./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8 --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 175a2ab8a66f0808cff9679e2b3e24e87e294d35 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8 --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 175a2ab8a66f0808cff9679e2b3e24e87e294d35 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:01:15,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:01:15,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:01:15,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:01:15,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:01:15,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:01:15,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:01:15,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:01:15,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:01:15,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:01:15,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:01:15,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:01:15,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:01:15,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:01:15,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:01:15,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:01:15,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:01:15,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:01:15,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:01:15,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:01:15,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:01:15,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:01:15,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:01:15,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:01:15,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:01:15,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:01:15,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:01:15,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:01:15,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:01:15,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:01:15,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:01:15,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:01:15,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:01:15,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:01:15,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:01:15,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:01:15,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:01:15,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:01:15,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:01:15,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:01:15,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:01:15,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:01:15,954 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:01:15,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:01:15,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:01:15,961 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:01:15,961 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:01:15,962 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:01:15,962 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:01:15,962 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:01:15,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:01:15,963 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:01:15,964 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:01:15,965 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:01:15,965 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:01:15,965 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:01:15,966 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:01:15,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:01:15,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:01:15,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:01:15,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:01:15,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:01:15,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:01:15,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:01:15,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:01:15,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:01:15,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:01:15,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:01:15,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:01:15,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:01:15,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:01:15,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:01:15,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:01:15,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:01:15,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:01:15,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:01:15,974 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:01:15,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:01:15,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:01:15,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:01:15,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:01:15,975 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_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 175a2ab8a66f0808cff9679e2b3e24e87e294d35 [2021-10-13 07:01:16,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:01:16,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:01:16,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:01:16,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:01:16,405 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:01:16,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-10-13 07:01:16,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/8ce6dfa19/568ea9d6990440f3bc131d6743f59750/FLAGa60ef8f53 [2021-10-13 07:01:17,227 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:01:17,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-10-13 07:01:17,286 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/8ce6dfa19/568ea9d6990440f3bc131d6743f59750/FLAGa60ef8f53 [2021-10-13 07:01:17,411 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/8ce6dfa19/568ea9d6990440f3bc131d6743f59750 [2021-10-13 07:01:17,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:01:17,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:01:17,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:17,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:01:17,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:01:17,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:17" (1/1) ... [2021-10-13 07:01:17,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179cc976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:17, skipping insertion in model container [2021-10-13 07:01:17,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:17" (1/1) ... [2021-10-13 07:01:17,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:01:17,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:01:18,156 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_e8355e53-4f50-42b2-8e86-3eac9ba56f79/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72435,72448] [2021-10-13 07:01:18,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:01:18,211 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-13 07:01:18,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@771df917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:18, skipping insertion in model container [2021-10-13 07:01:18,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:18,216 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:01:18,221 INFO L168 Benchmark]: Toolchain (without parser) took 798.93 ms. Allocated memory is still 102.8 MB. Free memory was 61.3 MB in the beginning and 67.7 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:18,223 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 79.9 MB in the beginning and 79.9 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:01:18,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.96 ms. Allocated memory is still 102.8 MB. Free memory was 61.1 MB in the beginning and 67.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:01:18,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 79.9 MB in the beginning and 79.9 MB in the end (delta: 55.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 793.96 ms. Allocated memory is still 102.8 MB. Free memory was 61.1 MB in the beginning and 67.7 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1040]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:01:20,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:01:20,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:01:21,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:01:21,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:01:21,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:01:21,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:01:21,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:01:21,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:01:21,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:01:21,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:01:21,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:01:21,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:01:21,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:01:21,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:01:21,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:01:21,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:01:21,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:01:21,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:01:21,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:01:21,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:01:21,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:01:21,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:01:21,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:01:21,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:01:21,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:01:21,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:01:21,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:01:21,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:01:21,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:01:21,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:01:21,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:01:21,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:01:21,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:01:21,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:01:21,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:01:21,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:01:21,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:01:21,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:01:21,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:01:21,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:01:21,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:01:21,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:01:21,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:01:21,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:01:21,212 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:01:21,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:01:21,213 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:01:21,213 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:01:21,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:01:21,214 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:01:21,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:01:21,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:01:21,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:01:21,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:01:21,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:01:21,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:01:21,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:01:21,218 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:01:21,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:01:21,219 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:01:21,219 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:01:21,219 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:01:21,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:01:21,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:01:21,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:01:21,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:01:21,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:01:21,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:01:21,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:01:21,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:01:21,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:01:21,222 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:01:21,222 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:01:21,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:01:21,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:01:21,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:01:21,224 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_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 175a2ab8a66f0808cff9679e2b3e24e87e294d35 [2021-10-13 07:01:21,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:01:21,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:01:21,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:01:21,762 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:01:21,763 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:01:21,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-10-13 07:01:21,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/dc387a9e8/c339985d785d460c9dc1636a315b5fa3/FLAG9082ae970 [2021-10-13 07:01:22,568 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:01:22,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2021-10-13 07:01:22,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/dc387a9e8/c339985d785d460c9dc1636a315b5fa3/FLAG9082ae970 [2021-10-13 07:01:22,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/data/dc387a9e8/c339985d785d460c9dc1636a315b5fa3 [2021-10-13 07:01:22,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:01:22,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:01:22,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:22,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:01:22,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:01:22,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:22" (1/1) ... [2021-10-13 07:01:22,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7789e8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:22, skipping insertion in model container [2021-10-13 07:01:22,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:01:22" (1/1) ... [2021-10-13 