 23:42:31,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-12 23:42:31,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:31,733 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:31,733 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:31,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:31,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1860774698, now seen corresponding path program 1 times [2021-11-12 23:42:31,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:31,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627971242] [2021-11-12 23:42:31,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:31,764 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:31,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:31,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:31,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:42:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:33,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 3208 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:42:33,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-12 23:42:33,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-12 23:42:34,066 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:34,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627971242] [2021-11-12 23:42:34,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627971242] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:34,067 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:34,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:42:34,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116390343] [2021-11-12 23:42:34,070 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:34,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:42:34,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:34,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:42:34,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:42:34,113 INFO L87 Difference]: Start difference. First operand has 753 states, 544 states have (on average 1.4283088235294117) internal successors, (777), 561 states have internal predecessors, (777), 169 states have call successors, (169), 39 states have call predecessors, (169), 38 states have return successors, (166), 162 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-12 23:42:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:35,196 INFO L93 Difference]: Finished difference Result 1675 states and 2503 transitions. [2021-11-12 23:42:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:42:35,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46 [2021-11-12 23:42:35,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:35,227 INFO L225 Difference]: With dead ends: 1675 [2021-11-12 23:42:35,227 INFO L226 Difference]: Without dead ends: 886 [2021-11-12 23:42:35,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:42:35,252 INFO L933 BasicCegarLoop]: 1177 mSDtfsCounter, 265 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 864.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 2166 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.60ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 925.49ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:35,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 2166 Invalid, 95 Unknown, 0 Unchecked, 19.60ms Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 925.49ms Time] [2021-11-12 23:42:35,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-11-12 23:42:35,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 886. [2021-11-12 23:42:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 637 states have (on average 1.401883830455259) internal successors, (893), 654 states have internal predecessors, (893), 201 states have call successors, (201), 48 states have call predecessors, (201), 47 states have return successors, (200), 196 states have call predecessors, (200), 200 states have call successors, (200) [2021-11-12 23:42:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1294 transitions. [2021-11-12 23:42:35,405 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1294 transitions. Word has length 46 [2021-11-12 23:42:35,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:35,406 INFO L470 AbstractCegarLoop]: Abstraction has 886 states and 1294 transitions. [2021-11-12 23:42:35,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-12 23:42:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1294 transitions. [2021-11-12 23:42:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-12 23:42:35,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:35,413 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:35,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-12 23:42:35,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:35,627 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:35,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1838699474, now seen corresponding path program 1 times [2021-11-12 23:42:35,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:35,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900475656] [2021-11-12 23:42:35,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:35,635 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:35,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:35,647 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:35,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:42:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:42:37,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 3227 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:42:37,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:42:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-12 23:42:37,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:42:38,063 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-12 23:42:38,063 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:42:38,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900475656] [2021-11-12 23:42:38,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900475656] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:42:38,066 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:42:38,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-12 23:42:38,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055539467] [2021-11-12 23:42:38,068 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:42:38,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:42:38,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:42:38,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:42:38,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:42:38,075 INFO L87 Difference]: Start difference. First operand 886 states and 1294 transitions. Second operand has 10 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-12 23:42:38,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:42:38,681 INFO L93 Difference]: Finished difference Result 920 states and 1337 transitions. [2021-11-12 23:42:38,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:42:38,682 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 58 [2021-11-12 23:42:38,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:42:38,693 INFO L225 Difference]: With dead ends: 920 [2021-11-12 23:42:38,694 INFO L226 Difference]: Without dead ends: 917 [2021-11-12 23:42:38,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:42:38,699 INFO L933 BasicCegarLoop]: 1095 mSDtfsCounter, 79 mSDsluCounter, 5426 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 273.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 6521 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.60ms SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 303.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:42:38,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 6521 Invalid, 86 Unknown, 0 Unchecked, 31.60ms Time], IncrementalHoareTripleChecker [35 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 303.40ms Time] [2021-11-12 23:42:38,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2021-11-12 23:42:38,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 917. [2021-11-12 23:42:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 657 states have (on average 1.3942161339421613) internal successors, (916), 674 states have internal predecessors, (916), 209 states have call successors, (209), 51 states have call predecessors, (209), 50 states have return successors, (208), 204 states have call predecessors, (208), 208 states have call successors, (208) [2021-11-12 23:42:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1333 transitions. [2021-11-12 23:42:38,804 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1333 transitions. Word has length 58 [2021-11-12 23:42:38,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:42:38,805 INFO L470 AbstractCegarLoop]: Abstraction has 917 states and 1333 transitions. [2021-11-12 23:42:38,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (10), 6 states have call predecessors, (10), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-12 23:42:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1333 transitions. [2021-11-12 23:42:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-12 23:42:38,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:38,816 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:42:38,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:39,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:39,040 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:42:39,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1955398812, now seen corresponding path program 1 times [2021-11-12 23:42:39,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:39,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978852968] [2021-11-12 23:42:39,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:39,048 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:39,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:39,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:39,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:42:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:42:48,831 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:42:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:42:59,361 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:42:59,362 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:42:59,363 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:42:59,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:42:59,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:42:59,586 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-12 23:42:59,588 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:42:59,729 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:42:59,732 INFO L158 Benchmark]: Toolchain (without parser) took 64735.18ms. Allocated memory was 62.9MB in the beginning and 352.3MB in the end (delta: 289.4MB). Free memory was 35.8MB in the beginning and 209.5MB in the end (delta: -173.6MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. [2021-11-12 23:42:59,732 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:42:59,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2496.51ms. Allocated memory was 62.9MB in the beginning and 146.8MB in the end (delta: 83.9MB). Free memory was 35.7MB in the beginning and 78.2MB in the end (delta: -42.5MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2021-11-12 23:42:59,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 359.47ms. Allocated memory is still 146.8MB. Free memory was 78.2MB in the beginning and 80.1MB in the end (delta: -2.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-11-12 23:42:59,734 INFO L158 Benchmark]: Boogie Preprocessor took 317.73ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 51.3MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-12 23:42:59,734 INFO L158 Benchmark]: RCFGBuilder took 33438.20ms. Allocated memory was 146.8MB in the beginning and 352.3MB in the end (delta: 205.5MB). Free memory was 51.3MB in the beginning and 251.7MB in the end (delta: -200.4MB). Peak memory consumption was 186.0MB. Max. memory is 16.1GB. [2021-11-12 23:42:59,735 INFO L158 Benchmark]: TraceAbstraction took 28116.70ms. Allocated memory is still 352.3MB. Free memory was 251.7MB in the beginning and 209.5MB in the end (delta: 42.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-11-12 23:42:59,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2496.51ms. Allocated memory was 62.9MB in the beginning and 146.8MB in the end (delta: 83.9MB). Free memory was 35.7MB in the beginning and 78.2MB in the end (delta: -42.5MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 359.47ms. Allocated memory is still 146.8MB. Free memory was 78.2MB in the beginning and 80.1MB in the end (delta: -2.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 317.73ms. Allocated memory is still 146.8MB. Free memory was 80.1MB in the beginning and 51.3MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 33438.20ms. Allocated memory was 146.8MB in the beginning and 352.3MB in the end (delta: 205.5MB). Free memory was 51.3MB in the beginning and 251.7MB in the end (delta: -200.4MB). Peak memory consumption was 186.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28116.70ms. Allocated memory is still 352.3MB. Free memory was 251.7MB in the beginning and 209.5MB in the end (delta: 42.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:42:59,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d187d043-d1e7-43fb-aab7-55b62e568df7/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null