./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:59:33,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:59:33,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:59:33,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:59:33,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:59:33,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:59:33,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:59:33,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:59:33,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:59:33,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:59:33,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:59:33,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:59:33,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:59:33,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:59:33,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:59:33,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:59:33,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:59:33,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:59:33,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:59:33,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:59:33,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:59:33,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:59:33,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:59:33,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:59:33,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:59:33,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:59:33,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:59:33,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:59:33,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:59:33,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:59:33,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:59:33,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:59:33,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:59:33,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:59:33,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:59:33,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:59:33,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:59:33,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:59:33,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:59:33,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:59:33,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:59:33,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:59:33,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:59:33,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:59:33,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:59:33,496 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:59:33,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:59:33,496 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:59:33,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:59:33,497 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:59:33,500 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:59:33,500 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:59:33,501 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:59:33,502 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:59:33,502 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:59:33,502 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:59:33,503 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:59:33,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:59:33,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:59:33,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:59:33,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:59:33,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:59:33,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:59:33,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:59:33,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:59:33,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:59:33,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:59:33,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:59:33,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:59:33,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:59:33,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:59:33,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:59:33,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:33,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:59:33,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:59:33,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:59:33,509 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:59:33,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:59:33,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:59:33,510 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:59:33,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:59:33,510 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_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 [2021-11-07 01:59:33,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:59:33,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:59:33,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:59:33,831 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:59:33,832 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:59:33,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-07 01:59:33,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/b47fb171b/597aac04c6724ebb8e81e4cba4a9f65d/FLAG03e3e5f45 [2021-11-07 01:59:34,613 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:59:34,615 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-07 01:59:34,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/b47fb171b/597aac04c6724ebb8e81e4cba4a9f65d/FLAG03e3e5f45 [2021-11-07 01:59:34,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/b47fb171b/597aac04c6724ebb8e81e4cba4a9f65d [2021-11-07 01:59:34,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:59:34,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:59:34,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:34,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:59:34,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:59:34,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:34" (1/1) ... [2021-11-07 01:59:34,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f128ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:34, skipping insertion in model container [2021-11-07 01:59:34,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:34" (1/1) ... [2021-11-07 01:59:34,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:59:34,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:35,402 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_f93a618f-535b-4e14-a9c3-23a9695cac17/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-07 01:59:35,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:35,433 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:59:35,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b7bd250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:35, skipping insertion in model container [2021-11-07 01:59:35,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:35,435 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:59:35,437 INFO L168 Benchmark]: Toolchain (without parser) took 628.57 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 48.9 MB in the beginning and 85.7 MB in the end (delta: -36.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:35,438 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 55.6 MB in the beginning and 55.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:59:35,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.40 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 48.7 MB in the beginning and 85.7 MB in the end (delta: -37.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:59:35,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 55.6 MB in the beginning and 55.5 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.40 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 48.7 MB in the beginning and 85.7 MB in the end (delta: -37.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1050]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:59:37,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:59:37,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:59:37,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:59:37,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:59:37,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:59:37,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:59:37,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:59:37,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:59:37,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:59:37,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:59:37,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:59:37,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:59:37,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:59:37,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:59:37,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:59:37,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:59:37,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:59:37,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:59:37,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:59:37,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:59:37,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:59:37,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:59:37,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:59:37,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:59:37,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:59:37,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:59:37,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:59:37,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:59:37,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:59:37,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:59:37,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:59:37,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:59:37,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:59:37,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:59:37,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:59:37,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:59:37,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:59:37,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:59:37,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:59:37,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:59:37,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:59:38,022 