07:01:22,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:01:22,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:01:23,475 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_e8355e53-4f50-42b2-8e86-3eac9ba56f79/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72435,72448] [2021-10-13 07:01:23,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:01:23,541 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 07:01:23,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:01:23,740 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_e8355e53-4f50-42b2-8e86-3eac9ba56f79/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72435,72448] [2021-10-13 07:01:23,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:01:23,765 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:01:23,900 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_e8355e53-4f50-42b2-8e86-3eac9ba56f79/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72435,72448] [2021-10-13 07:01:23,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:01:23,931 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:01:23,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23 WrapperNode [2021-10-13 07:01:23,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:01:23,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:01:23,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:01:23,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:01:23,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:23,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:01:24,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:01:24,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:01:24,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:01:24,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:01:24,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:01:24,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:01:24,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:01:24,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (1/1) ... [2021-10-13 07:01:24,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:01:24,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:01:24,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:01:24,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:01:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 07:01:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 07:01:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:01:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 07:01:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 07:01:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 07:01:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:01:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:01:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 07:01:24,662 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 07:01:35,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-13 07:01:35,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-13 07:01:35,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:01:35,039 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 07:01:35,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:01:35 BoogieIcfgContainer [2021-10-13 07:01:35,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:01:35,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:01:35,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:01:35,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:01:35,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:01:22" (1/3) ... [2021-10-13 07:01:35,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb09c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:01:35, skipping insertion in model container [2021-10-13 07:01:35,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:01:23" (2/3) ... [2021-10-13 07:01:35,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb09c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:01:35, skipping insertion in model container [2021-10-13 07:01:35,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:01:35" (3/3) ... [2021-10-13 07:01:35,052 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2021-10-13 07:01:35,059 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:01:35,060 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 07:01:35,120 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:01:35,128 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 07:01:35,128 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 07:01:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 07:01:35,179 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:35,180 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:35,181 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:01:35,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:35,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1430116946, now seen corresponding path program 1 times [2021-10-13 07:01:35,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:01:35,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876933437] [2021-10-13 07:01:35,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:35,208 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:01:35,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:01:35,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:01:35,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 07:01:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:35,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:01:35,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:01:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:35,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:01:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:36,304 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:01:36,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876933437] [2021-10-13 07:01:36,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876933437] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:36,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:36,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:01:36,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049924780] [2021-10-13 07:01:36,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:01:36,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:01:36,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:01:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:36,338 INFO L87 Difference]: Start difference. First operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 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 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:36,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:36,534 INFO L93 Difference]: Finished difference Result 551 states and 928 transitions. [2021-10-13 07:01:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:01:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 47 [2021-10-13 07:01:36,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:36,555 INFO L225 Difference]: With dead ends: 551 [2021-10-13 07:01:36,555 INFO L226 Difference]: Without dead ends: 375 [2021-10-13 07:01:36,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:36,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-10-13 07:01:36,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2021-10-13 07:01:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 372 states have (on average 1.5188172043010753) internal successors, (565), 372 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 565 transitions. [2021-10-13 07:01:36,690 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 565 transitions. Word has length 47 [2021-10-13 07:01:36,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:36,691 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 565 transitions. [2021-10-13 07:01:36,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 565 transitions. [2021-10-13 07:01:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-13 07:01:36,706 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:36,707 INFO L512 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:36,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 07:01:36,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:01:36,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:01:36,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:36,922 INFO L82 PathProgramCache]: Analyzing trace with hash 315021975, now seen corresponding path program 1 times [2021-10-13 07:01:36,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:01:36,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496956999] [2021-10-13 07:01:36,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:36,924 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:01:36,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:01:36,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:01:36,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 07:01:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:37,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:01:37,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:01:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:37,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:01:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 07:01:38,004 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:01:38,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496956999] [2021-10-13 07:01:38,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496956999] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:38,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:38,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:01:38,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452446514] [2021-10-13 07:01:38,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:01:38,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:01:38,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:01:38,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:38,010 INFO L87 Difference]: Start difference. First operand 373 states and 565 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:38,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:38,213 INFO L93 Difference]: Finished difference Result 855 states and 1302 transitions. [2021-10-13 07:01:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:01:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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 65 [2021-10-13 07:01:38,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:38,221 INFO L225 Difference]: With dead ends: 855 [2021-10-13 07:01:38,221 INFO L226 Difference]: Without dead ends: 613 [2021-10-13 07:01:38,224 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:38,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-13 07:01:38,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 611. [2021-10-13 07:01:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 610 states have (on average 1.5163934426229508) internal successors, (925), 610 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 925 transitions. [2021-10-13 07:01:38,285 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 925 transitions. Word has length 65 [2021-10-13 07:01:38,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:38,286 INFO L470 AbstractCegarLoop]: Abstraction has 611 states and 925 transitions. [2021-10-13 07:01:38,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:38,287 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 925 transitions. [2021-10-13 07:01:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-13 07:01:38,289 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:38,291 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:38,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-13 07:01:38,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:01:38,506 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:01:38,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:38,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1540639451, now seen corresponding path program 1 times [2021-10-13 07:01:38,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:01:38,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810063488] [2021-10-13 07:01:38,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:38,510 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:01:38,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:01:38,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:01:38,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 07:01:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:38,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 07:01:38,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:01:39,513 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:01:39,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:01:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-13 07:01:40,049 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:01:40,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810063488] [2021-10-13 07:01:40,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810063488] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:40,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:40,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-13 07:01:40,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721178433] [2021-10-13 07:01:40,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 07:01:40,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:01:40,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 07:01:40,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:40,062 INFO L87 Difference]: Start difference. First operand 611 states and 925 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:40,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:01:40,283 INFO L93 Difference]: Finished difference Result 1093 states and 1657 transitions. [2021-10-13 07:01:40,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 07:01:40,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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 125 [2021-10-13 07:01:40,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:01:40,290 INFO L225 Difference]: With dead ends: 1093 [2021-10-13 07:01:40,291 INFO L226 Difference]: Without dead ends: 613 [2021-10-13 07:01:40,292 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 07:01:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-13 07:01:40,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-10-13 07:01:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 612 states have (on average 1.5049019607843137) internal successors, (921), 612 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 921 transitions. [2021-10-13 07:01:40,325 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 921 transitions. Word has length 125 [2021-10-13 07:01:40,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:01:40,326 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 921 transitions. [2021-10-13 07:01:40,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:01:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 921 transitions. [2021-10-13 07:01:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-13 07:01:40,330 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:01:40,330 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:01:40,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 07:01:40,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:01:40,553 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:01:40,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:01:40,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1760202500, now seen corresponding path program 1 times [2021-10-13 07:01:40,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:01:40,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300657137] [2021-10-13 07:01:40,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:01:40,557 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:01:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:01:40,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:01:40,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 07:01:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:01:41,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 07:01:41,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:01:41,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 07:01:41,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-13 07:01:41,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:41,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-10-13 07:01:41,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 169 treesize of output 158 [2021-10-13 07:01:42,138 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-10-13 07:01:42,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 469 treesize of output 441 [2021-10-13 07:01:42,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:42,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-10-13 07:01:42,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 169 treesize of output 158 [2021-10-13 07:01:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,359 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-10-13 07:01:42,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 49 [2021-10-13 07:01:42,515 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-10-13 07:01:42,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 13 [2021-10-13 07:01:42,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:01:42,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-13 07:01:42,606 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 37 treesize of output 25 [2021-10-13 07:01:42,614 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 22 treesize of output 10 [2021-10-13 07:01:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-10-13 07:01:43,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:01:43,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:43,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-10-13 07:01:43,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:43,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-10-13 07:01:43,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:43,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 287 [2021-10-13 07:01:43,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:43,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 404 [2021-10-13 07:01:43,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:43,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-10-13 07:01:43,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 07:01:43,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 578 [2021-10-13 07:01:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-10-13 07:01:44,270 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:01:44,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300657137] [2021-10-13 07:01:44,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300657137] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:01:44,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:01:44,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-13 07:01:44,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852045052] [2021-10-13 07:01:44,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:01:44,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:01:44,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:01:44,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:01:44,274 INFO L87 Difference]: Start difference. First operand 613 states and 921 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:02:05,518 INFO L93 Difference]: Finished difference Result 1223 states and 1838 transitions. [2021-10-13 07:02:05,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:02:05,520 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 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 128 [2021-10-13 07:02:05,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:02:05,525 INFO L225 Difference]: With dead ends: 1223 [2021-10-13 07:02:05,525 INFO L226 Difference]: Without dead ends: 613 [2021-10-13 07:02:05,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 247 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 331.9ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:02:05,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2021-10-13 07:02:05,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 613. [2021-10-13 07:02:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 613 states, 612 states have (on average 1.5032679738562091) internal successors, (920), 612 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 920 transitions. [2021-10-13 07:02:05,558 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 920 transitions. Word has length 128 [2021-10-13 07:02:05,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:02:05,558 INFO L470 AbstractCegarLoop]: Abstraction has 613 states and 920 transitions. [2021-10-13 07:02:05,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:05,559 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 920 transitions. [2021-10-13 07:02:05,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-13 07:02:05,561 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:02:05,561 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:02:05,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 07:02:05,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:02:05,782 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:02:05,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:02:05,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1330544194, now seen corresponding path program 1 times [2021-10-13 07:02:05,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:02:05,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5039588] [2021-10-13 07:02:05,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:02:05,784 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:02:05,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:02:05,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:02:05,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 07:02:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:02:06,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 07:02:06,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 07:02:07,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:02:07,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:02:07,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:02:07,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:02:07,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 07:02:07,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:02:07,183 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-10-13 07:02:07,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 38 [2021-10-13 07:02:07,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:02:07,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:02:07,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 07:02:07,677 INFO L354 Elim1Store]: treesize reduction 850, result has 7.0 percent of original size [2021-10-13 07:02:07,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 70 treesize of output 87 [2021-10-13 07:02:09,375 INFO L354 Elim1Store]: treesize reduction 336, result has 0.3 percent of original size [2021-10-13 07:02:09,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 108 treesize of output 36 [2021-10-13 07:02:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 07:02:09,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 07:02:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-10-13 07:02:10,777 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-13 07:02:10,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5039588] [2021-10-13 07:02:10,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5039588] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 07:02:10,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:02:10,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2021-10-13 07:02:10,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388108146] [2021-10-13 07:02:10,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:02:10,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-13 07:02:10,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:02:10,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:02:10,781 INFO L87 Difference]: Start difference. First operand 613 states and 920 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:02:25,611 INFO L93 Difference]: Finished difference Result 1420 states and 2131 transitions. [2021-10-13 07:02:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:02:25,614 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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 128 [2021-10-13 07:02:25,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:02:25,620 INFO L225 Difference]: With dead ends: 1420 [2021-10-13 07:02:25,621 INFO L226 Difference]: Without dead ends: 817 [2021-10-13 07:02:25,622 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 248 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 228.1ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:02:25,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2021-10-13 07:02:25,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 713. [2021-10-13 07:02:25,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 712 states have (on average 1.5337078651685394) internal successors, (1092), 712 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1092 transitions. [2021-10-13 07:02:25,661 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1092 transitions. Word has length 128 [2021-10-13 07:02:25,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:02:25,662 INFO L470 AbstractCegarLoop]: Abstraction has 713 states and 1092 transitions. [2021-10-13 07:02:25,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:02:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1092 transitions. [2021-10-13 07:02:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-10-13 07:02:25,665 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:02:25,666 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:02:25,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 07:02:25,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:02:25,888 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 07:02:25,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:02:25,889 INFO L82 PathProgramCache]: Analyzing trace with hash -545938624, now seen corresponding path program 1 times [2021-10-13 07:02:25,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-13 07:02:25,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647789529] [2021-10-13 07:02:25,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:02:25,891 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 07:02:25,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat [2021-10-13 07:02:25,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 07:02:25,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-13 07:02:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:02:29,686 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 07:02:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 07:02:32,298 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-13 07:02:32,299 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 07:02:32,300 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:02:32,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-13 07:02:32,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/mathsat -unsat_core_generation=3 [2021-10-13 07:02:32,513 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:02:32,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:02:32 BoogieIcfgContainer [2021-10-13 07:02:32,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:02:32,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:02:32,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:02:32,736 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:02:32,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:01:35" (3/4) ... [2021-10-13 07:02:32,741 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 07:02:32,907 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:02:32,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:02:32,909 INFO L168 Benchmark]: Toolchain (without parser) took 70113.88 ms. Allocated memory was 65.0 MB in the beginning and 121.6 MB in the end (delta: 56.6 MB). Free memory was 41.7 MB in the beginning and 61.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:32,909 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 65.0 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:02:32,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1134.43 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 41.4 MB in the beginning and 44.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:32,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.21 ms. Allocated memory is still 79.7 MB. Free memory was 44.5 MB in the beginning and 39.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:32,910 INFO L168 Benchmark]: Boogie Preprocessor took 184.19 ms. Allocated memory is still 79.7 MB. Free memory was 39.8 MB in the beginning and 51.7 MB in the end (delta: -12.0 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:32,911 INFO L168 Benchmark]: RCFGBuilder took 10784.47 ms. Allocated memory was 79.7 MB in the beginning and 121.6 MB in the end (delta: 41.9 MB). Free memory was 51.7 MB in the beginning and 60.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:32,911 INFO L168 Benchmark]: TraceAbstraction took 57690.82 ms. Allocated memory is still 121.6 MB. Free memory was 59.4 MB in the beginning and 76.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:32,912 INFO L168 Benchmark]: Witness Printer took 171.69 ms. Allocated memory is still 121.6 MB. Free memory was 76.4 MB in the beginning and 61.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:02:32,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 65.0 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1134.43 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 41.4 MB in the beginning and 44.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 138.21 ms. Allocated memory is still 79.7 MB. Free memory was 44.5 MB in the beginning and 39.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 184.19 ms. Allocated memory is still 79.7 MB. Free memory was 39.8 MB in the beginning and 51.7 MB in the end (delta: -12.0 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10784.47 ms. Allocated memory was 79.7 MB in the beginning and 121.6 MB in the end (delta: 41.9 MB). Free memory was 51.7 MB in the beginning and 60.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 57690.82 ms. Allocated memory is still 121.6 MB. Free memory was 59.4 MB in the beginning and 76.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. * Witness Printer took 171.69 ms. Allocated memory is still 121.6 MB. Free memory was 76.4 MB in the beginning and 61.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1044] static int init = 1; [L1045] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={-6:0}] [L1067] SSL *s ; [L1068] int tmp ; [L1072] s = malloc(sizeof(SSL)) [L1073] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1074] s->ctx = malloc(sizeof(SSL_CTX)) [L1075] s->session = malloc(sizeof(SSL_SESSION)) [L1076] s->state = 8464 [L1078] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1079] s->options = __VERIFIER_nondet_ulong() [L1080] s->verify_mode = __VERIFIER_nondet_int() [L1081] EXPR s->session [L1081] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1082] EXPR s->s3 [L1082] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1083] EXPR s->s3 [L1083] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1084] EXPR s->s3 [L1084] EXPR (s->s3)->tmp.new_cipher [L1084] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1085] EXPR s->s3 [L1085] EXPR (s->s3)->tmp.new_cipher [L1085] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1086] COND FALSE !(__VERIFIER_nondet_int()) [L1092] s->cert = malloc(sizeof(struct cert_st)) [L1093] EXPR s->cert [L1093] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1102] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1103] unsigned long l ; [L1104] unsigned long Time ; [L1105] unsigned long tmp = __VERIFIER_nondet_long() ; [L1106] void (*cb)() ; [L1107] long num1 ; [L1108] int ret ; [L1109] int new_state ; [L1110] int state ; [L1111] int skip ; [L1112] int got_new_session ; [L1113] int tmp___1 = __VERIFIER_nondet_int() ; [L1114] int tmp___2 = __VERIFIER_nondet_int() ; [L1115] int tmp___3 ; [L1116] int tmp___4 ; [L1117] int tmp___5 ; [L1118] int tmp___6 ; [L1119] int tmp___7 ; [L1120] long tmp___8 = __VERIFIER_nondet_long() ; [L1121] int tmp___9 ; [L1122] int tmp___10 ; [L1123] int blastFlag ; [L1127] blastFlag = 0 [L1128] s->hit=__VERIFIER_nondet_int () [L1129] s->state = 8464 [L1130] Time = tmp [L1131] cb = (void (*)())((void *)0) [L1132] ret = -1 [L1133] skip = 0 [L1134] got_new_session = 0 [L1135] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-6:0}] [L1135] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1136] EXPR s->info_callback [L1136] cb = s->info_callback [L1140] EXPR s->in_handshake [L1140] s->in_handshake += 1 [L1141] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-6:0}] [L1150] EXPR s->cert VAL [init=1, SSLv3_server_data={-6:0}] [L1150] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1156] COND TRUE 1 VAL [init=1, SSLv3_server_data={-6:0}] [L1158] EXPR s->state [L1158] state = s->state [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1159] COND FALSE !(s->state == 12292) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1162] COND FALSE !(s->state == 16384) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1165] COND FALSE !(s->state == 8192) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1168] COND FALSE !(s->state == 24576) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1171] COND FALSE !(s->state == 8195) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1174] COND FALSE !(s->state == 8480) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1177] COND FALSE !(s->state == 8481) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1180] COND FALSE !(s->state == 8482) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1183] COND TRUE s->state == 8464 [L1339] s->shutdown = 0 [L1340] ret = __VERIFIER_nondet_int() [L1341] COND TRUE blastFlag == 0 [L1342] blastFlag = 1 VAL [init=1, SSLv3_server_data={-6:0}] [L1346] COND FALSE !(ret <= 0) [L1351] got_new_session = 1 [L1352] s->state = 8496 [L1353] s->init_num = 0 VAL [init=1, SSLv3_server_data={-6:0}] [L1686] EXPR s->s3 [L1686] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-6:0}] [L1686] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1715] skip = 0 VAL [init=1, SSLv3_server_data={-6:0}] [L1156] COND TRUE 1 VAL [init=1, SSLv3_server_data={-6:0}] [L1158] EXPR s->state [L1158] state = s->state [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1159] COND FALSE !(s->state == 12292) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1162] COND FALSE !(s->state == 16384) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1165] COND FALSE !(s->state == 8192) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1168] COND FALSE !(s->state == 24576) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1171] COND FALSE !(s->state == 8195) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1174] COND FALSE !(s->state == 8480) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1177] COND FALSE !(s->state == 8481) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1180] COND FALSE !(s->state == 8482) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1183] COND FALSE !(s->state == 8464) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1186] COND FALSE !(s->state == 8465) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1189] COND FALSE !(s->state == 8466) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1192] COND TRUE s->state == 8496 [L1357] ret = __VERIFIER_nondet_int() [L1358] COND TRUE blastFlag == 1 [L1359] blastFlag = 2 VAL [init=1, SSLv3_server_data={-6:0}] [L1363] COND FALSE !(ret <= 0) [L1368] s->hit VAL [init=1, SSLv3_server_data={-6:0}] [L1368] COND TRUE s->hit [L1369] s->state = 8656 VAL [init=1, SSLv3_server_data={-6:0}] [L1373] s->init_num = 0 VAL [init=1, SSLv3_server_data={-6:0}] [L1686] EXPR s->s3 [L1686] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-6:0}] [L1686] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1715] skip = 0 VAL [init=1, SSLv3_server_data={-6:0}] [L1156] COND TRUE 1 VAL [init=1, SSLv3_server_data={-6:0}] [L1158] EXPR s->state [L1158] state = s->state [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1159] COND FALSE !(s->state == 12292) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1162] COND FALSE !(s->state == 16384) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1165] COND FALSE !(s->state == 8192) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1168] COND FALSE !(s->state == 24576) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1171] COND FALSE !(s->state == 8195) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1174] COND FALSE !(s->state == 8480) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1177] COND FALSE !(s->state == 8481) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1180] COND FALSE !(s->state == 8482) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1183] COND FALSE !(s->state == 8464) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1186] COND FALSE !(s->state == 8465) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1189] COND FALSE !(s->state == 8466) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1192] COND FALSE !(s->state == 8496) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1195] COND FALSE !(s->state == 8497) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1198] COND FALSE !(s->state == 8512) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1201] COND FALSE !(s->state == 8513) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1204] COND FALSE !(s->state == 8528) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1207] COND FALSE !(s->state == 8529) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1210] COND FALSE !(s->state == 8544) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1213] COND FALSE !(s->state == 8545) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1216] COND FALSE !(s->state == 8560) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1219] COND FALSE !(s->state == 8561) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1222] COND FALSE !(s->state == 8448) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1225] COND FALSE !(s->state == 8576) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1228] COND FALSE !(s->state == 8577) [L1231] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1231] COND FALSE !(s->state == 8592) [L1234] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1234] COND FALSE !(s->state == 8593) [L1237] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1237] COND FALSE !(s->state == 8608) [L1240] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1240] COND FALSE !(s->state == 8609) [L1243] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1243] COND FALSE !(s->state == 8640) [L1246] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1246] COND FALSE !(s->state == 8641) [L1249] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1249] COND TRUE s->state == 8656 [L1573] EXPR s->session [L1573] EXPR s->s3 [L1573] EXPR (s->s3)->tmp.new_cipher [L1573] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1574] tmp___9 = __VERIFIER_nondet_int() [L1575] COND FALSE !(! tmp___9) [L1581] ret = __VERIFIER_nondet_int() [L1582] COND TRUE blastFlag == 2 [L1583] blastFlag = 5 VAL [init=1, SSLv3_server_data={-6:0}] [L1587] COND FALSE !(ret <= 0) [L1592] s->state = 8672 [L1593] s->init_num = 0 [L1594] tmp___10 = __VERIFIER_nondet_int() [L1595] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={-6:0}] [L1686] EXPR s->s3 [L1686] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-6:0}] [L1686] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1715] skip = 0 VAL [init=1, SSLv3_server_data={-6:0}] [L1156] COND TRUE 1 VAL [init=1, SSLv3_server_data={-6:0}] [L1158] EXPR s->state [L1158] state = s->state [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1159] COND FALSE !(s->state == 12292) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1162] COND FALSE !(s->state == 16384) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1165] COND FALSE !(s->state == 8192) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1168] COND FALSE !(s->state == 24576) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1171] COND FALSE !(s->state == 8195) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1174] COND FALSE !(s->state == 8480) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1177] COND FALSE !(s->state == 8481) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1180] COND FALSE !(s->state == 8482) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1183] COND FALSE !(s->state == 8464) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1186] COND FALSE !(s->state == 8465) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1189] COND FALSE !(s->state == 8466) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1192] COND FALSE !(s->state == 8496) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1195] COND FALSE !(s->state == 8497) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1198] COND FALSE !(s->state == 8512) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1201] COND FALSE !(s->state == 8513) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1204] COND FALSE !(s->state == 8528) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1207] COND FALSE !(s->state == 8529) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1210] COND FALSE !(s->state == 8544) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1213] COND FALSE !(s->state == 8545) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1216] COND FALSE !(s->state == 8560) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1219] COND FALSE !(s->state == 8561) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1222] COND FALSE !(s->state == 8448) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1225] COND FALSE !(s->state == 8576) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1228] COND FALSE !(s->state == 8577) [L1231] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1231] COND FALSE !(s->state == 8592) [L1234] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1234] COND FALSE !(s->state == 8593) [L1237] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1237] COND FALSE !(s->state == 8608) [L1240] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1240] COND FALSE !(s->state == 8609) [L1243] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1243] COND FALSE !(s->state == 8640) [L1246] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1246] COND FALSE !(s->state == 8641) [L1249] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1249] COND FALSE !(s->state == 8656) [L1252] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1252] COND FALSE !(s->state == 8657) [L1255] EXPR s->state VAL [init=1, SSLv3_server_data={-6:0}] [L1255] COND TRUE s->state == 8672 [L1604] ret = __VERIFIER_nondet_int() [L1605] COND FALSE !(blastFlag == 4) VAL [init=1, SSLv3_server_data={-6:0}] [L1608] COND TRUE blastFlag == 5 VAL [init=1, SSLv3_server_data={-6:0}] [L1727] reach_error() VAL [init=1, SSLv3_server_data={-6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57393.7ms, OverallIterations: 6, TraceHistogramMax: 4, EmptinessCheckTime: 58.5ms, AutomataDifference: 36793.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1393 SDtfs, 1235 SDslu, 2054 SDs, 0 SdLazy, 542 SolverSat, 52 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 35311.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 979 GetRequests, 957 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 616.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 276.1ms AutomataMinimizationTime, 5 MinimizatonAttempts, 108 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 363.9ms SsaConstructionTime, 5122.8ms SatisfiabilityAnalysisTime, 9401.3ms InterpolantComputationTime, 621 NumberOfCodeBlocks, 621 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 976 ConstructedInterpolants, 1 QuantifiedInterpolants, 3942 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1387 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 636/636 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-13 07:02:33,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8355e53-4f50-42b2-8e86-3eac9ba56f79/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...