./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:09:28,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:09:28,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:09:28,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:09:28,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:09:28,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:09:28,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:09:28,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:09:28,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:09:28,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:09:28,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:09:28,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:09:28,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:09:28,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:09:28,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:09:28,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:09:28,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:09:28,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:09:28,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:09:28,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:09:28,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:09:28,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:09:28,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:09:28,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:09:28,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:09:28,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:09:28,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:09:28,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:09:28,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:09:28,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:09:28,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:09:28,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:09:28,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:09:28,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:09:28,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:09:28,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:09:28,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:09:28,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:09:28,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:09:28,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:09:28,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:09:28,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:09:28,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:09:28,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:09:28,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:09:28,407 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:09:28,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:09:28,407 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:09:28,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:09:28,408 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:09:28,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:09:28,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:09:28,410 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:09:28,410 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:09:28,410 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:09:28,411 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:09:28,411 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:09:28,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:09:28,412 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:09:28,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:09:28,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:09:28,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:09:28,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:09:28,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:09:28,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:09:28,414 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:09:28,415 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:09:28,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:09:28,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:09:28,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:09:28,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:09:28,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:09:28,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:09:28,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:09:28,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:09:28,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:09:28,419 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:09:28,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:09:28,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:09:28,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:09:28,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:09:28,420 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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 [2021-11-03 05:09:28,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:09:28,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:09:28,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:09:28,729 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:09:28,730 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:09:28,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-03 05:09:28,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/94459a660/2c03ab536f2943eba11b808035e1d30d/FLAG86719e90c [2021-11-03 05:09:29,464 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:09:29,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-03 05:09:29,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/94459a660/2c03ab536f2943eba11b808035e1d30d/FLAG86719e90c [2021-11-03 05:09:29,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/94459a660/2c03ab536f2943eba11b808035e1d30d [2021-11-03 05:09:29,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:09:29,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:09:29,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:09:29,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:09:29,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:09:29,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:09:29" (1/1) ... [2021-11-03 05:09:29,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b24571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:29, skipping insertion in model container [2021-11-03 05:09:29,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:09:29" (1/1) ... [2021-11-03 05:09:29,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:09:29,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:09:30,208 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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-03 05:09:30,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:09:30,231 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 05:09:30,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f6cc256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:30, skipping insertion in model container [2021-11-03 05:09:30,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:09:30,233 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:09:30,235 INFO L168 Benchmark]: Toolchain (without parser) took 547.97 ms. Allocated memory is still 98.6 MB. Free memory was 63.4 MB in the beginning and 63.3 MB in the end (delta: 154.9 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:09:30,236 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:09:30,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.65 ms. Allocated memory is still 98.6 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: -19.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:09:30,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 98.6 MB. Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.65 ms. Allocated memory is still 98.6 MB. Free memory was 63.3 MB in the beginning and 63.3 MB in the end (delta: -19.8 kB). 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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:09:32,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:09:32,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:09:32,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:09:32,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:09:32,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:09:32,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:09:32,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:09:32,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:09:32,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:09:32,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:09:32,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:09:32,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:09:32,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:09:32,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:09:32,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:09:32,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:09:32,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:09:32,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:09:32,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:09:32,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:09:32,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:09:32,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:09:32,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:09:32,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:09:32,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:09:32,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:09:32,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:09:32,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:09:32,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:09:32,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:09:32,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:09:32,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:09:32,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:09:32,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:09:32,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:09:32,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:09:32,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:09:32,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:09:32,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:09:32,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:09:32,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 05:09:32,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:09:32,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:09:32,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:09:32,624 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:09:32,625 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:09:32,625 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:09:32,625 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:09:32,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:09:32,626 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:09:32,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:09:32,629 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:09:32,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:09:32,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:09:32,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:09:32,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:09:32,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:09:32,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:09:32,630 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:09:32,631 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:09:32,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:09:32,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:09:32,631 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:09:32,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:09:32,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:09:32,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:09:32,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:09:32,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:09:32,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:09:32,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:09:32,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:09:32,634 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:09:32,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:09:32,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:09:32,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:09:32,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:09:32,636 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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da39e66c08628aa90e95213e006a92eb0d5a63143d71cc4cdb2dcfa95ff1896 [2021-11-03 05:09:33,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:09:33,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:09:33,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:09:33,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:09:33,102 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:09:33,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-03 05:09:33,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/1cec027d0/2d2642e1fc754bee8087977a2c4046db/FLAGa8224b336 [2021-11-03 05:09:34,029 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:09:34,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c [2021-11-03 05:09:34,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/1cec027d0/2d2642e1fc754bee8087977a2c4046db/FLAGa8224b336 [2021-11-03 05:09:34,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/data/1cec027d0/2d2642e1fc754bee8087977a2c4046db [2021-11-03 05:09:34,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:09:34,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:09:34,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:09:34,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:09:34,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:09:34,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:09:34" (1/1) ... [2021-11-03 05:09:34,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f96415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:34, skipping insertion in model container [2021-11-03 05:09:34,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:09:34" (1/1) ... [2021-11-03 05:09:34,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:09:34,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:09:34,711 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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-03 05:09:34,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:09:34,739 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:09:34,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:09:34,848 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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-03 05:09:34,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:09:34,858 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:09:34,987 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_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/sv-benchmarks/c/openssl/s3_srvr.blast.09.i.cil-2.c[74369,74382] [2021-11-03 05:09:34,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:09:35,012 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:09:35,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35 WrapperNode [2021-11-03 05:09:35,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:09:35,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:09:35,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:09:35,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:09:35,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:09:35,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:09:35,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:09:35,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:09:35,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:09:35,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:09:35,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:09:35,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:09:35,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (1/1) ... [2021-11-03 05:09:35,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:09:35,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:09:35,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:09:35,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:09:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:09:35,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:09:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:09:35,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 05:09:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:09:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:09:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:09:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:09:35,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 05:09:35,574 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:09:43,935 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-03 05:09:43,936 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-03 05:09:43,945 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:09:43,945 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 05:09:43,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:09:43 BoogieIcfgContainer [2021-11-03 05:09:43,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:09:43,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:09:43,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:09:43,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:09:43,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:09:34" (1/3) ... [2021-11-03 05:09:43,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:09:43, skipping insertion in model container [2021-11-03 05:09:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:09:35" (2/3) ... [2021-11-03 05:09:43,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:09:43, skipping insertion in model container [2021-11-03 05:09:43,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:09:43" (3/3) ... [2021-11-03 05:09:43,955 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.09.i.cil-2.c [2021-11-03 05:09:43,960 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:09:43,961 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:09:44,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:09:44,015 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:09:44,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:09:44,034 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) [2021-11-03 05:09:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-03 05:09:44,042 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:44,042 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] [2021-11-03 05:09:44,043 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:09:44,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:44,049 INFO L85 PathProgramCache]: Analyzing trace with hash -442385418, now seen corresponding path program 1 times [2021-11-03 05:09:44,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:44,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734959797] [2021-11-03 05:09:44,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:44,067 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:44,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:44,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:44,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:09:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:44,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:09:44,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:44,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:45,012 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:45,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734959797] [2021-11-03 05:09:45,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734959797] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:45,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:09:45,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:09:45,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057298312] [2021-11-03 05:09:45,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:09:45,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:45,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:09:45,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:09:45,043 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) [2021-11-03 05:09:45,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:09:45,301 INFO L93 Difference]: Finished difference Result 566 states and 965 transitions. [2021-11-03 05:09:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:09:45,303 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 [2021-11-03 05:09:45,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:09:45,320 INFO L225 Difference]: With dead ends: 566 [2021-11-03 05:09:45,321 INFO L226 Difference]: Without dead ends: 387 [2021-11-03 05:09:45,325 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 [2021-11-03 05:09:45,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-11-03 05:09:45,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 385. [2021-11-03 05:09:45,388 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) [2021-11-03 05:09:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 587 transitions. [2021-11-03 05:09:45,391 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 587 transitions. Word has length 37 [2021-11-03 05:09:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:09:45,392 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 587 transitions. [2021-11-03 05:09:45,392 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) [2021-11-03 05:09:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 587 transitions. [2021-11-03 05:09:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 05:09:45,396 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:45,396 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] [2021-11-03 05:09:45,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:09:45,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:09:45,610 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:09:45,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash 746604405, now seen corresponding path program 1 times [2021-11-03 05:09:45,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:45,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888342375] [2021-11-03 05:09:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:45,612 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:45,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:45,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:45,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:09:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:45,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:09:45,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:46,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:09:46,502 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:46,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888342375] [2021-11-03 05:09:46,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888342375] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:46,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:09:46,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:09:46,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203143376] [2021-11-03 05:09:46,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:09:46,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:46,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:09:46,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:09:46,509 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) [2021-11-03 05:09:46,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:09:46,883 INFO L93 Difference]: Finished difference Result 881 states and 1355 transitions. [2021-11-03 05:09:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:09:46,885 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 [2021-11-03 05:09:46,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:09:46,891 INFO L225 Difference]: With dead ends: 881 [2021-11-03 05:09:46,891 INFO L226 Difference]: Without dead ends: 630 [2021-11-03 05:09:46,893 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:09:46,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2021-11-03 05:09:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 628. [2021-11-03 05:09:46,943 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) [2021-11-03 05:09:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 952 transitions. [2021-11-03 05:09:46,948 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 952 transitions. Word has length 60 [2021-11-03 05:09:46,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:09:46,948 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 952 transitions. [2021-11-03 05:09:46,949 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) [2021-11-03 05:09:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 952 transitions. [2021-11-03 05:09:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-03 05:09:46,963 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:46,964 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] [2021-11-03 05:09:46,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:09:47,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:09:47,183 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:09:47,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:47,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1546935351, now seen corresponding path program 1 times [2021-11-03 05:09:47,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:47,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096613549] [2021-11-03 05:09:47,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:47,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:47,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:47,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:47,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:09:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:47,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:09:47,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:48,091 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:09:48,091 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-03 05:09:48,550 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:48,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096613549] [2021-11-03 05:09:48,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096613549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:48,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:09:48,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:09:48,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983183674] [2021-11-03 05:09:48,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:09:48,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:48,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:09:48,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:09:48,554 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) [2021-11-03 05:09:49,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:09:49,091 INFO L93 Difference]: Finished difference Result 1366 states and 2083 transitions. [2021-11-03 05:09:49,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:09:49,092 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 [2021-11-03 05:09:49,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:09:49,098 INFO L225 Difference]: With dead ends: 1366 [2021-11-03 05:09:49,098 INFO L226 Difference]: Without dead ends: 872 [2021-11-03 05:09:49,099 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 [2021-11-03 05:09:49,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2021-11-03 05:09:49,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 872. [2021-11-03 05:09:49,130 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) [2021-11-03 05:09:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1320 transitions. [2021-11-03 05:09:49,134 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1320 transitions. Word has length 121 [2021-11-03 05:09:49,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:09:49,135 INFO L470 AbstractCegarLoop]: Abstraction has 872 states and 1320 transitions. [2021-11-03 05:09:49,135 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) [2021-11-03 05:09:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1320 transitions. [2021-11-03 05:09:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-03 05:09:49,138 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:49,139 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] [2021-11-03 05:09:49,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 05:09:49,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:09:49,355 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:09:49,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:49,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1042279652, now seen corresponding path program 1 times [2021-11-03 05:09:49,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:49,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [92888399] [2021-11-03 05:09:49,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:49,358 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:49,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:49,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:09:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:49,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 05:09:49,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-03 05:09:50,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-03 05:09:50,856 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:50,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [92888399] [2021-11-03 05:09:50,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [92888399] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:50,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:09:50,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 05:09:50,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296436437] [2021-11-03 05:09:50,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:09:50,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:50,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:09:50,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:09:50,858 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) [2021-11-03 05:09:51,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:09:51,480 INFO L93 Difference]: Finished difference Result 1854 states and 2817 transitions. [2021-11-03 05:09:51,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:09:51,481 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 [2021-11-03 05:09:51,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:09:51,489 INFO L225 Difference]: With dead ends: 1854 [2021-11-03 05:09:51,490 INFO L226 Difference]: Without dead ends: 1116 [2021-11-03 05:09:51,491 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 [2021-11-03 05:09:51,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-03 05:09:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-11-03 05:09:51,546 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) [2021-11-03 05:09:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1685 transitions. [2021-11-03 05:09:51,551 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1685 transitions. Word has length 149 [2021-11-03 05:09:51,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:09:51,551 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1685 transitions. [2021-11-03 05:09:51,552 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) [2021-11-03 05:09:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1685 transitions. [2021-11-03 05:09:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-03 05:09:51,555 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:09:51,556 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] [2021-11-03 05:09:51,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-03 05:09:51,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:09:51,771 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:09:51,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:09:51,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1650407178, now seen corresponding path program 1 times [2021-11-03 05:09:51,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:09:51,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203497919] [2021-11-03 05:09:51,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:09:51,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:09:51,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:09:51,775 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:09:51,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 05:09:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:09:52,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 05:09:52,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:09:52,582 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 [2021-11-03 05:09:52,592 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 [2021-11-03 05:09:52,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:52,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 05:09:52,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:52,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-03 05:09:52,704 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 [2021-11-03 05:09:53,152 INFO L354 Elim1Store]: treesize reduction 1607, result has 2.8 percent of original size [2021-11-03 05:09:53,152 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 [2021-11-03 05:09:53,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:53,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 05:09:53,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:53,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-03 05:09:53,235 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 [2021-11-03 05:09:53,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,392 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 [2021-11-03 05:09:53,514 INFO L354 Elim1Store]: treesize reduction 340, result has 2.6 percent of original size [2021-11-03 05:09:53,514 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 [2021-11-03 05:09:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:09:53,549 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 [2021-11-03 05:09:53,587 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 [2021-11-03 05:09:53,592 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 [2021-11-03 05:09:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-03 05:09:54,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:09:54,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-03 05:09:54,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-03 05:09:54,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-03 05:09:54,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 510 [2021-11-03 05:09:54,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 687 [2021-11-03 05:09:54,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 744 [2021-11-03 05:09:54,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 861 [2021-11-03 05:09:54,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:09:54,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1038 [2021-11-03 05:09:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-11-03 05:09:55,441 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:09:55,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203497919] [2021-11-03 05:09:55,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203497919] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:09:55,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:09:55,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 05:09:55,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80389424] [2021-11-03 05:09:55,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:09:55,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:09:55,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:09:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:09:55,445 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) [2021-11-03 05:10:11,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:10:11,086 INFO L93 Difference]: Finished difference Result 2229 states and 3366 transitions. [2021-11-03 05:10:11,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:10:11,103 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 [2021-11-03 05:10:11,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:10:11,113 INFO L225 Difference]: With dead ends: 2229 [2021-11-03 05:10:11,113 INFO L226 Difference]: Without dead ends: 1116 [2021-11-03 05:10:11,115 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 [2021-11-03 05:10:11,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-11-03 05:10:11,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-11-03 05:10:11,152 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) [2021-11-03 05:10:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1684 transitions. [2021-11-03 05:10:11,160 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1684 transitions. Word has length 166 [2021-11-03 05:10:11,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:10:11,161 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1684 transitions. [2021-11-03 05:10:11,161 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) [2021-11-03 05:10:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1684 transitions. [2021-11-03 05:10:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-03 05:10:11,165 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:10:11,166 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] [2021-11-03 05:10:11,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:10:11,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:10:11,384 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:10:11,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:10:11,385 INFO L85 PathProgramCache]: Analyzing trace with hash -74201144, now seen corresponding path program 1 times [2021-11-03 05:10:11,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:10:11,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584775380] [2021-11-03 05:10:11,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:10:11,386 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:10:11,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:10:11,387 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:10:11,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_badd6fb7-bc9e-44b0-b11f-6f2417b0769b/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 05:10:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:10:13,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-03 05:10:13,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:12:06,546 WARN L207 SmtUtils]: Spent 1.88 m on a formula simplification. DAG size of input: 66 DAG size of output: 15 [2021-11-03 05:12:06,547 INFO L354 Elim1Store]: treesize reduction 201, result has 13.7 percent of original size [2021-11-03 05:12:06,548 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 [2021-11-03 05:12:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,681 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 [2021-11-03 05:12:06,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:12:06,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79499 [2021-11-03 05:12:06,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:12:06,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216814 [2021-11-03 05:12:06,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:12:06,771 INFO L190 IndexEqualityManager]: detected not equals via solver