./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:53:00,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:53:00,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:53:00,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:53:00,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:53:00,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:53:00,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:53:00,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:53:00,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:53:00,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:53:00,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:53:00,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:53:00,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:53:00,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:53:00,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:53:00,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:53:00,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:53:00,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:53:00,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:53:00,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:53:00,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:53:00,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:53:00,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:53:00,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:53:00,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:53:00,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:53:00,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:53:00,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:53:00,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:53:00,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:53:00,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:53:00,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:53:00,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:53:00,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:53:00,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:53:00,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:53:00,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:53:00,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:53:00,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:53:00,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:53:00,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:53:00,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:53:00,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:53:00,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:53:00,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:53:00,993 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:53:00,993 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:53:00,994 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:53:00,994 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:53:00,994 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:53:01,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:53:01,000 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:53:01,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:53:01,002 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:53:01,002 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:53:01,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:53:01,003 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:53:01,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:53:01,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:53:01,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:53:01,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:53:01,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:53:01,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:53:01,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:53:01,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:53:01,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:53:01,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:53:01,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:53:01,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:53:01,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:53:01,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:53:01,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:53:01,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:53:01,009 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:53:01,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:53:01,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:53:01,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:53:01,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:53:01,010 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_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 [2021-11-07 01:53:01,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:53:01,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:53:01,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:53:01,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:53:01,314 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:53:01,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-11-07 01:53:01,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/2ed56243a/c27b5812158140708c90dbc97e439056/FLAG3c0a3ea2f [2021-11-07 01:53:02,154 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:53:02,155 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-11-07 01:53:02,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/2ed56243a/c27b5812158140708c90dbc97e439056/FLAG3c0a3ea2f [2021-11-07 01:53:02,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/2ed56243a/c27b5812158140708c90dbc97e439056 [2021-11-07 01:53:02,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:53:02,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:53:02,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:02,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:53:02,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:53:02,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:02" (1/1) ... [2021-11-07 01:53:02,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b53d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:02, skipping insertion in model container [2021-11-07 01:53:02,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:02" (1/1) ... [2021-11-07 01:53:02,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:53:02,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:53:03,230 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:53:03,232 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:53:03,248 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_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2021-11-07 01:53:03,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:03,345 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:53:03,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b783b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:03, skipping insertion in model container [2021-11-07 01:53:03,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:03,347 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:53:03,349 INFO L168 Benchmark]: Toolchain (without parser) took 1110.77 ms. Allocated memory is still 102.8 MB. Free memory was 76.6 MB in the beginning and 62.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:03,351 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:53:03,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1106.40 ms. Allocated memory is still 102.8 MB. Free memory was 76.6 MB in the beginning and 62.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:03,354 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 79.7 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1106.40 ms. Allocated memory is still 102.8 MB. Free memory was 76.6 MB in the beginning and 62.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5956]: 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_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:53:05,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:53:05,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:53:05,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:53:05,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:53:05,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:53:05,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:53:05,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:53:05,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:53:05,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:53:05,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:53:05,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:53:05,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:53:05,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:53:05,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:53:05,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:53:05,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:53:05,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:53:05,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:53:05,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:53:05,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:53:05,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:53:05,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:53:05,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:53:05,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:53:05,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:53:05,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:53:05,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:53:05,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:53:05,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:53:05,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:53:05,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:53:05,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:53:05,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:53:05,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:53:05,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:53:05,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:53:05,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:53:05,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:53:05,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:53:05,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:53:05,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:53:05,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:53:05,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:53:05,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:53:05,714 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:53:05,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:53:05,715 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:53:05,715 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:53:05,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:53:05,716 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:53:05,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:53:05,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:53:05,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:53:05,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:53:05,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:53:05,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:53:05,719 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:53:05,719 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:53:05,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:53:05,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:53:05,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:53:05,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:53:05,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:53:05,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:53:05,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:53:05,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:53:05,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:53:05,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:53:05,722 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:53:05,722 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:05,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:53:05,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:53:05,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:53:05,723 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_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91d2143e2aa98b5d48c7de2c4b17a3507ecfb748f26bae9be6d0588f4557bb1 [2021-11-07 01:53:06,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:53:06,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:53:06,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:53:06,146 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:53:06,147 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:53:06,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-11-07 01:53:06,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/3954ad3a8/a5951fc7c8da48ed962fd376f4d53381/FLAG622fb46a7 [2021-11-07 01:53:07,112 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:53:07,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-11-07 01:53:07,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/3954ad3a8/a5951fc7c8da48ed962fd376f4d53381/FLAG622fb46a7 [2021-11-07 01:53:07,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/data/3954ad3a8/a5951fc7c8da48ed962fd376f4d53381 [2021-11-07 01:53:07,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:53:07,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:53:07,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:07,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:53:07,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:53:07,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:07" (1/1) ... [2021-11-07 01:53:07,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774e7c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:07, skipping insertion in model container [2021-11-07 01:53:07,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:07" (1/1) ... [2021-11-07 01:53:07,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:53:07,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:53:08,535 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_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2021-11-07 01:53:08,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:08,593 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:53:08,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:53:08,853 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_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2021-11-07 01:53:08,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:08,878 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:53:09,111 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_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2021-11-07 01:53:09,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:09,174 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:53:09,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09 WrapperNode [2021-11-07 01:53:09,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:09,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:53:09,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:53:09,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:53:09,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:53:09,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:53:09,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:53:09,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:53:09,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:53:09,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:53:09,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:53:09,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:53:09,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (1/1) ... [2021-11-07 01:53:09,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:53:09,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:53:09,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:53:09,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:53:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:53:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:53:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:53:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:53:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:53:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:53:10,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:53:10,351 INFO L299 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-07 01:53:10,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:53:10 BoogieIcfgContainer [2021-11-07 01:53:10,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:53:10,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:53:10,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:53:10,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:53:10,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:53:07" (1/3) ... [2021-11-07 01:53:10,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d61b4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:53:10, skipping insertion in model container [2021-11-07 01:53:10,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:09" (2/3) ... [2021-11-07 01:53:10,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d61b4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:53:10, skipping insertion in model container [2021-11-07 01:53:10,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:53:10" (3/3) ... [2021-11-07 01:53:10,361 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2021-11-07 01:53:10,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:53:10,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 01:53:10,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:53:10,434 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:53:10,434 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:53:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 68 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:10,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:53:10,460 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:10,461 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:53:10,462 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:10,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:10,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1281190692, now seen corresponding path program 1 times [2021-11-07 01:53:10,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:10,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155766877] [2021-11-07 01:53:10,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:10,487 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:10,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:10,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:10,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:53:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:10,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:53:10,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:53:11,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:53:11,087 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:11,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155766877] [2021-11-07 01:53:11,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155766877] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:11,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:11,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:53:11,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19489779] [2021-11-07 01:53:11,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:53:11,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:11,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:53:11,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:53:11,115 INFO L87 Difference]: Start difference. First operand has 69 states, 66 states have (on average 1.4696969696969697) internal successors, (97), 68 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:11,147 INFO L93 Difference]: Finished difference Result 134 states and 189 transitions. [2021-11-07 01:53:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:53:11,148 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:53:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:11,159 INFO L225 Difference]: With dead ends: 134 [2021-11-07 01:53:11,159 INFO L226 Difference]: Without dead ends: 62 [2021-11-07 01:53:11,165 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:53:11,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-11-07 01:53:11,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-11-07 01:53:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 61 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-11-07 01:53:11,199 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 26 [2021-11-07 01:53:11,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:11,200 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-11-07 01:53:11,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-11-07 01:53:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:53:11,202 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:11,202 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:53:11,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 01:53:11,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:11,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:11,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:11,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2081775912, now seen corresponding path program 1 times [2021-11-07 01:53:11,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:11,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054542604] [2021-11-07 01:53:11,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:11,438 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:11,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:11,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:11,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:53:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:11,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:53:11,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:53:11,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:12,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:53:12,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:12,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054542604] [2021-11-07 01:53:12,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054542604] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:12,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:12,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:53:12,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50079176] [2021-11-07 01:53:12,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:53:12,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:12,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:53:12,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:53:12,040 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:12,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:12,107 INFO L93 Difference]: Finished difference Result 116 states and 161 transitions. [2021-11-07 01:53:12,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:53:12,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 [2021-11-07 01:53:12,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:12,109 INFO L225 Difference]: With dead ends: 116 [2021-11-07 01:53:12,110 INFO L226 Difference]: Without dead ends: 66 [2021-11-07 01:53:12,111 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:53:12,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-07 01:53:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-07 01:53:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 64 states have (on average 1.359375) internal successors, (87), 65 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2021-11-07 01:53:12,120 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 26 [2021-11-07 01:53:12,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:12,120 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2021-11-07 01:53:12,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2021-11-07 01:53:12,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-07 01:53:12,122 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:12,122 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-07 01:53:12,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:12,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:12,340 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1441909144, now seen corresponding path program 1 times [2021-11-07 01:53:12,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:12,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2946143] [2021-11-07 01:53:12,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:12,342 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:12,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:12,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:12,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:53:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:12,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:12,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:53:13,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:53:13,318 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:13,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2946143] [2021-11-07 01:53:13,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2946143] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:13,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [316284052] [2021-11-07 01:53:13,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:13,319 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:13,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:53:13,321 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:53:13,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-11-07 01:53:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:13,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:53:13,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:53:13,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:53:13,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [316284052] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:13,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:53:13,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [5, 5] total 9 [2021-11-07 01:53:13,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835258670] [2021-11-07 01:53:13,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:53:13,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:13,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:53:13,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:53:13,910 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:13,955 INFO L93 Difference]: Finished difference Result 153 states and 213 transitions. [2021-11-07 01:53:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:53:13,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 30 [2021-11-07 01:53:13,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:13,958 INFO L225 Difference]: With dead ends: 153 [2021-11-07 01:53:13,959 INFO L226 Difference]: Without dead ends: 106 [2021-11-07 01:53:13,960 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:53:13,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-07 01:53:13,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2021-11-07 01:53:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 103 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 143 transitions. [2021-11-07 01:53:13,976 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 143 transitions. Word has length 30 [2021-11-07 01:53:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:13,977 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 143 transitions. [2021-11-07 01:53:13,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2021-11-07 01:53:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:53:13,982 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:13,983 INFO L513 BasicCegarLoop]: trace histogram [2, 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] [2021-11-07 01:53:14,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:14,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:14,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:14,401 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:14,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1964467421, now seen corresponding path program 1 times [2021-11-07 01:53:14,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:14,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727743440] [2021-11-07 01:53:14,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:14,403 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:14,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:14,405 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:14,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:53:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:14,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:14,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:53:15,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:53:15,294 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:15,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727743440] [2021-11-07 01:53:15,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727743440] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:15,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1632571121] [2021-11-07 01:53:15,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:15,295 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:15,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:53:15,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:53:15,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-07 01:53:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:15,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:53:15,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:53:15,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:53:15,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1632571121] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:15,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:53:15,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-07 01:53:15,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408046006] [2021-11-07 01:53:15,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:53:15,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:15,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:53:15,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:53:15,862 INFO L87 Difference]: Start difference. First operand 104 states and 143 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:15,922 INFO L93 Difference]: Finished difference Result 225 states and 318 transitions. [2021-11-07 01:53:15,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:53:15,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 39 [2021-11-07 01:53:15,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:15,925 INFO L225 Difference]: With dead ends: 225 [2021-11-07 01:53:15,926 INFO L226 Difference]: Without dead ends: 142 [2021-11-07 01:53:15,927 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:53:15,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-07 01:53:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2021-11-07 01:53:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 136 states have (on average 1.4191176470588236) internal successors, (193), 137 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 193 transitions. [2021-11-07 01:53:15,942 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 193 transitions. Word has length 39 [2021-11-07 01:53:15,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:15,942 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 193 transitions. [2021-11-07 01:53:15,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 193 transitions. [2021-11-07 01:53:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:53:15,945 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:15,945 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-07 01:53:15,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:16,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:16,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:16,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:16,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:16,361 INFO L85 PathProgramCache]: Analyzing trace with hash -477154332, now seen corresponding path program 1 times [2021-11-07 01:53:16,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:16,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963876296] [2021-11-07 01:53:16,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:16,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:16,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:16,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:16,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:53:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:16,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:16,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:17,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:17,381 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:17,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963876296] [2021-11-07 01:53:17,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963876296] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:17,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1533720586] [2021-11-07 01:53:17,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:17,382 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:17,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:53:17,385 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:53:17,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:53:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:18,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:18,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:18,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:18,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1533720586] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:18,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427635091] [2021-11-07 01:53:18,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:18,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:53:18,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:53:18,423 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:53:18,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:53:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:18,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:53:18,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:19,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:19,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427635091] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:19,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:53:19,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5, 