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:59:38,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:59:38,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:59:38,023 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:59:38,024 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:59:38,024 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:59:38,028 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:59:38,028 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:59:38,028 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:59:38,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:59:38,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:59:38,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:59:38,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:59:38,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:59:38,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:59:38,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:59:38,031 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:59:38,031 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:59:38,031 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:59:38,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:59:38,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:59:38,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:59:38,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:59:38,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:59:38,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:59:38,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:59:38,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:38,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:59:38,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:59:38,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:59:38,038 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:59:38,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:59:38,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:59:38,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:59:38,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:59:38,040 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_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 [2021-11-07 01:59:38,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:59:38,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:59:38,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:59:38,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:59:38,516 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:59:38,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-07 01:59:38,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/a717bec05/58934cc8b580469281627e9b80d2f83b/FLAG0b14b2df3 [2021-11-07 01:59:39,371 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:59:39,372 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-07 01:59:39,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/a717bec05/58934cc8b580469281627e9b80d2f83b/FLAG0b14b2df3 [2021-11-07 01:59:39,554 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/data/a717bec05/58934cc8b580469281627e9b80d2f83b [2021-11-07 01:59:39,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:59:39,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:59:39,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:39,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:59:39,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:59:39,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c47b2c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:39, skipping insertion in model container [2021-11-07 01:59:39,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:59:39" (1/1) ... [2021-11-07 01:59:39,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:59:39,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:40,266 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_f93a618f-535b-4e14-a9c3-23a9695cac17/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-07 01:59:40,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:40,327 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:59:40,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:59:40,460 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_f93a618f-535b-4e14-a9c3-23a9695cac17/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-07 01:59:40,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:40,470 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:59:40,561 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_f93a618f-535b-4e14-a9c3-23a9695cac17/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-07 01:59:40,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:59:40,592 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:59:40,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40 WrapperNode [2021-11-07 01:59:40,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:59:40,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:59:40,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:59:40,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:59:40,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:59:40,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:59:40,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:59:40,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:59:40,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:59:40,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:59:40,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:59:40,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:59:40,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (1/1) ... [2021-11-07 01:59:40,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:59:40,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:59:40,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:59:40,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:59:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:59:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:59:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:59:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:59:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:59:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:59:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:59:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:59:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:59:41,131 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:59:51,447 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-07 01:59:51,447 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-07 01:59:51,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:59:51,462 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 01:59:51,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:59:51 BoogieIcfgContainer [2021-11-07 01:59:51,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:59:51,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:59:51,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:59:51,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:59:51,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:59:39" (1/3) ... [2021-11-07 01:59:51,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8cb4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:59:51, skipping insertion in model container [2021-11-07 01:59:51,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:59:40" (2/3) ... [2021-11-07 01:59:51,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8cb4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:59:51, skipping insertion in model container [2021-11-07 01:59:51,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:59:51" (3/3) ... [2021-11-07 01:59:51,484 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.09.i.cil-2.c [2021-11-07 01:59:51,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:59:51,506 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:59:51,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:59:51,596 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:59:51,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:59:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:59:51,624 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:51,625 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:51,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:51,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:51,649 INFO L85 PathProgramCache]: Analyzing trace with hash -442385418, now seen corresponding path program 1 times [2021-11-07 01:59:51,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:51,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [899371684] [2021-11-07 01:59:51,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:51,669 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:51,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:51,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:51,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:59:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:51,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:51,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:52,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:52,426 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:52,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [899371684] [2021-11-07 01:59:52,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [899371684] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:52,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:52,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:52,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963738198] [2021-11-07 01:59:52,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:52,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:52,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:52,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:52,452 INFO L87 Difference]: Start difference. First operand has 150 states, 148 states have (on average 1.7162162162162162) internal successors, (254), 149 states have internal predecessors, (254), 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 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:52,721 INFO L93 Difference]: Finished difference Result 566 states and 965 transitions. [2021-11-07 01:59:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:52,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 37 [2021-11-07 01:59:52,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:52,738 INFO L225 Difference]: With dead ends: 566 [2021-11-07 01:59:52,738 INFO L226 Difference]: Without dead ends: 387 [2021-11-07 01:59:52,742 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:52,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-11-07 01:59:52,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 385. [2021-11-07 01:59:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.5286458333333333) internal successors, (587), 384 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 587 transitions. [2021-11-07 01:59:52,820 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 587 transitions. Word has length 37 [2021-11-07 01:59:52,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:52,821 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 587 transitions. [2021-11-07 01:59:52,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 587 transitions. [2021-11-07 01:59:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:59:52,827 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:52,827 INFO L513 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] [2021-11-07 01:59:52,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:53,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:53,041 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:53,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:53,042 INFO L85 PathProgramCache]: Analyzing trace with hash 746604405, now seen corresponding path program 1 times [2021-11-07 01:59:53,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:53,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583924848] [2021-11-07 01:59:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:53,044 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:53,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:53,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:59:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:53,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:53,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:53,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:59:54,342 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:54,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583924848] [2021-11-07 01:59:54,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583924848] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:54,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:54,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:54,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912601116] [2021-11-07 01:59:54,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:54,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:54,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:54,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:54,346 INFO L87 Difference]: Start difference. First operand 385 states and 587 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:55,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:55,475 INFO L93 Difference]: Finished difference Result 881 states and 1355 transitions. [2021-11-07 01:59:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:55,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-07 01:59:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:55,487 INFO L225 Difference]: With dead ends: 881 [2021-11-07 01:59:55,487 INFO L226 Difference]: Without dead ends: 630 [2021-11-07 01:59:55,508 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:55,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-07 01:59:55,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2021-11-07 01:59:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 627 states have (on average 1.518341307814992) internal successors, (952), 627 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 952 transitions. [2021-11-07 01:59:55,607 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 952 transitions. Word has length 60 [2021-11-07 01:59:55,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:55,608 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 952 transitions. [2021-11-07 01:59:55,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 952 transitions. [2021-11-07 01:59:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-07 01:59:55,621 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:55,636 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:55,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:55,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:55,851 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:55,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1546935351, now seen corresponding path program 1 times [2021-11-07 01:59:55,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:55,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231501913] [2021-11-07 01:59:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:55,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:55,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:55,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:55,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:59:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:56,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:56,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:59:56,865 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-07 01:59:57,317 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:57,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231501913] [2021-11-07 01:59:57,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231501913] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:57,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:57,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:57,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871908588] [2021-11-07 01:59:57,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:57,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:57,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:57,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:57,320 INFO L87 Difference]: Start difference. First operand 628 states and 952 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:58,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:58,011 INFO L93 Difference]: Finished difference Result 1366 states and 2083 transitions. [2021-11-07 01:59:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:59:58,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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 121 [2021-11-07 01:59:58,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:58,019 INFO L225 Difference]: With dead ends: 1366 [2021-11-07 01:59:58,019 INFO L226 Difference]: Without dead ends: 872 [2021-11-07 01:59:58,025 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:58,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-11-07 01:59:58,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 872. [2021-11-07 01:59:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 871 states have (on average 1.5154994259471872) internal successors, (1320), 871 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1320 transitions. [2021-11-07 01:59:58,069 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1320 transitions. Word has length 121 [2021-11-07 01:59:58,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:58,069 INFO L470 AbstractCegarLoop]: Abstraction has 872 states and 1320 transitions. [2021-11-07 01:59:58,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:59:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1320 transitions. [2021-11-07 01:59:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-07 01:59:58,080 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:58,081 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:58,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:58,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:59:58,290 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:59:58,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:58,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1042279652, now seen corresponding path program 1 times [2021-11-07 01:59:58,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:59:58,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191652733] [2021-11-07 01:59:58,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:58,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:59:58,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:59:58,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:59:58,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:59:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:58,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:59:58,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-07 01:59:59,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:59:59,871 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-07 01:59:59,872 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:59:59,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191652733] [2021-11-07 01:59:59,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191652733] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:59:59,872 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:59:59,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:59:59,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726284585] [2021-11-07 01:59:59,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:59:59,873 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:59:59,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:59:59,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:59:59,874 INFO L87 Difference]: Start difference. First operand 872 states and 1320 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:00,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:00,489 INFO L93 Difference]: Finished difference Result 1854 states and 2817 transitions. [2021-11-07 02:00:00,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:00:00,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 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 149 [2021-11-07 02:00:00,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:00,497 INFO L225 Difference]: With dead ends: 1854 [2021-11-07 02:00:00,498 INFO L226 Difference]: Without dead ends: 1116 [2021-11-07 02:00:00,499 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:00:00,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-07 02:00:00,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-11-07 02:00:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.5112107623318385) internal successors, (1685), 1115 states have internal predecessors, (1685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1685 transitions. [2021-11-07 02:00:00,546 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1685 transitions. Word has length 149 [2021-11-07 02:00:00,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:00,547 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1685 transitions. [2021-11-07 02:00:00,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1685 transitions. [2021-11-07 02:00:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-07 02:00:00,551 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:00,552 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:00,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:00,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:00,767 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:00,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1650407178, now seen corresponding path program 1 times [2021-11-07 02:00:00,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:00,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895252232] [2021-11-07 02:00:00,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:00,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:00,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:00,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:00,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:00:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:01,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 02:00:01,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:01,665 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 [2021-11-07 02:00:01,674 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 [2021-11-07 02:00:01,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:01,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-07 02:00:01,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:01,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:00:01,777 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 336 treesize of output 319 [2021-11-07 02:00:02,241 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-11-07 02:00:02,242 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 717 treesize of output 669 [2021-11-07 02:00:02,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:02,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-07 02:00:02,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:02,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 02:00:02,368 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 336 treesize of output 319 [2021-11-07 02:00:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,515 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 97 treesize of output 49 [2021-11-07 02:00:02,633 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-11-07 02:00:02,634 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 [2021-11-07 02:00:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:00:02,668 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 [2021-11-07 02:00:02,705 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 [2021-11-07 02:00:02,709 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 [2021-11-07 02:00:03,197 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-07 02:00:03,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:03,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:03,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 02:00:03,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:03,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-07 02:00:03,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:03,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 02:00:03,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:03,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-11-07 02:00:03,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:03,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-11-07 02:00:03,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:04,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-11-07 02:00:04,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:04,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-11-07 02:00:04,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:00:04,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-11-07 02:00:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-07 02:00:04,542 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:04,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895252232] [2021-11-07 02:00:04,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895252232] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:04,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:00:04,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:00:04,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855079332] [2021-11-07 02:00:04,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:00:04,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:04,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:00:04,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:00:04,544 INFO L87 Difference]: Start difference. First operand 1116 states and 1685 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:19,992 INFO L93 Difference]: Finished difference Result 2229 states and 3366 transitions. [2021-11-07 02:00:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:00:19,994 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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 166 [2021-11-07 02:00:19,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:20,002 INFO L225 Difference]: With dead ends: 2229 [2021-11-07 02:00:20,002 INFO L226 Difference]: Without dead ends: 1116 [2021-11-07 02:00:20,004 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-07 02:00:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-07 02:00:20,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-11-07 02:00:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.5103139013452915) internal successors, (1684), 1115 states have internal predecessors, (1684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1684 transitions. [2021-11-07 02:00:20,048 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1684 transitions. Word has length 166 [2021-11-07 02:00:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:20,049 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1684 transitions. [2021-11-07 02:00:20,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:00:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1684 transitions. [2021-11-07 02:00:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-07 02:00:20,054 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:20,054 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:00:20,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:20,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:20,268 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:20,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:20,269 INFO L85 PathProgramCache]: Analyzing trace with hash -74201144, now seen corresponding path program 1 times [2021-11-07 02:00:20,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:20,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840049359] [2021-11-07 02:00:20,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:20,270 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:20,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:20,271 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:20,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93a618f-535b-4e14-a9c3-23a9695cac17/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:00:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:22,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-07 02:00:22,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:02:15,318 WARN L207 SmtUtils]: Spent 1.88 m on a formula simplification. DAG size of input: 66 DAG size of output: 15 [2021-11-07 02:02:15,319 INFO L354 Elim1Store]: treesize reduction 201, result has 13.7 percent of original size [2021-11-07 02:02:15,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5181 treesize of output 5191 [2021-11-07 02:02:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5173 treesize of output 5137 [2021-11-07 02:02:15,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:15,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79499 [2021-11-07 02:02:15,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:02:15,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216814 [2021-11-07 02:02:15,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:02:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver