./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 253b2130a235408df8c2a581facc1d40316361da7beeb584c737673c98999cc2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:25:32,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:25:32,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:25:32,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:25:32,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:25:32,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:25:32,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:25:32,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:25:32,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:25:32,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:25:32,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:25:32,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:25:32,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:25:32,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:25:32,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:25:32,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:25:32,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:25:32,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:25:32,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:25:32,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:25:32,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:25:32,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:25:32,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:25:32,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:25:32,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:25:32,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:25:32,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:25:32,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:25:32,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:25:32,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:25:32,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:25:32,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:25:32,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:25:32,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:25:32,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:25:32,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:25:32,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:25:32,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:25:32,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:25:32,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:25:32,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:25:32,892 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:25:32,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:25:32,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:25:32,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:25:32,940 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:25:32,941 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:25:32,941 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:25:32,941 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:25:32,941 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:25:32,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:25:32,948 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:25:32,949 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:25:32,949 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:25:32,950 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:25:32,950 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:25:32,950 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:25:32,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:25:32,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:25:32,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:25:32,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:25:32,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:25:32,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:25:32,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:25:32,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:25:32,952 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:25:32,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:25:32,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:25:32,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:25:32,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:25:32,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:25:32,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:25:32,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:25:32,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:25:32,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:25:32,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:25:32,955 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:25:32,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:25:32,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:25:32,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:25:32,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:25:32,956 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_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253b2130a235408df8c2a581facc1d40316361da7beeb584c737673c98999cc2 [2021-11-03 05:25:33,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:25:33,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:25:33,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:25:33,354 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:25:33,357 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:25:33,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c [2021-11-03 05:25:33,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/71be1ca74/dca242f74bea458abc50704dc7a4da0a/FLAG5cd5e85b6 [2021-11-03 05:25:34,164 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:25:34,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c [2021-11-03 05:25:34,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/71be1ca74/dca242f74bea458abc50704dc7a4da0a/FLAG5cd5e85b6 [2021-11-03 05:25:34,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/71be1ca74/dca242f74bea458abc50704dc7a4da0a [2021-11-03 05:25:34,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:25:34,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:25:34,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:25:34,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:25:34,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:25:34,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:34" (1/1) ... [2021-11-03 05:25:34,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9601c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:34, skipping insertion in model container [2021-11-03 05:25:34,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:34" (1/1) ... [2021-11-03 05:25:34,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:25:34,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:25:34,814 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_0804821d-7467-48d5-a944-8585f393e9b2/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c[65405,65418] [2021-11-03 05:25:34,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:25:34,859 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) [2021-11-03 05:25:34,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34ee417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:34, skipping insertion in model container [2021-11-03 05:25:34,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:25:34,867 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:25:34,869 INFO L168 Benchmark]: Toolchain (without parser) took 570.85 ms. Allocated memory is still 90.2 MB. Free memory was 50.9 MB in the beginning and 56.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:25:34,871 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:25:34,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.65 ms. Allocated memory is still 90.2 MB. Free memory was 50.7 MB in the beginning and 56.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:25:34,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 90.2 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.65 ms. Allocated memory is still 90.2 MB. Free memory was 50.7 MB in the beginning and 56.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1050]: 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_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 253b2130a235408df8c2a581facc1d40316361da7beeb584c737673c98999cc2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:25:37,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:25:37,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:25:37,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:25:37,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:25:37,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:25:37,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:25:37,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:25:37,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:25:37,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:25:37,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:25:37,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:25:37,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:25:37,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:25:37,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:25:37,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:25:37,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:25:37,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:25:37,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:25:37,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:25:37,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:25:37,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:25:37,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:25:37,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:25:37,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:25:37,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:25:37,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:25:37,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:25:37,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:25:37,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:25:37,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:25:37,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:25:37,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:25:37,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:25:37,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:25:37,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:25:37,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:25:37,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:25:37,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:25:37,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:25:37,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:25:37,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 05:25:37,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:25:37,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:25:37,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:25:37,244 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:25:37,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:25:37,244 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:25:37,245 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:25:37,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:25:37,246 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:25:37,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:25:37,248 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:25:37,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:25:37,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:25:37,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:25:37,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:25:37,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:25:37,250 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:25:37,250 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:25:37,250 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:25:37,250 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:25:37,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:25:37,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:25:37,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:25:37,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:25:37,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:25:37,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:25:37,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:25:37,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:25:37,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:25:37,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:25:37,253 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:25:37,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:25:37,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:25:37,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:25:37,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:25:37,254 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_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 253b2130a235408df8c2a581facc1d40316361da7beeb584c737673c98999cc2 [2021-11-03 05:25:37,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:25:37,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:25:37,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:25:37,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:25:37,743 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:25:37,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c [2021-11-03 05:25:37,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/e5456140b/25777b03a85d4bb583f855dbd398081e/FLAG966f682a1 [2021-11-03 05:25:38,618 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:25:38,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c [2021-11-03 05:25:38,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/e5456140b/25777b03a85d4bb583f855dbd398081e/FLAG966f682a1 [2021-11-03 05:25:38,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/data/e5456140b/25777b03a85d4bb583f855dbd398081e [2021-11-03 05:25:38,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:25:38,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:25:38,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:25:38,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:25:38,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:25:38,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:38" (1/1) ... [2021-11-03 05:25:38,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ae16d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:38, skipping insertion in model container [2021-11-03 05:25:38,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:25:38" (1/1) ... [2021-11-03 05:25:38,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:25:38,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:25:39,392 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_0804821d-7467-48d5-a944-8585f393e9b2/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c[65405,65418] [2021-11-03 05:25:39,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:25:39,421 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:25:39,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:25:39,600 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_0804821d-7467-48d5-a944-8585f393e9b2/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c[65405,65418] [2021-11-03 05:25:39,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:25:39,612 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:25:39,725 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_0804821d-7467-48d5-a944-8585f393e9b2/sv-benchmarks/c/openssl/s3_clnt.blast.04.i.cil-1.c[65405,65418] [2021-11-03 05:25:39,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:25:39,763 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:25:39,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39 WrapperNode [2021-11-03 05:25:39,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:25:39,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:25:39,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:25:39,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:25:39,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:39,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:39,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:25:39,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:25:39,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:25:39,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:25:39,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:39,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:39,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:39,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:40,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:40,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:40,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:40,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:25:40,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:25:40,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:25:40,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:25:40,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (1/1) ... [2021-11-03 05:25:40,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:25:40,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:25:40,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:25:40,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:25:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:25:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:25:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:25:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:25:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:25:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:25:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:25:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:25:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:25:40,456 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:25:49,292 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-03 05:25:49,292 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-03 05:25:49,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:25:49,300 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 05:25:49,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:25:49 BoogieIcfgContainer [2021-11-03 05:25:49,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:25:49,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:25:49,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:25:49,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:25:49,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:25:38" (1/3) ... [2021-11-03 05:25:49,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dba6b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:25:49, skipping insertion in model container [2021-11-03 05:25:49,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:25:39" (2/3) ... [2021-11-03 05:25:49,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dba6b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:25:49, skipping insertion in model container [2021-11-03 05:25:49,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:25:49" (3/3) ... [2021-11-03 05:25:49,311 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.04.i.cil-1.c [2021-11-03 05:25:49,317 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:25:49,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:25:49,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:25:49,376 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 [2021-11-03 05:25:49,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:25:49,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 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) [2021-11-03 05:25:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-03 05:25:49,402 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:25:49,403 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:25:49,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:25:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:25:49,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695037, now seen corresponding path program 1 times [2021-11-03 05:25:49,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:25:49,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430665364] [2021-11-03 05:25:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:25:49,427 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:25:49,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:25:49,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:25:49,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:25:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:25:49,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:25:49,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:25:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:25:49,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:25:50,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:25:50,097 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:25:50,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430665364] [2021-11-03 05:25:50,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430665364] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:25:50,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:25:50,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:25:50,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628388077] [2021-11-03 05:25:50,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:25:50,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:25:50,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:25:50,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:25:50,135 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 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 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-03 05:25:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:25:50,336 INFO L93 Difference]: Finished difference Result 487 states and 823 transitions. [2021-11-03 05:25:50,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:25:50,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-03 05:25:50,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:25:50,365 INFO L225 Difference]: With dead ends: 487 [2021-11-03 05:25:50,365 INFO L226 Difference]: Without dead ends: 314 [2021-11-03 05:25:50,370 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:25:50,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-11-03 05:25:50,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2021-11-03 05:25:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.5015974440894568) internal successors, (470), 313 states have internal predecessors, (470), 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) [2021-11-03 05:25:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 470 transitions. [2021-11-03 05:25:50,476 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 470 transitions. Word has length 24 [2021-11-03 05:25:50,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:25:50,477 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 470 transitions. [2021-11-03 05:25:50,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-03 05:25:50,477 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 470 transitions. [2021-11-03 05:25:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 05:25:50,482 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:25:50,482 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-11-03 05:25:50,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:25:50,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:25:50,705 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:25:50,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:25:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1854239308, now seen corresponding path program 1 times [2021-11-03 05:25:50,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:25:50,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649544337] [2021-11-03 05:25:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:25:50,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:25:50,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:25:50,711 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:25:50,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:25:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:25:51,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:25:51,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:25:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:25:51,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:25:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:25:51,474 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:25:51,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649544337] [2021-11-03 05:25:51,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649544337] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:25:51,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:25:51,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:25:51,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168978014] [2021-11-03 05:25:51,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:25:51,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:25:51,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:25:51,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:25:51,478 INFO L87 Difference]: Start difference. First operand 314 states and 470 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-11-03 05:25:53,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:25:53,651 INFO L93 Difference]: Finished difference Result 721 states and 1085 transitions. [2021-11-03 05:25:53,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:25:53,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 60 [2021-11-03 05:25:53,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:25:53,657 INFO L225 Difference]: With dead ends: 721 [2021-11-03 05:25:53,657 INFO L226 Difference]: Without dead ends: 515 [2021-11-03 05:25:53,660 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:25:53,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-11-03 05:25:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2021-11-03 05:25:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 514 states have (on average 1.4941634241245136) internal successors, (768), 514 states have internal predecessors, (768), 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) [2021-11-03 05:25:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 768 transitions. [2021-11-03 05:25:53,698 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 768 transitions. Word has length 60 [2021-11-03 05:25:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:25:53,698 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 768 transitions. [2021-11-03 05:25:53,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-11-03 05:25:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 768 transitions. [2021-11-03 05:25:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-03 05:25:53,706 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:25:53,707 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 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] [2021-11-03 05:25:53,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:25:53,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:25:53,922 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:25:53,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:25:53,923 INFO L85 PathProgramCache]: Analyzing trace with hash 465583256, now seen corresponding path program 1 times [2021-11-03 05:25:53,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:25:53,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970093701] [2021-11-03 05:25:53,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:25:53,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:25:53,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:25:53,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:25:53,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0804821d-7467-48d5-a944-8585f393e9b2/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:25:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:25:55,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:25:55,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:26:17,212 WARN L207 SmtUtils]: Spent 21.88 s on a formula simplification that was a NOOP. DAG size: 19 [2021-11-03 05:26:17,213 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:26:17,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4938 treesize of output 4458 [2021-11-03 05:26:57,566 WARN L207 SmtUtils]: Spent 40.27 s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-03 05:26:57,567 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:26:57,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4439 treesize of output 4067