5, 5, 5] total 11 [2021-11-07 01:53:19,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157927563] [2021-11-07 01:53:19,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:53:19,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:53:19,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:53:19,123 INFO L87 Difference]: Start difference. First operand 138 states and 193 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:19,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:19,243 INFO L93 Difference]: Finished difference Result 494 states and 707 transitions. [2021-11-07 01:53:19,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:53:19,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 50 [2021-11-07 01:53:19,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:19,252 INFO L225 Difference]: With dead ends: 494 [2021-11-07 01:53:19,252 INFO L226 Difference]: Without dead ends: 377 [2021-11-07 01:53:19,254 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:53:19,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-11-07 01:53:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 141. [2021-11-07 01:53:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 139 states have (on average 1.4028776978417266) internal successors, (195), 140 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 195 transitions. [2021-11-07 01:53:19,273 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 195 transitions. Word has length 50 [2021-11-07 01:53:19,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:19,274 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 195 transitions. [2021-11-07 01:53:19,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 195 transitions. [2021-11-07 01:53:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 01:53:19,276 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:19,276 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-07 01:53:19,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:19,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:19,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:19,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:53:19,897 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:19,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash -419896030, now seen corresponding path program 1 times [2021-11-07 01:53:19,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:19,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312388704] [2021-11-07 01:53:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:19,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:19,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:19,901 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:19,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 01:53:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:20,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:20,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:20,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:20,983 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:20,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312388704] [2021-11-07 01:53:20,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312388704] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:20,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1394612280] [2021-11-07 01:53:20,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:20,984 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:20,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:53:20,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:53:21,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 01:53:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:21,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:53:21,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:21,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:21,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1394612280] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:21,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:53:21,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 10 [2021-11-07 01:53:21,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908916077] [2021-11-07 01:53:21,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:53:21,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:21,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:53:21,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:53:21,718 INFO L87 Difference]: Start difference. First operand 141 states and 195 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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) [2021-11-07 01:53:21,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:21,778 INFO L93 Difference]: Finished difference Result 386 states and 549 transitions. [2021-11-07 01:53:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:53:21,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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 50 [2021-11-07 01:53:21,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:21,782 INFO L225 Difference]: With dead ends: 386 [2021-11-07 01:53:21,783 INFO L226 Difference]: Without dead ends: 266 [2021-11-07 01:53:21,784 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:53:21,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-07 01:53:21,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 138. [2021-11-07 01:53:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 136 states have (on average 1.3970588235294117) internal successors, (190), 137 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 190 transitions. [2021-11-07 01:53:21,798 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 190 transitions. Word has length 50 [2021-11-07 01:53:21,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:21,799 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 190 transitions. [2021-11-07 01:53:21,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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) [2021-11-07 01:53:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 190 transitions. [2021-11-07 01:53:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 01:53:21,801 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:21,801 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-07 01:53:21,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:22,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:22,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:22,212 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:22,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:22,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1764423966, now seen corresponding path program 1 times [2021-11-07 01:53:22,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:22,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834381068] [2021-11-07 01:53:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:22,214 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:22,214 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:22,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-07 01:53:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:22,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:22,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:22,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:23,306 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:23,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834381068] [2021-11-07 01:53:23,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834381068] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:23,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2066428159] [2021-11-07 01:53:23,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:23,307 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:23,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:53:23,312 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:53:23,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-11-07 01:53:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:24,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:24,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:24,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:24,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-07 01:53:24,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2066428159] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:24,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323874482] [2021-11-07 01:53:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:24,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:53:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:53:24,597 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:53:24,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:53:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:25,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:53:25,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:25,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:25,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323874482] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:25,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 4 imperfect interpolant sequences. [2021-11-07 01:53:25,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5, 5, 5] total 12 [2021-11-07 01:53:25,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296971746] [2021-11-07 01:53:25,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:53:25,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:25,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:53:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:53:25,720 INFO L87 Difference]: Start difference. First operand 138 states and 190 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:25,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:25,889 INFO L93 Difference]: Finished difference Result 441 states and 630 transitions. [2021-11-07 01:53:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:53:25,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-07 01:53:25,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:25,893 INFO L225 Difference]: With dead ends: 441 [2021-11-07 01:53:25,893 INFO L226 Difference]: Without dead ends: 435 [2021-11-07 01:53:25,894 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:53:25,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-11-07 01:53:25,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 264. [2021-11-07 01:53:25,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 262 states have (on average 1.4389312977099236) internal successors, (377), 263 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 377 transitions. [2021-11-07 01:53:25,912 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 377 transitions. Word has length 52 [2021-11-07 01:53:25,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:25,913 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 377 transitions. [2021-11-07 01:53:25,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:25,913 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2021-11-07 01:53:25,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 01:53:25,916 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:25,916 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 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] [2021-11-07 01:53:25,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:26,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:26,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:26,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:26,552 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:26,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:26,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1741058114, now seen corresponding path program 1 times [2021-11-07 01:53:26,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:26,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367435104] [2021-11-07 01:53:26,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:26,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:26,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:26,554 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:26,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-07 01:53:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:27,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:27,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:27,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:27,771 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:27,771 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367435104] [2021-11-07 01:53:27,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367435104] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:27,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1827143099] [2021-11-07 01:53:27,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:27,772 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:27,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:53:27,774 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:53:27,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-07 01:53:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:28,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:53:28,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:28,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:53:28,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1827143099] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:28,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:53:28,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5, 5] total 9 [2021-11-07 01:53:28,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939504016] [2021-11-07 01:53:28,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:53:28,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:28,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:53:28,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:53:28,660 INFO L87 Difference]: Start difference. First operand 264 states and 377 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:28,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:28,720 INFO L93 Difference]: Finished difference Result 610 states and 888 transitions. [2021-11-07 01:53:28,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:53:28,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 59 [2021-11-07 01:53:28,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:28,726 INFO L225 Difference]: With dead ends: 610 [2021-11-07 01:53:28,726 INFO L226 Difference]: Without dead ends: 428 [2021-11-07 01:53:28,728 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:53:28,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2021-11-07 01:53:28,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 264. [2021-11-07 01:53:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 262 states have (on average 1.4236641221374047) internal successors, (373), 263 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:28,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 373 transitions. [2021-11-07 01:53:28,747 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 373 transitions. Word has length 59 [2021-11-07 01:53:28,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:28,748 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 373 transitions. [2021-11-07 01:53:28,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 373 transitions. [2021-11-07 01:53:28,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 01:53:28,752 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:28,752 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 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] [2021-11-07 01:53:28,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:28,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:29,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:29,156 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:29,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:29,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1154252100, now seen corresponding path program 1 times [2021-11-07 01:53:29,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:29,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287888379] [2021-11-07 01:53:29,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:29,157 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:29,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:29,159 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:29,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-07 01:53:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:29,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:29,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:29,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:30,278 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:30,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287888379] [2021-11-07 01:53:30,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287888379] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:30,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [655183020] [2021-11-07 01:53:30,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:30,279 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:30,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:53:30,280 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:53:30,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-07 01:53:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:31,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:53:31,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:31,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:31,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [655183020] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:31,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383765560] [2021-11-07 01:53:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:31,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:53:31,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:53:31,454 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:53:31,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-07 01:53:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:32,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:53:32,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:32,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:53:32,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383765560] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:53:32,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 01:53:32,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 10 [2021-11-07 01:53:32,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556207757] [2021-11-07 01:53:32,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:53:32,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:32,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:53:32,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:53:32,714 INFO L87 Difference]: Start difference. First operand 264 states and 373 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:33,174 INFO L93 Difference]: Finished difference Result 522 states and 747 transitions. [2021-11-07 01:53:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:53:33,176 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 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 59 [2021-11-07 01:53:33,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:33,179 INFO L225 Difference]: With dead ends: 522 [2021-11-07 01:53:33,179 INFO L226 Difference]: Without dead ends: 272 [2021-11-07 01:53:33,181 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:53:33,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-11-07 01:53:33,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2021-11-07 01:53:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 270 states have (on average 1.4185185185185185) internal successors, (383), 271 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:33,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 383 transitions. [2021-11-07 01:53:33,202 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 383 transitions. Word has length 59 [2021-11-07 01:53:33,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:33,202 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 383 transitions. [2021-11-07 01:53:33,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:33,203 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 383 transitions. [2021-11-07 01:53:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 01:53:33,203 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:33,204 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 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] [2021-11-07 01:53:33,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:33,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:33,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-11-07 01:53:33,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:33,813 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:33,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:33,813 INFO L85 PathProgramCache]: Analyzing trace with hash -681164796, now seen corresponding path program 2 times [2021-11-07 01:53:33,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:33,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1436637019] [2021-11-07 01:53:33,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 01:53:33,814 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:33,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:33,815 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:33,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-07 01:53:35,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-07 01:53:35,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:53:35,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:53:35,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:35,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 30 [2021-11-07 01:53:35,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 9 [2021-11-07 01:53:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-07 01:53:35,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-07 01:53:35,900 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:35,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1436637019] [2021-11-07 01:53:35,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1436637019] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:35,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:35,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-07 01:53:35,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229334912] [2021-11-07 01:53:35,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:53:35,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:35,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:53:35,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:53:35,902 INFO L87 Difference]: Start difference. First operand 272 states and 383 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:36,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:36,339 INFO L93 Difference]: Finished difference Result 687 states and 988 transitions. [2021-11-07 01:53:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:53:36,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 63 [2021-11-07 01:53:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:36,346 INFO L225 Difference]: With dead ends: 687 [2021-11-07 01:53:36,346 INFO L226 Difference]: Without dead ends: 444 [2021-11-07 01:53:36,347 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:53:36,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-11-07 01:53:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 280. [2021-11-07 01:53:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 1.4064748201438848) internal successors, (391), 279 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 391 transitions. [2021-11-07 01:53:36,372 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 391 transitions. Word has length 63 [2021-11-07 01:53:36,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:36,372 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 391 transitions. [2021-11-07 01:53:36,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 391 transitions. [2021-11-07 01:53:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 01:53:36,374 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:36,374 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 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] [2021-11-07 01:53:36,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:36,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:36,596 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:36,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash -258462970, now seen corresponding path program 1 times [2021-11-07 01:53:36,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:36,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425756813] [2021-11-07 01:53:36,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:36,597 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:36,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:36,599 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:36,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-07 01:53:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:53:37,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-07 01:53:37,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-07 01:53:37,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:37,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425756813] [2021-11-07 01:53:37,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425756813] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:37,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:37,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 01:53:37,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695585482] [2021-11-07 01:53:37,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:53:37,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:37,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:53:37,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:53:37,725 INFO L87 Difference]: Start difference. First operand 280 states and 391 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:37,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:37,874 INFO L93 Difference]: Finished difference Result 820 states and 1184 transitions. [2021-11-07 01:53:37,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:53:37,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 63 [2021-11-07 01:53:37,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:37,880 INFO L225 Difference]: With dead ends: 820 [2021-11-07 01:53:37,880 INFO L226 Difference]: Without dead ends: 632 [2021-11-07 01:53:37,881 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:53:37,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-11-07 01:53:37,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 280. [2021-11-07 01:53:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 1.3920863309352518) internal successors, (387), 279 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 387 transitions. [2021-11-07 01:53:37,905 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 387 transitions. Word has length 63 [2021-11-07 01:53:37,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:37,906 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 387 transitions. [2021-11-07 01:53:37,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 387 transitions. [2021-11-07 01:53:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-07 01:53:37,907 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:37,907 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 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] [2021-11-07 01:53:37,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:38,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:38,129 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:53:38,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:38,130 INFO L85 PathProgramCache]: Analyzing trace with hash -471457758, now seen corresponding path program 1 times [2021-11-07 01:53:38,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:53:38,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114370407] [2021-11-07 01:53:38,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:38,131 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:53:38,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:53:38,132 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:53:38,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-07 01:53:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:53:39,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:53:39,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:53:39,495 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:39,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 74 [2021-11-07 01:53:39,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:53:39,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 51 [2021-11-07 01:53:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-07 01:53:39,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:53:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-07 01:53:39,980 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:53:39,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114370407] [2021-11-07 01:53:39,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114370407] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:53:39,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:53:39,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-07 01:53:39,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290029661] [2021-11-07 01:53:39,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:53:39,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:53:39,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:53:39,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:53:39,983 INFO L87 Difference]: Start difference. First operand 280 states and 387 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:41,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:41,020 INFO L93 Difference]: Finished difference Result 506 states and 703 transitions. [2021-11-07 01:53:41,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:53:41,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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 66 [2021-11-07 01:53:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:41,023 INFO L225 Difference]: With dead ends: 506 [2021-11-07 01:53:41,023 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:53:41,024 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:53:41,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:53:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:53:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:41,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:53:41,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2021-11-07 01:53:41,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:41,025 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:53:41,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:53:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:53:41,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:53:41,028 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:53:41,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:53:41,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:41,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:53:41,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:53:41,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:41,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:53:44,297 INFO L857 garLoopResultBuilder]: For program point L6113-2(lines 6113 6116) no Hoare annotation was computed. [2021-11-07 01:53:44,298 INFO L857 garLoopResultBuilder]: For program point L6113(lines 6113 6116) no Hoare annotation was computed. [2021-11-07 01:53:44,298 INFO L853 garLoopResultBuilder]: At program point L6394(lines 6393 6395) the Hoare annotation is: (and (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,298 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6264) no Hoare annotation was computed. [2021-11-07 01:53:44,298 INFO L853 garLoopResultBuilder]: At program point L6328(lines 6314 6330) the Hoare annotation is: (let ((.cse7 (bvadd |~#pppox_protos~0.offset| (bvmul ((_ sign_extend 32) ULTIMATE.start_pppox_create_~protocol) (_ bv8 64))))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse7)) (.cse6 (bvadd (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse7) (_ bv16 64)))) (let ((.cse4 (select (select |#memory_$Pointer$.base| .cse5) .cse6)) (.cse3 (select (select |#memory_$Pointer$.offset| .cse5) .cse6))) (let ((.cse0 (= .cse3 ULTIMATE.start_ldv_try_module_get_~module.offset)) (.cse1 (= ULTIMATE.start_ldv_try_module_get_~module.base .cse4)) (.cse2 (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)))) (or (and (= (_ bv1 32) |ULTIMATE.start_ldv_try_module_get_#res|) .cse0 .cse1 .cse2 (not (= (_ bv0 64) (bvadd .cse3 .cse4))) (= (_ bv2 32) ~ldv_module_refcounter~0)) (and (= (_ bv0 32) |ULTIMATE.start_ldv_try_module_get_#res|) .cse0 .cse1 .cse2 (= ~ldv_module_refcounter~0 (_ bv1 32)))))))) [2021-11-07 01:53:44,298 INFO L860 garLoopResultBuilder]: At program point L5932-1(lines 5931 5934) the Hoare annotation is: true [2021-11-07 01:53:44,299 INFO L860 garLoopResultBuilder]: At program point L5932-2(lines 5931 5934) the Hoare annotation is: true [2021-11-07 01:53:44,299 INFO L860 garLoopResultBuilder]: At program point L5932(lines 5931 5934) the Hoare annotation is: true [2021-11-07 01:53:44,299 INFO L857 garLoopResultBuilder]: For program point L6180(lines 6180 6236) no Hoare annotation was computed. [2021-11-07 01:53:44,299 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,299 INFO L860 garLoopResultBuilder]: At program point L6362(lines 6359 6368) the Hoare annotation is: true [2021-11-07 01:53:44,299 INFO L857 garLoopResultBuilder]: For program point L6263(line 6263) no Hoare annotation was computed. [2021-11-07 01:53:44,300 INFO L857 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2021-11-07 01:53:44,300 INFO L857 garLoopResultBuilder]: For program point L6214(lines 6214 6218) no Hoare annotation was computed. [2021-11-07 01:53:44,300 INFO L857 garLoopResultBuilder]: For program point L6181(line 6181) no Hoare annotation was computed. [2021-11-07 01:53:44,300 INFO L857 garLoopResultBuilder]: For program point L6214-2(lines 6212 6224) no Hoare annotation was computed. [2021-11-07 01:53:44,300 INFO L857 garLoopResultBuilder]: For program point L6182(lines 6182 6197) no Hoare annotation was computed. [2021-11-07 01:53:44,301 INFO L853 garLoopResultBuilder]: At program point L5918(lines 5913 5920) the Hoare annotation is: (let ((.cse4 (bvadd |~#pppox_protos~0.offset| (bvmul ((_ sign_extend 32) ULTIMATE.start_pppox_create_~protocol) (_ bv8 64))))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (bvadd (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) (_ bv16 64)))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.base| .cse2) .cse3))) (and (= .cse0 ULTIMATE.start_ldv_try_module_get_~module.offset) (= ULTIMATE.start_ldv_try_module_get_~module.base .cse1) (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (not (= (_ bv0 64) (bvadd .cse0 .cse1))) (= ~ldv_module_refcounter~0 (_ bv1 32)))))) [2021-11-07 01:53:44,301 INFO L853 garLoopResultBuilder]: At program point L6397(lines 1 6402) the Hoare annotation is: (= ~ldv_module_refcounter~0 (_ bv1 32)) [2021-11-07 01:53:44,301 INFO L857 garLoopResultBuilder]: For program point L6199(line 6199) no Hoare annotation was computed. [2021-11-07 01:53:44,301 INFO L853 garLoopResultBuilder]: At program point L6133(lines 6106 6135) the Hoare annotation is: (and (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,301 INFO L853 garLoopResultBuilder]: At program point L5902(lines 5894 5904) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,301 INFO L853 garLoopResultBuilder]: At program point L5902-1(lines 5894 5904) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,302 INFO L853 garLoopResultBuilder]: At program point L6249(lines 6244 6251) the Hoare annotation is: (let ((.cse7 (bvadd |~#pppox_protos~0.offset| (bvmul ((_ sign_extend 32) ULTIMATE.start_pppox_create_~protocol) (_ bv8 64))))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse7)) (.cse6 (bvadd (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse7) (_ bv16 64)))) (let ((.cse4 (select (select |#memory_$Pointer$.base| .cse5) .cse6)) (.cse3 (select (select |#memory_$Pointer$.offset| .cse5) .cse6))) (let ((.cse0 (= .cse3 ULTIMATE.start_ldv_try_module_get_~module.offset)) (.cse1 (= ULTIMATE.start_ldv_try_module_get_~module.base .cse4)) (.cse2 (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)))) (or (and (= (_ bv0 32) |ULTIMATE.start_ldv_try_module_get_#res|) .cse0 .cse1 .cse2 (= ~ldv_module_refcounter~0 (_ bv1 32)) (= |ULTIMATE.start_ldv_try_module_get_5_#res| (_ bv0 8))) (and (= (_ bv1 32) |ULTIMATE.start_ldv_try_module_get_#res|) .cse0 .cse1 .cse2 (not (= (_ bv0 64) (bvadd .cse3 .cse4))) (= (_ bv1 8) |ULTIMATE.start_ldv_try_module_get_5_#res|) (= (_ bv2 32) ~ldv_module_refcounter~0))))))) [2021-11-07 01:53:44,302 INFO L857 garLoopResultBuilder]: For program point L6117(lines 6117 6130) no Hoare annotation was computed. [2021-11-07 01:53:44,302 INFO L853 garLoopResultBuilder]: At program point L6134(lines 6101 6136) the Hoare annotation is: (and (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,302 INFO L857 garLoopResultBuilder]: For program point L6200(lines 6200 6232) no Hoare annotation was computed. [2021-11-07 01:53:44,302 INFO L857 garLoopResultBuilder]: For program point L6184(lines 6184 6194) no Hoare annotation was computed. [2021-11-07 01:53:44,303 INFO L857 garLoopResultBuilder]: For program point L6234(line 6234) no Hoare annotation was computed. [2021-11-07 01:53:44,303 INFO L857 garLoopResultBuilder]: For program point L6185(line 6185) no Hoare annotation was computed. [2021-11-07 01:53:44,303 INFO L857 garLoopResultBuilder]: For program point L6334(lines 6334 6341) no Hoare annotation was computed. [2021-11-07 01:53:44,303 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,303 INFO L857 garLoopResultBuilder]: For program point L6202(lines 6202 6229) no Hoare annotation was computed. [2021-11-07 01:53:44,304 INFO L853 garLoopResultBuilder]: At program point L6334-2(lines 1 6402) the Hoare annotation is: (let ((.cse4 (bvadd |~#pppox_protos~0.offset| (bvmul ((_ sign_extend 32) ULTIMATE.start_pppox_create_~protocol) (_ bv8 64))))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (bvadd (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) (_ bv16 64)))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.base| .cse2) .cse3))) (and (= (_ bv1 32) |ULTIMATE.start_ldv_try_module_get_#res|) (not (= (_ bv0 64) (bvadd ULTIMATE.start_ldv_module_put_~module.base ULTIMATE.start_ldv_module_put_~module.offset))) (= .cse0 ULTIMATE.start_ldv_try_module_get_~module.offset) (= ULTIMATE.start_ldv_try_module_get_~module.base .cse1) (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (not (= (_ bv0 64) (bvadd .cse0 .cse1))) (= (_ bv1 8) |ULTIMATE.start_ldv_try_module_get_5_#res|) (= (_ bv1 8) ULTIMATE.start_pppox_create_~tmp~8) (= ULTIMATE.start_pppox_create_~tmp___0~3 (_ bv0 32)) (= ~ldv_module_refcounter~0 (_ bv1 32)))))) [2021-11-07 01:53:44,304 INFO L857 garLoopResultBuilder]: For program point L6318(lines 6318 6327) no Hoare annotation was computed. [2021-11-07 01:53:44,304 INFO L857 garLoopResultBuilder]: For program point L6186(lines 6186 6190) no Hoare annotation was computed. [2021-11-07 01:53:44,304 INFO L857 garLoopResultBuilder]: For program point L6335-1(lines 6335 6338) no Hoare annotation was computed. [2021-11-07 01:53:44,304 INFO L857 garLoopResultBuilder]: For program point L6335(lines 6335 6338) no Hoare annotation was computed. [2021-11-07 01:53:44,304 INFO L857 garLoopResultBuilder]: For program point L6203(line 6203) no Hoare annotation was computed. [2021-11-07 01:53:44,305 INFO L857 garLoopResultBuilder]: For program point L6121-2(lines 6119 6130) no Hoare annotation was computed. [2021-11-07 01:53:44,305 INFO L857 garLoopResultBuilder]: For program point L6121(lines 6121 6125) no Hoare annotation was computed. [2021-11-07 01:53:44,305 INFO L857 garLoopResultBuilder]: For program point L5857(lines 5857 5859) no Hoare annotation was computed. [2021-11-07 01:53:44,305 INFO L857 garLoopResultBuilder]: For program point L5857-1(lines 5857 5859) no Hoare annotation was computed. [2021-11-07 01:53:44,305 INFO L853 garLoopResultBuilder]: At program point L6237(lines 6167 6242) the Hoare annotation is: (and (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,305 INFO L857 garLoopResultBuilder]: For program point L6204(lines 6204 6209) no Hoare annotation was computed. [2021-11-07 01:53:44,306 INFO L857 garLoopResultBuilder]: For program point L6320(lines 6320 6325) no Hoare annotation was computed. [2021-11-07 01:53:44,306 INFO L853 garLoopResultBuilder]: At program point L6221(lines 6362 6365) the Hoare annotation is: (= ~ldv_module_refcounter~0 (_ bv1 32)) [2021-11-07 01:53:44,306 INFO L857 garLoopResultBuilder]: For program point L5858(line 5858) no Hoare annotation was computed. [2021-11-07 01:53:44,306 INFO L857 garLoopResultBuilder]: For program point L5858-2(line 5858) no Hoare annotation was computed. [2021-11-07 01:53:44,306 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,306 INFO L857 garLoopResultBuilder]: For program point L6108(lines 6108 6111) no Hoare annotation was computed. [2021-11-07 01:53:44,307 INFO L853 garLoopResultBuilder]: At program point L5910(lines 5905 5912) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,307 INFO L853 garLoopResultBuilder]: At program point L5910-1(lines 5905 5912) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,307 INFO L860 garLoopResultBuilder]: At program point L6241(lines 6156 6243) the Hoare annotation is: true [2021-11-07 01:53:44,307 INFO L857 garLoopResultBuilder]: For program point L6192(line 6192) no Hoare annotation was computed. [2021-11-07 01:53:44,307 INFO L853 garLoopResultBuilder]: At program point L6143(lines 6138 6145) the Hoare annotation is: (and (or (not (bvult |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (bvult (bvadd |ULTIMATE.start_#Ultimate.C_memset_#t~loopctr96| (_ bv1 64)) |ULTIMATE.start_#Ultimate.C_memset_#amount|)) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,307 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,308 INFO L857 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,308 INFO L857 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,308 INFO L853 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,308 INFO L857 garLoopResultBuilder]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,308 INFO L853 garLoopResultBuilder]: At program point L-1-7(line -1) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,308 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6264) no Hoare annotation was computed. [2021-11-07 01:53:44,309 INFO L857 garLoopResultBuilder]: For program point L-1-8(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,309 INFO L857 garLoopResultBuilder]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-11-07 01:53:44,309 INFO L857 garLoopResultBuilder]: For program point L6227(line 6227) no Hoare annotation was computed. [2021-11-07 01:53:44,309 INFO L857 garLoopResultBuilder]: For program point L6211(line 6211) no Hoare annotation was computed. [2021-11-07 01:53:44,309 INFO L853 garLoopResultBuilder]: At program point L6377(lines 6376 6378) the Hoare annotation is: (and (= (_ bv0 32) ~ldv_state_variable_1~0) (= ~ldv_module_refcounter~0 (_ bv1 32))) [2021-11-07 01:53:44,309 INFO L857 garLoopResultBuilder]: For program point L6212(lines 6212 6225) no Hoare annotation was computed. [2021-11-07 01:53:44,313 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:53:44,314 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:53:44,326 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,326 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,327 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,327 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,327 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,335 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,336 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,337 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,338 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,339 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,343 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,344 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,345 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,346 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,348 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,350 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,352 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,352 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,353 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,354 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,354 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,354 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,354 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,355 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,358 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,359 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,359 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,359 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,360 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,361 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,362 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,366 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,367 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,368 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,369 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,370 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,371 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,372 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,373 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:53:44 BoogieIcfgContainer [2021-11-07 01:53:44,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:53:44,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:53:44,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:53:44,376 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:53:44,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:53:10" (3/4) ... [2021-11-07 01:53:44,380 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:53:44,395 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2021-11-07 01:53:44,396 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-07 01:53:44,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:53:44,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:53:44,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && !(0bv64 == ~bvadd16(#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)], #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]))) && 2bv32 == ldv_module_refcounter) || ((((0bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && ldv_module_refcounter == 1bv32) [2021-11-07 01:53:44,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && ldv_module_refcounter == 1bv32) && \result == 0bv8) || ((((((1bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && !(0bv64 == ~bvadd16(#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)], #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]))) && 1bv8 == \result) && 2bv32 == ldv_module_refcounter) [2021-11-07 01:53:44,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1bv32 == \result && !(0bv64 == ~bvadd16(module, module))) && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && !(0bv64 == ~bvadd16(#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)], #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]))) && 1bv8 == \result) && 1bv8 == tmp) && tmp___0 == 0bv32) && ldv_module_refcounter == 1bv32 [2021-11-07 01:53:44,478 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:53:44,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:53:44,479 INFO L168 Benchmark]: Toolchain (without parser) took 36838.18 ms. Allocated memory was 58.7 MB in the beginning and 226.5 MB in the end (delta: 167.8 MB). Free memory was 28.8 MB in the beginning and 112.1 MB in the end (delta: -83.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:44,480 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 40.0 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:53:44,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1532.73 ms. Allocated memory was 58.7 MB in the beginning and 127.9 MB in the end (delta: 69.2 MB). Free memory was 28.7 MB in the beginning and 64.2 MB in the end (delta: -35.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:44,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.64 ms. Allocated memory is still 127.9 MB. Free memory was 64.2 MB in the beginning and 60.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:44,481 INFO L168 Benchmark]: Boogie Preprocessor took 70.89 ms. Allocated memory is still 127.9 MB. Free memory was 60.0 MB in the beginning and 56.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:44,482 INFO L168 Benchmark]: RCFGBuilder took 987.08 ms. Allocated memory is still 127.9 MB. Free memory was 56.4 MB in the beginning and 47.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:44,482 INFO L168 Benchmark]: TraceAbstraction took 34020.38 ms. Allocated memory was 127.9 MB in the beginning and 226.5 MB in the end (delta: 98.6 MB). Free memory was 47.3 MB in the beginning and 122.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 99.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:44,482 INFO L168 Benchmark]: Witness Printer took 102.91 ms. Allocated memory is still 226.5 MB. Free memory was 122.7 MB in the beginning and 112.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:44,485 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 58.7 MB. Free memory was 40.0 MB in the beginning and 40.0 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1532.73 ms. Allocated memory was 58.7 MB in the beginning and 127.9 MB in the end (delta: 69.2 MB). Free memory was 28.7 MB in the beginning and 64.2 MB in the end (delta: -35.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.64 ms. Allocated memory is still 127.9 MB. Free memory was 64.2 MB in the beginning and 60.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.89 ms. Allocated memory is still 127.9 MB. Free memory was 60.0 MB in the beginning and 56.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 987.08 ms. Allocated memory is still 127.9 MB. Free memory was 56.4 MB in the beginning and 47.9 MB in the end (delta: 8.5 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34020.38 ms. Allocated memory was 127.9 MB in the beginning and 226.5 MB in the end (delta: 98.6 MB). Free memory was 47.3 MB in the beginning and 122.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 99.8 MB. Max. memory is 16.1 GB. * Witness Printer took 102.91 ms. Allocated memory is still 226.5 MB. Free memory was 122.7 MB in the beginning and 112.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * 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 - PositiveResult [Line: 6264]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 6264]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 33.9s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1358 SDtfs, 1405 SDslu, 2719 SDs, 0 SdLazy, 237 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2139 GetRequests, 2057 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=10, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1221 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 112 NumberOfFragments, 812 HoareAnnotationTreeSize, 23 FomulaSimplifications, 75620 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 23 FomulaSimplificationsInter, 3456 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 1083 NumberOfCodeBlocks, 1083 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2122 ConstructedInterpolants, 0 QuantifiedInterpolants, 3916 SizeOfPredicates, 93 NumberOfNonLiveVariables, 8131 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 44 InterpolantComputations, 22 PerfectInterpolantSequences, 434/500 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 5905]: Loop Invariant Derived loop invariant: (0bv32 == ldv_state_variable_1 && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 6244]: Loop Invariant [2021-11-07 01:53:44,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,505 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,506 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,507 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,508 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,509 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,510 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,510 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,511 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,512 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,513 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,514 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((0bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && ldv_module_refcounter == 1bv32) && \result == 0bv8) || ((((((1bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && !(0bv64 == ~bvadd16(#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)], #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]))) && 1bv8 == \result) && 2bv32 == ldv_module_refcounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1bv32 - InvariantResult [Line: 1]: Loop Invariant [2021-11-07 01:53:44,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,516 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,517 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,518 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,519 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,520 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,521 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((1bv32 == \result && !(0bv64 == ~bvadd16(module, module))) && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && !(0bv64 == ~bvadd16(#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)], #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]))) && 1bv8 == \result) && 1bv8 == tmp) && tmp___0 == 0bv32) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 6138]: Loop Invariant Derived loop invariant: (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown)) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 6314]: Loop Invariant [2021-11-07 01:53:44,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,523 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,524 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,525 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,526 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,528 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,529 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((1bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && !(0bv64 == ~bvadd16(#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)], #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]))) && 2bv32 == ldv_module_refcounter) || ((((0bv32 == \result && #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module) && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && ldv_module_refcounter == 1bv32) - InvariantResult [Line: 6156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6376]: Loop Invariant Derived loop invariant: 0bv32 == ldv_state_variable_1 && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 6362]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1bv32 - InvariantResult [Line: 5894]: Loop Invariant Derived loop invariant: 0bv32 == ldv_state_variable_1 && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 5905]: Loop Invariant Derived loop invariant: (0bv32 == ldv_state_variable_1 && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0bv32 == ldv_state_variable_1 && ldv_module_refcounter == 1bv32 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0bv32 == ldv_state_variable_1 && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 5894]: Loop Invariant Derived loop invariant: 0bv32 == ldv_state_variable_1 && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 6167]: Loop Invariant Derived loop invariant: (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown)) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 6359]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6101]: Loop Invariant Derived loop invariant: (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown)) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 5913]: Loop Invariant [2021-11-07 01:53:44,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-07 01:53:44,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-07 01:53:44,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)] == module && module == #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]) && (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown))) && !(0bv64 == ~bvadd16(#memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)], #memory_$Pointer$[#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))]][~bvadd16(#memory_$Pointer$[pppox_protos][~bvadd16(pppox_protos, ~bvmul64(~sign_extendFrom32To64(protocol), 8bv64))], 16bv64)]))) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 5931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6393]: Loop Invariant Derived loop invariant: (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown)) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 5931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6106]: Loop Invariant Derived loop invariant: (!~bvult64(aux-#t~loopctr96-aux, unknown-#amount-unknown) || ~bvult64(~bvadd16(aux-#t~loopctr96-aux, 1bv64), unknown-#amount-unknown)) && ldv_module_refcounter == 1bv32 - InvariantResult [Line: 5931]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:53:44,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6195224c-3a8c-4dea-9e7c-1f2dde5ed0fe/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE