./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI --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 be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:40:37,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:40:37,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:40:37,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:40:37,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:40:37,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:40:37,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:40:37,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:40:37,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:40:37,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:40:37,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:40:37,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:40:37,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:40:37,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:40:37,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:40:37,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:40:37,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:40:37,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:40:37,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:40:37,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:40:37,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:40:37,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:40:37,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:40:37,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:40:37,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:40:37,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:40:37,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:40:37,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:40:37,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:40:37,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:40:37,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:40:37,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:40:37,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:40:37,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:40:37,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:40:37,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:40:37,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:40:37,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:40:37,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:40:37,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:40:37,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:40:37,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:40:37,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:40:37,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:40:37,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:40:37,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:40:37,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:40:37,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:40:37,325 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:40:37,325 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:40:37,325 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:40:37,325 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:40:37,326 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:40:37,327 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:40:37,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:40:37,327 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:40:37,327 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:40:37,327 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:40:37,327 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:40:37,328 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:40:37,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:40:37,329 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:40:37,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:40:37,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:40:37,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:40:37,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:40:37,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:40:37,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:40:37,331 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:40:37,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:40:37,332 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:40:37,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:40:37,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:40:37,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:40:37,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:40:37,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:40:37,333 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:40:37,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:40:37,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:40:37,334 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:40:37,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:40:37,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:40:37,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:40:37,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 [2022-11-03 02:40:37,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:40:37,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:40:37,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:40:37,707 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:40:37,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:40:37,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2022-11-03 02:40:37,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/8ba81e954/71f9826d525f4b359d0b59850f478fe1/FLAG997f03e16 [2022-11-03 02:40:38,425 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:40:38,426 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2022-11-03 02:40:38,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/8ba81e954/71f9826d525f4b359d0b59850f478fe1/FLAG997f03e16 [2022-11-03 02:40:38,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/8ba81e954/71f9826d525f4b359d0b59850f478fe1 [2022-11-03 02:40:38,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:40:38,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:40:38,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:40:38,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:40:38,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:40:38,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:40:38" (1/1) ... [2022-11-03 02:40:38,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73bb2835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:38, skipping insertion in model container [2022-11-03 02:40:38,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:40:38" (1/1) ... [2022-11-03 02:40:38,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:40:38,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:40:39,231 WARN L230 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_0a39359a-d522-42ea-a522-427e2c5220d4/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2022-11-03 02:40:39,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:40:39,252 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:40:39,370 WARN L230 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_0a39359a-d522-42ea-a522-427e2c5220d4/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2022-11-03 02:40:39,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:40:39,401 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:40:39,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39 WrapperNode [2022-11-03 02:40:39,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:40:39,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:40:39,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:40:39,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:40:39,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,523 INFO L138 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 792 [2022-11-03 02:40:39,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:40:39,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:40:39,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:40:39,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:40:39,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,648 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:40:39,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:40:39,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:40:39,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:40:39,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (1/1) ... [2022-11-03 02:40:39,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:40:39,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:40:39,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:40:39,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:40:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:40:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:40:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:40:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:40:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:40:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:40:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:40:39,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:40:39,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:40:39,982 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:40:39,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:40:40,000 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 02:40:42,694 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-11-03 02:40:42,697 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-11-03 02:40:42,697 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:40:43,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:40:43,194 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:40:43,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:43 BoogieIcfgContainer [2022-11-03 02:40:43,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:40:43,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:40:43,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:40:43,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:40:43,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:40:38" (1/3) ... [2022-11-03 02:40:43,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d96c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:43, skipping insertion in model container [2022-11-03 02:40:43,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:40:39" (2/3) ... [2022-11-03 02:40:43,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70d96c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:43, skipping insertion in model container [2022-11-03 02:40:43,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:43" (3/3) ... [2022-11-03 02:40:43,213 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11.i.cil-1.c [2022-11-03 02:40:43,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:40:43,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:40:43,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:40:43,309 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ba4fc86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:40:43,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:40:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 108 states have (on average 1.7592592592592593) internal successors, (190), 109 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:40:43,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 02:40:43,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:43,323 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:40:43,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:43,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:43,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1595791018, now seen corresponding path program 1 times [2022-11-03 02:40:43,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:43,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700750282] [2022-11-03 02:40:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:43,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:40:44,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:44,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700750282] [2022-11-03 02:40:44,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700750282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:44,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:44,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:44,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691021538] [2022-11-03 02:40:44,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:44,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:44,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:44,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:44,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:44,560 INFO L87 Difference]: Start difference. First operand has 110 states, 108 states have (on average 1.7592592592592593) internal successors, (190), 109 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-03 02:40:46,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:47,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:47,237 INFO L93 Difference]: Finished difference Result 243 states and 420 transitions. [2022-11-03 02:40:47,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:47,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2022-11-03 02:40:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:47,254 INFO L225 Difference]: With dead ends: 243 [2022-11-03 02:40:47,254 INFO L226 Difference]: Without dead ends: 129 [2022-11-03 02:40:47,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:40:47,261 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 20 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:47,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 396 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:40:47,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-03 02:40:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 117. [2022-11-03 02:40:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.543103448275862) internal successors, (179), 116 states have internal predecessors, (179), 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) [2022-11-03 02:40:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2022-11-03 02:40:47,314 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 29 [2022-11-03 02:40:47,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:47,315 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2022-11-03 02:40:47,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-03 02:40:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2022-11-03 02:40:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-03 02:40:47,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:47,318 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:40:47,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:40:47,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:47,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:47,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1717730437, now seen corresponding path program 1 times [2022-11-03 02:40:47,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:47,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124289079] [2022-11-03 02:40:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:47,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:40:47,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:47,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124289079] [2022-11-03 02:40:48,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124289079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:48,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:48,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:48,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796727501] [2022-11-03 02:40:48,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:48,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:48,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:48,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:48,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:48,004 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-03 02:40:50,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:50,548 INFO L93 Difference]: Finished difference Result 234 states and 352 transitions. [2022-11-03 02:40:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:50,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-03 02:40:50,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:50,552 INFO L225 Difference]: With dead ends: 234 [2022-11-03 02:40:50,553 INFO L226 Difference]: Without dead ends: 129 [2022-11-03 02:40:50,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:40:50,555 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 19 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:50,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 328 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:40:50,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-03 02:40:50,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 117. [2022-11-03 02:40:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.5344827586206897) internal successors, (178), 116 states have internal predecessors, (178), 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) [2022-11-03 02:40:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 178 transitions. [2022-11-03 02:40:50,579 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 178 transitions. Word has length 39 [2022-11-03 02:40:50,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:50,580 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 178 transitions. [2022-11-03 02:40:50,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2022-11-03 02:40:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 178 transitions. [2022-11-03 02:40:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 02:40:50,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:50,582 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:50,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:40:50,582 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:50,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:50,583 INFO L85 PathProgramCache]: Analyzing trace with hash -57164581, now seen corresponding path program 1 times [2022-11-03 02:40:50,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:50,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434213808] [2022-11-03 02:40:50,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:50,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:40:51,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:51,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434213808] [2022-11-03 02:40:51,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434213808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:51,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:51,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:51,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212047126] [2022-11-03 02:40:51,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:51,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:51,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:51,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:51,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:51,194 INFO L87 Difference]: Start difference. First operand 117 states and 178 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-03 02:40:53,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:53,710 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2022-11-03 02:40:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:53,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2022-11-03 02:40:53,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:53,713 INFO L225 Difference]: With dead ends: 234 [2022-11-03 02:40:53,713 INFO L226 Difference]: Without dead ends: 129 [2022-11-03 02:40:53,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:40:53,715 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 17 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:53,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 327 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:40:53,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-03 02:40:53,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 117. [2022-11-03 02:40:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.5258620689655173) internal successors, (177), 116 states have internal predecessors, (177), 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) [2022-11-03 02:40:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 177 transitions. [2022-11-03 02:40:53,726 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 177 transitions. Word has length 40 [2022-11-03 02:40:53,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:53,726 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 177 transitions. [2022-11-03 02:40:53,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2022-11-03 02:40:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 177 transitions. [2022-11-03 02:40:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 02:40:53,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:53,728 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:53,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:40:53,729 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:53,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:53,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1218895093, now seen corresponding path program 1 times [2022-11-03 02:40:53,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:53,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094066501] [2022-11-03 02:40:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:40:54,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:54,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094066501] [2022-11-03 02:40:54,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094066501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:54,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:54,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:54,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391889509] [2022-11-03 02:40:54,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:54,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:54,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:54,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:54,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:54,317 INFO L87 Difference]: Start difference. First operand 117 states and 177 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-03 02:40:56,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:56,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:56,790 INFO L93 Difference]: Finished difference Result 234 states and 350 transitions. [2022-11-03 02:40:56,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:56,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-11-03 02:40:56,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:56,794 INFO L225 Difference]: With dead ends: 234 [2022-11-03 02:40:56,794 INFO L226 Difference]: Without dead ends: 129 [2022-11-03 02:40:56,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:40:56,797 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 15 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:56,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 327 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:40:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-03 02:40:56,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 117. [2022-11-03 02:40:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.5172413793103448) internal successors, (176), 116 states have internal predecessors, (176), 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) [2022-11-03 02:40:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 176 transitions. [2022-11-03 02:40:56,809 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 176 transitions. Word has length 41 [2022-11-03 02:40:56,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:56,810 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 176 transitions. [2022-11-03 02:40:56,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-03 02:40:56,811 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 176 transitions. [2022-11-03 02:40:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 02:40:56,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:56,813 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:40:56,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:40:56,813 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:56,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:56,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1001209601, now seen corresponding path program 1 times [2022-11-03 02:40:56,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:56,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10045545] [2022-11-03 02:40:56,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:56,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:40:57,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:57,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10045545] [2022-11-03 02:40:57,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10045545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:57,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:57,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:40:57,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180747614] [2022-11-03 02:40:57,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:57,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:57,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:57,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:57,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:57,348 INFO L87 Difference]: Start difference. First operand 117 states and 176 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-03 02:40:59,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:59,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:59,803 INFO L93 Difference]: Finished difference Result 234 states and 349 transitions. [2022-11-03 02:40:59,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:59,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-11-03 02:40:59,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:59,807 INFO L225 Difference]: With dead ends: 234 [2022-11-03 02:40:59,807 INFO L226 Difference]: Without dead ends: 129 [2022-11-03 02:40:59,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:40:59,809 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 11 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:59,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 327 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 152 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:40:59,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-03 02:40:59,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 117. [2022-11-03 02:40:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.5086206896551724) internal successors, (175), 116 states have internal predecessors, (175), 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) [2022-11-03 02:40:59,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 175 transitions. [2022-11-03 02:40:59,819 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 175 transitions. Word has length 41 [2022-11-03 02:40:59,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:59,819 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 175 transitions. [2022-11-03 02:40:59,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-03 02:40:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 175 transitions. [2022-11-03 02:40:59,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 02:40:59,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:59,822 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:40:59,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:40:59,822 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:59,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:59,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1097925581, now seen corresponding path program 1 times [2022-11-03 02:40:59,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:59,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725317010] [2022-11-03 02:40:59,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:59,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:00,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:00,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725317010] [2022-11-03 02:41:00,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725317010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:00,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:00,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:41:00,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653338284] [2022-11-03 02:41:00,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:00,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:00,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:00,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:00,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:00,317 INFO L87 Difference]: Start difference. First operand 117 states and 175 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-03 02:41:02,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:02,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:02,940 INFO L93 Difference]: Finished difference Result 324 states and 490 transitions. [2022-11-03 02:41:02,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:02,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2022-11-03 02:41:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:02,943 INFO L225 Difference]: With dead ends: 324 [2022-11-03 02:41:02,943 INFO L226 Difference]: Without dead ends: 219 [2022-11-03 02:41:02,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:02,945 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 116 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:02,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 225 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 233 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:41:02,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-11-03 02:41:02,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 133. [2022-11-03 02:41:02,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.5151515151515151) internal successors, (200), 132 states have internal predecessors, (200), 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) [2022-11-03 02:41:02,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 200 transitions. [2022-11-03 02:41:02,956 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 200 transitions. Word has length 41 [2022-11-03 02:41:02,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:02,956 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 200 transitions. [2022-11-03 02:41:02,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2022-11-03 02:41:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2022-11-03 02:41:02,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-03 02:41:02,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:02,959 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:41:02,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:41:02,959 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:02,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:02,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1607433063, now seen corresponding path program 1 times [2022-11-03 02:41:02,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:02,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780751103] [2022-11-03 02:41:02,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:02,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:03,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:03,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:03,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780751103] [2022-11-03 02:41:03,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780751103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:03,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:03,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:41:03,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323148047] [2022-11-03 02:41:03,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:03,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:03,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:03,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:03,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:03,393 INFO L87 Difference]: Start difference. First operand 133 states and 200 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-11-03 02:41:04,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:06,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:07,310 INFO L93 Difference]: Finished difference Result 264 states and 397 transitions. [2022-11-03 02:41:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:07,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2022-11-03 02:41:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:07,311 INFO L225 Difference]: With dead ends: 264 [2022-11-03 02:41:07,311 INFO L226 Difference]: Without dead ends: 143 [2022-11-03 02:41:07,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:07,313 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 9 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:07,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 331 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 149 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 02:41:07,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-03 02:41:07,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2022-11-03 02:41:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.5075757575757576) internal successors, (199), 132 states have internal predecessors, (199), 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) [2022-11-03 02:41:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 199 transitions. [2022-11-03 02:41:07,322 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 199 transitions. Word has length 42 [2022-11-03 02:41:07,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:07,323 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 199 transitions. [2022-11-03 02:41:07,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-11-03 02:41:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2022-11-03 02:41:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-03 02:41:07,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:07,325 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:41:07,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:41:07,325 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:07,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:07,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1011361290, now seen corresponding path program 1 times [2022-11-03 02:41:07,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:07,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923227566] [2022-11-03 02:41:07,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:07,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:07,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:07,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923227566] [2022-11-03 02:41:07,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923227566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:07,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:07,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:41:07,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946607524] [2022-11-03 02:41:07,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:07,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:07,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:07,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:07,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:07,775 INFO L87 Difference]: Start difference. First operand 133 states and 199 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-11-03 02:41:09,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:10,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:10,161 INFO L93 Difference]: Finished difference Result 264 states and 396 transitions. [2022-11-03 02:41:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:10,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2022-11-03 02:41:10,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:10,163 INFO L225 Difference]: With dead ends: 264 [2022-11-03 02:41:10,163 INFO L226 Difference]: Without dead ends: 143 [2022-11-03 02:41:10,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:10,164 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 11 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:10,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 331 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:41:10,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-03 02:41:10,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2022-11-03 02:41:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.5) internal successors, (198), 132 states have internal predecessors, (198), 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) [2022-11-03 02:41:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 198 transitions. [2022-11-03 02:41:10,173 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 198 transitions. Word has length 42 [2022-11-03 02:41:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:10,173 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 198 transitions. [2022-11-03 02:41:10,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2022-11-03 02:41:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 198 transitions. [2022-11-03 02:41:10,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-03 02:41:10,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:10,175 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:41:10,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:41:10,176 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:10,176 INFO L85 PathProgramCache]: Analyzing trace with hash -268265744, now seen corresponding path program 1 times [2022-11-03 02:41:10,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:10,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188903052] [2022-11-03 02:41:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:10,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:10,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:10,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188903052] [2022-11-03 02:41:10,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188903052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:10,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:10,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:41:10,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008224831] [2022-11-03 02:41:10,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:10,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:10,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:10,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:10,615 INFO L87 Difference]: Start difference. First operand 133 states and 198 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-11-03 02:41:12,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:12,976 INFO L93 Difference]: Finished difference Result 256 states and 385 transitions. [2022-11-03 02:41:12,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:12,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2022-11-03 02:41:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:12,978 INFO L225 Difference]: With dead ends: 256 [2022-11-03 02:41:12,978 INFO L226 Difference]: Without dead ends: 135 [2022-11-03 02:41:12,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:12,979 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 5 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:12,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 341 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:41:12,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-03 02:41:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2022-11-03 02:41:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.4924242424242424) internal successors, (197), 132 states have internal predecessors, (197), 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) [2022-11-03 02:41:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 197 transitions. [2022-11-03 02:41:12,986 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 197 transitions. Word has length 43 [2022-11-03 02:41:12,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:12,987 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 197 transitions. [2022-11-03 02:41:12,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-11-03 02:41:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 197 transitions. [2022-11-03 02:41:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-03 02:41:12,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:12,989 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:41:12,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:41:12,989 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:12,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:12,990 INFO L85 PathProgramCache]: Analyzing trace with hash 592067863, now seen corresponding path program 1 times [2022-11-03 02:41:12,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:12,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020947477] [2022-11-03 02:41:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:12,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:13,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:13,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020947477] [2022-11-03 02:41:13,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020947477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:13,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:13,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:13,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513272048] [2022-11-03 02:41:13,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:13,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:13,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:13,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:13,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:13,447 INFO L87 Difference]: Start difference. First operand 133 states and 197 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-03 02:41:15,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:16,038 INFO L93 Difference]: Finished difference Result 356 states and 537 transitions. [2022-11-03 02:41:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:16,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 44 [2022-11-03 02:41:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:16,041 INFO L225 Difference]: With dead ends: 356 [2022-11-03 02:41:16,041 INFO L226 Difference]: Without dead ends: 235 [2022-11-03 02:41:16,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:16,042 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 102 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:16,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 245 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 239 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:41:16,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2022-11-03 02:41:16,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 159. [2022-11-03 02:41:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 158 states have (on average 1.5316455696202531) internal successors, (242), 158 states have internal predecessors, (242), 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) [2022-11-03 02:41:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 242 transitions. [2022-11-03 02:41:16,051 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 242 transitions. Word has length 44 [2022-11-03 02:41:16,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:16,051 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 242 transitions. [2022-11-03 02:41:16,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-03 02:41:16,052 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 242 transitions. [2022-11-03 02:41:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-03 02:41:16,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:16,053 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:41:16,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:41:16,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:16,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:16,054 INFO L85 PathProgramCache]: Analyzing trace with hash -732094757, now seen corresponding path program 1 times [2022-11-03 02:41:16,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:16,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721587870] [2022-11-03 02:41:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:16,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:16,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:16,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721587870] [2022-11-03 02:41:16,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721587870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:16,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:16,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:16,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70320620] [2022-11-03 02:41:16,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:16,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:16,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:16,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:16,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:16,400 INFO L87 Difference]: Start difference. First operand 159 states and 242 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-03 02:41:18,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:18,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:18,827 INFO L93 Difference]: Finished difference Result 340 states and 522 transitions. [2022-11-03 02:41:18,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:18,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2022-11-03 02:41:18,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:18,834 INFO L225 Difference]: With dead ends: 340 [2022-11-03 02:41:18,834 INFO L226 Difference]: Without dead ends: 193 [2022-11-03 02:41:18,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:18,835 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 21 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:18,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 336 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:41:18,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-03 02:41:18,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 179. [2022-11-03 02:41:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.5449438202247192) internal successors, (275), 178 states have internal predecessors, (275), 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) [2022-11-03 02:41:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 275 transitions. [2022-11-03 02:41:18,844 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 275 transitions. Word has length 45 [2022-11-03 02:41:18,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:18,844 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 275 transitions. [2022-11-03 02:41:18,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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) [2022-11-03 02:41:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 275 transitions. [2022-11-03 02:41:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-03 02:41:18,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:18,846 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-03 02:41:18,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:41:18,846 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:18,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:18,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1561888460, now seen corresponding path program 1 times [2022-11-03 02:41:18,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:18,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578794391] [2022-11-03 02:41:18,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:18,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:19,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:19,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578794391] [2022-11-03 02:41:19,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578794391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:19,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:19,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:19,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521430971] [2022-11-03 02:41:19,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:19,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:19,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:19,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:19,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:19,239 INFO L87 Difference]: Start difference. First operand 179 states and 275 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-03 02:41:21,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:21,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:21,684 INFO L93 Difference]: Finished difference Result 360 states and 554 transitions. [2022-11-03 02:41:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:21,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 55 [2022-11-03 02:41:21,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:21,686 INFO L225 Difference]: With dead ends: 360 [2022-11-03 02:41:21,687 INFO L226 Difference]: Without dead ends: 193 [2022-11-03 02:41:21,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:21,688 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 32 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:21,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 338 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:41:21,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-03 02:41:21,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 179. [2022-11-03 02:41:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.5393258426966292) internal successors, (274), 178 states have internal predecessors, (274), 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) [2022-11-03 02:41:21,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 274 transitions. [2022-11-03 02:41:21,696 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 274 transitions. Word has length 55 [2022-11-03 02:41:21,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:21,696 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 274 transitions. [2022-11-03 02:41:21,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-03 02:41:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 274 transitions. [2022-11-03 02:41:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 02:41:21,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:21,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-03 02:41:21,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:41:21,698 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:21,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:21,699 INFO L85 PathProgramCache]: Analyzing trace with hash -714403368, now seen corresponding path program 1 times [2022-11-03 02:41:21,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:21,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242857410] [2022-11-03 02:41:21,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:21,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:41:22,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:22,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242857410] [2022-11-03 02:41:22,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242857410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:22,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:22,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:41:22,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019378729] [2022-11-03 02:41:22,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:22,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:41:22,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:22,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:41:22,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:22,323 INFO L87 Difference]: Start difference. First operand 179 states and 274 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:24,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:24,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:24,926 INFO L93 Difference]: Finished difference Result 354 states and 546 transitions. [2022-11-03 02:41:24,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:41:24,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-11-03 02:41:24,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:24,928 INFO L225 Difference]: With dead ends: 354 [2022-11-03 02:41:24,928 INFO L226 Difference]: Without dead ends: 187 [2022-11-03 02:41:24,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:41:24,929 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 120 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 32 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:24,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 237 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 271 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:41:24,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-03 02:41:24,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 186. [2022-11-03 02:41:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.5135135135135136) internal successors, (280), 185 states have internal predecessors, (280), 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) [2022-11-03 02:41:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 280 transitions. [2022-11-03 02:41:24,939 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 280 transitions. Word has length 56 [2022-11-03 02:41:24,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:24,939 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 280 transitions. [2022-11-03 02:41:24,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 280 transitions. [2022-11-03 02:41:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:41:24,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:24,940 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-03 02:41:24,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:41:24,941 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:24,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1221243671, now seen corresponding path program 1 times [2022-11-03 02:41:24,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:24,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555612594] [2022-11-03 02:41:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:25,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:25,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:25,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555612594] [2022-11-03 02:41:25,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555612594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:25,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:25,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:25,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058489264] [2022-11-03 02:41:25,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:25,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:25,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:25,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:25,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:25,323 INFO L87 Difference]: Start difference. First operand 186 states and 280 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-03 02:41:27,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:27,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:27,752 INFO L93 Difference]: Finished difference Result 374 states and 563 transitions. [2022-11-03 02:41:27,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:27,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2022-11-03 02:41:27,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:27,754 INFO L225 Difference]: With dead ends: 374 [2022-11-03 02:41:27,755 INFO L226 Difference]: Without dead ends: 200 [2022-11-03 02:41:27,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:27,756 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 30 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:27,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 338 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:41:27,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-11-03 02:41:27,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 186. [2022-11-03 02:41:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.508108108108108) internal successors, (279), 185 states have internal predecessors, (279), 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) [2022-11-03 02:41:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 279 transitions. [2022-11-03 02:41:27,765 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 279 transitions. Word has length 57 [2022-11-03 02:41:27,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:27,766 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 279 transitions. [2022-11-03 02:41:27,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-03 02:41:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 279 transitions. [2022-11-03 02:41:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:41:27,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:27,767 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 02:41:27,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:41:27,768 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:27,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:27,768 INFO L85 PathProgramCache]: Analyzing trace with hash 756951056, now seen corresponding path program 1 times [2022-11-03 02:41:27,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:27,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136279492] [2022-11-03 02:41:27,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:27,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:28,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:28,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136279492] [2022-11-03 02:41:28,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136279492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:28,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:28,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:28,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403432264] [2022-11-03 02:41:28,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:28,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:28,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:28,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:28,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:28,185 INFO L87 Difference]: Start difference. First operand 186 states and 279 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-03 02:41:30,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:30,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:30,790 INFO L93 Difference]: Finished difference Result 472 states and 718 transitions. [2022-11-03 02:41:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:30,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2022-11-03 02:41:30,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:30,792 INFO L225 Difference]: With dead ends: 472 [2022-11-03 02:41:30,792 INFO L226 Difference]: Without dead ends: 298 [2022-11-03 02:41:30,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:30,793 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 114 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:30,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 245 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 238 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 02:41:30,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2022-11-03 02:41:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 200. [2022-11-03 02:41:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.4974874371859297) internal successors, (298), 199 states have internal predecessors, (298), 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) [2022-11-03 02:41:30,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 298 transitions. [2022-11-03 02:41:30,807 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 298 transitions. Word has length 57 [2022-11-03 02:41:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:30,807 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 298 transitions. [2022-11-03 02:41:30,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-11-03 02:41:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 298 transitions. [2022-11-03 02:41:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 02:41:30,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:30,809 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:30,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:41:30,809 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:30,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:30,810 INFO L85 PathProgramCache]: Analyzing trace with hash 183430821, now seen corresponding path program 1 times [2022-11-03 02:41:30,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:30,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104695028] [2022-11-03 02:41:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:31,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:31,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104695028] [2022-11-03 02:41:31,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104695028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:31,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:31,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:31,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091182079] [2022-11-03 02:41:31,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:31,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:31,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:31,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:31,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:31,284 INFO L87 Difference]: Start difference. First operand 200 states and 298 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:33,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:33,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:33,865 INFO L93 Difference]: Finished difference Result 474 states and 712 transitions. [2022-11-03 02:41:33,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:33,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-03 02:41:33,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:33,867 INFO L225 Difference]: With dead ends: 474 [2022-11-03 02:41:33,867 INFO L226 Difference]: Without dead ends: 286 [2022-11-03 02:41:33,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:33,868 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 117 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:33,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 247 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 237 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:41:33,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-03 02:41:33,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 200. [2022-11-03 02:41:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.4773869346733668) internal successors, (294), 199 states have internal predecessors, (294), 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) [2022-11-03 02:41:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 294 transitions. [2022-11-03 02:41:33,881 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 294 transitions. Word has length 58 [2022-11-03 02:41:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:33,882 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 294 transitions. [2022-11-03 02:41:33,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 294 transitions. [2022-11-03 02:41:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 02:41:33,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:33,883 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:33,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:41:33,884 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:33,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:33,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1547016332, now seen corresponding path program 1 times [2022-11-03 02:41:33,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:33,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278746931] [2022-11-03 02:41:33,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:33,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:34,244 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:34,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:34,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278746931] [2022-11-03 02:41:34,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278746931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:34,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:34,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:34,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592844038] [2022-11-03 02:41:34,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:34,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:34,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:34,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:34,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:34,247 INFO L87 Difference]: Start difference. First operand 200 states and 294 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:36,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:36,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:36,643 INFO L93 Difference]: Finished difference Result 400 states and 589 transitions. [2022-11-03 02:41:36,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:36,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-03 02:41:36,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:36,645 INFO L225 Difference]: With dead ends: 400 [2022-11-03 02:41:36,645 INFO L226 Difference]: Without dead ends: 212 [2022-11-03 02:41:36,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:36,646 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 22 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:36,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 342 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:41:36,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-03 02:41:36,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 200. [2022-11-03 02:41:36,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.4723618090452262) internal successors, (293), 199 states have internal predecessors, (293), 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) [2022-11-03 02:41:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 293 transitions. [2022-11-03 02:41:36,657 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 293 transitions. Word has length 58 [2022-11-03 02:41:36,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:36,658 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 293 transitions. [2022-11-03 02:41:36,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 293 transitions. [2022-11-03 02:41:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-03 02:41:36,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:36,659 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-03 02:41:36,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:41:36,660 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:36,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash 352752516, now seen corresponding path program 1 times [2022-11-03 02:41:36,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:36,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257674046] [2022-11-03 02:41:36,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:36,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:37,036 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:37,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:37,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257674046] [2022-11-03 02:41:37,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257674046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:37,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:37,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:37,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028702845] [2022-11-03 02:41:37,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:37,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:37,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:37,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:37,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:37,039 INFO L87 Difference]: Start difference. First operand 200 states and 293 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-11-03 02:41:39,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:39,400 INFO L93 Difference]: Finished difference Result 400 states and 587 transitions. [2022-11-03 02:41:39,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:39,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-11-03 02:41:39,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:39,401 INFO L225 Difference]: With dead ends: 400 [2022-11-03 02:41:39,402 INFO L226 Difference]: Without dead ends: 212 [2022-11-03 02:41:39,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:39,403 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 24 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:39,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 342 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 02:41:39,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-03 02:41:39,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 200. [2022-11-03 02:41:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.4673366834170853) internal successors, (292), 199 states have internal predecessors, (292), 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) [2022-11-03 02:41:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 292 transitions. [2022-11-03 02:41:39,414 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 292 transitions. Word has length 59 [2022-11-03 02:41:39,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:39,415 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 292 transitions. [2022-11-03 02:41:39,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2022-11-03 02:41:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 292 transitions. [2022-11-03 02:41:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-03 02:41:39,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:39,416 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-11-03 02:41:39,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:41:39,417 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:39,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:39,417 INFO L85 PathProgramCache]: Analyzing trace with hash 880843168, now seen corresponding path program 1 times [2022-11-03 02:41:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:39,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847612036] [2022-11-03 02:41:39,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:39,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:39,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:39,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847612036] [2022-11-03 02:41:39,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847612036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:39,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:39,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:39,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568020774] [2022-11-03 02:41:39,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:39,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:39,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:39,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:39,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:39,824 INFO L87 Difference]: Start difference. First operand 200 states and 292 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:41,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:42,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:42,333 INFO L93 Difference]: Finished difference Result 474 states and 700 transitions. [2022-11-03 02:41:42,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:42,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-11-03 02:41:42,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:42,335 INFO L225 Difference]: With dead ends: 474 [2022-11-03 02:41:42,335 INFO L226 Difference]: Without dead ends: 286 [2022-11-03 02:41:42,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:42,337 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 114 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:42,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 247 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 237 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:41:42,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-03 02:41:42,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 200. [2022-11-03 02:41:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.4472361809045227) internal successors, (288), 199 states have internal predecessors, (288), 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) [2022-11-03 02:41:42,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 288 transitions. [2022-11-03 02:41:42,349 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 288 transitions. Word has length 60 [2022-11-03 02:41:42,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:42,350 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 288 transitions. [2022-11-03 02:41:42,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:41:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 288 transitions. [2022-11-03 02:41:42,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 02:41:42,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:42,351 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 02:41:42,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:41:42,352 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:42,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:42,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1201035306, now seen corresponding path program 1 times [2022-11-03 02:41:42,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:42,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022520903] [2022-11-03 02:41:42,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:42,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:42,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:42,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022520903] [2022-11-03 02:41:42,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022520903] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:41:42,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448028748] [2022-11-03 02:41:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:41:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:41:42,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:41:42,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:41:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:43,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:41:43,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:43,698 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:43,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:41:43,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448028748] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:41:43,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:41:43,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2022-11-03 02:41:43,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672020526] [2022-11-03 02:41:43,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:43,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:41:43,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:43,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:41:43,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:41:43,943 INFO L87 Difference]: Start difference. First operand 200 states and 288 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-11-03 02:41:45,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:46,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:46,154 INFO L93 Difference]: Finished difference Result 389 states and 564 transitions. [2022-11-03 02:41:46,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:41:46,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-11-03 02:41:46,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:46,156 INFO L225 Difference]: With dead ends: 389 [2022-11-03 02:41:46,157 INFO L226 Difference]: Without dead ends: 387 [2022-11-03 02:41:46,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:41:46,158 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 116 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:46,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 278 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:41:46,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-11-03 02:41:46,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 384. [2022-11-03 02:41:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 383 states have (on average 1.4621409921671018) internal successors, (560), 383 states have internal predecessors, (560), 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) [2022-11-03 02:41:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 560 transitions. [2022-11-03 02:41:46,178 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 560 transitions. Word has length 63 [2022-11-03 02:41:46,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:46,179 INFO L495 AbstractCegarLoop]: Abstraction has 384 states and 560 transitions. [2022-11-03 02:41:46,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2022-11-03 02:41:46,179 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 560 transitions. [2022-11-03 02:41:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-03 02:41:46,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:46,180 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 02:41:46,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:46,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:41:46,400 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:46,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:46,400 INFO L85 PathProgramCache]: Analyzing trace with hash 981757880, now seen corresponding path program 1 times [2022-11-03 02:41:46,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:46,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252372478] [2022-11-03 02:41:46,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:46,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:46,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:46,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252372478] [2022-11-03 02:41:46,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252372478] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:41:46,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860724438] [2022-11-03 02:41:46,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:46,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:41:46,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:41:46,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:41:46,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:41:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:47,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:41:47,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:41:47,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:41:48,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860724438] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:41:48,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:41:48,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2022-11-03 02:41:48,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974040663] [2022-11-03 02:41:48,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:48,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:41:48,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:48,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:41:48,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:41:48,066 INFO L87 Difference]: Start difference. First operand 384 states and 560 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-11-03 02:41:50,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:50,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:50,285 INFO L93 Difference]: Finished difference Result 754 states and 1106 transitions. [2022-11-03 02:41:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:41:50,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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 69 [2022-11-03 02:41:50,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:50,288 INFO L225 Difference]: With dead ends: 754 [2022-11-03 02:41:50,289 INFO L226 Difference]: Without dead ends: 752 [2022-11-03 02:41:50,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:41:50,290 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 108 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:50,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 277 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:41:50,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2022-11-03 02:41:50,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 752. [2022-11-03 02:41:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.4673768308921438) internal successors, (1102), 751 states have internal predecessors, (1102), 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) [2022-11-03 02:41:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1102 transitions. [2022-11-03 02:41:50,333 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1102 transitions. Word has length 69 [2022-11-03 02:41:50,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:50,333 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 1102 transitions. [2022-11-03 02:41:50,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-11-03 02:41:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1102 transitions. [2022-11-03 02:41:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-03 02:41:50,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:50,336 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 02:41:50,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 02:41:50,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-03 02:41:50,550 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:50,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash 623338396, now seen corresponding path program 1 times [2022-11-03 02:41:50,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:50,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535299034] [2022-11-03 02:41:50,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:50,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:41:51,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:51,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535299034] [2022-11-03 02:41:51,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535299034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:51,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:51,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:51,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899853374] [2022-11-03 02:41:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:51,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:51,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:51,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:51,025 INFO L87 Difference]: Start difference. First operand 752 states and 1102 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-11-03 02:41:53,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:53,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:53,641 INFO L93 Difference]: Finished difference Result 1928 states and 2854 transitions. [2022-11-03 02:41:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:53,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 91 [2022-11-03 02:41:53,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:53,647 INFO L225 Difference]: With dead ends: 1928 [2022-11-03 02:41:53,647 INFO L226 Difference]: Without dead ends: 1188 [2022-11-03 02:41:53,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:53,652 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 89 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:53,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 249 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 238 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:41:53,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-11-03 02:41:53,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 940. [2022-11-03 02:41:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 939 states have (on average 1.5228966986155485) internal successors, (1430), 939 states have internal predecessors, (1430), 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) [2022-11-03 02:41:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1430 transitions. [2022-11-03 02:41:53,704 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1430 transitions. Word has length 91 [2022-11-03 02:41:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:53,705 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1430 transitions. [2022-11-03 02:41:53,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2022-11-03 02:41:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1430 transitions. [2022-11-03 02:41:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-03 02:41:53,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:53,708 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 02:41:53,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:41:53,709 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:53,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:53,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1925514807, now seen corresponding path program 1 times [2022-11-03 02:41:53,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:53,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137741867] [2022-11-03 02:41:53,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:53,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:41:54,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:54,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137741867] [2022-11-03 02:41:54,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137741867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:54,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:54,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:54,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88635813] [2022-11-03 02:41:54,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:54,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:54,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:54,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:54,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:54,106 INFO L87 Difference]: Start difference. First operand 940 states and 1430 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-11-03 02:41:56,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:56,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:56,596 INFO L93 Difference]: Finished difference Result 2038 states and 3082 transitions. [2022-11-03 02:41:56,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:41:56,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 92 [2022-11-03 02:41:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:56,603 INFO L225 Difference]: With dead ends: 2038 [2022-11-03 02:41:56,603 INFO L226 Difference]: Without dead ends: 1110 [2022-11-03 02:41:56,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:41:56,609 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 26 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:56,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 404 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 195 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:41:56,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-11-03 02:41:56,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1036. [2022-11-03 02:41:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1035 states have (on average 1.5246376811594202) internal successors, (1578), 1035 states have internal predecessors, (1578), 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) [2022-11-03 02:41:56,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1578 transitions. [2022-11-03 02:41:56,665 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1578 transitions. Word has length 92 [2022-11-03 02:41:56,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:56,666 INFO L495 AbstractCegarLoop]: Abstraction has 1036 states and 1578 transitions. [2022-11-03 02:41:56,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-11-03 02:41:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1578 transitions. [2022-11-03 02:41:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:41:56,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:56,670 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2022-11-03 02:41:56,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:41:56,670 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:56,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:56,671 INFO L85 PathProgramCache]: Analyzing trace with hash 332091625, now seen corresponding path program 1 times [2022-11-03 02:41:56,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:56,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013859526] [2022-11-03 02:41:56,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:56,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:41:57,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:57,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013859526] [2022-11-03 02:41:57,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013859526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:57,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:57,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971865573] [2022-11-03 02:41:57,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:57,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:57,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:57,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:57,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:57,112 INFO L87 Difference]: Start difference. First operand 1036 states and 1578 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-11-03 02:41:59,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:01,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:01,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:01,761 INFO L93 Difference]: Finished difference Result 2352 states and 3562 transitions. [2022-11-03 02:42:01,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:42:01,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 104 [2022-11-03 02:42:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:01,771 INFO L225 Difference]: With dead ends: 2352 [2022-11-03 02:42:01,771 INFO L226 Difference]: Without dead ends: 1328 [2022-11-03 02:42:01,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:42:01,774 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 117 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:01,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 230 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 233 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-03 02:42:01,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2022-11-03 02:42:01,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1036. [2022-11-03 02:42:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1035 states have (on average 1.5053140096618358) internal successors, (1558), 1035 states have internal predecessors, (1558), 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) [2022-11-03 02:42:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1558 transitions. [2022-11-03 02:42:01,835 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1558 transitions. Word has length 104 [2022-11-03 02:42:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:01,835 INFO L495 AbstractCegarLoop]: Abstraction has 1036 states and 1558 transitions. [2022-11-03 02:42:01,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2022-11-03 02:42:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1558 transitions. [2022-11-03 02:42:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 02:42:01,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:01,839 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-11-03 02:42:01,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:42:01,839 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:01,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:01,840 INFO L85 PathProgramCache]: Analyzing trace with hash -436978772, now seen corresponding path program 1 times [2022-11-03 02:42:01,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:01,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355773301] [2022-11-03 02:42:01,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:01,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:42:02,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:02,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355773301] [2022-11-03 02:42:02,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355773301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:02,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:02,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:42:02,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709635611] [2022-11-03 02:42:02,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:02,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:42:02,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:42:02,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:42:02,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:42:02,288 INFO L87 Difference]: Start difference. First operand 1036 states and 1558 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-11-03 02:42:04,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:04,735 INFO L93 Difference]: Finished difference Result 2126 states and 3178 transitions. [2022-11-03 02:42:04,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:42:04,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 105 [2022-11-03 02:42:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:04,740 INFO L225 Difference]: With dead ends: 2126 [2022-11-03 02:42:04,741 INFO L226 Difference]: Without dead ends: 1102 [2022-11-03 02:42:04,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:42:04,743 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 33 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:04,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 402 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:42:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-03 02:42:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1036. [2022-11-03 02:42:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1035 states have (on average 1.5014492753623188) internal successors, (1554), 1035 states have internal predecessors, (1554), 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) [2022-11-03 02:42:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1554 transitions. [2022-11-03 02:42:04,806 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1554 transitions. Word has length 105 [2022-11-03 02:42:04,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:04,806 INFO L495 AbstractCegarLoop]: Abstraction has 1036 states and 1554 transitions. [2022-11-03 02:42:04,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2022-11-03 02:42:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1554 transitions. [2022-11-03 02:42:04,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-03 02:42:04,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:04,810 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2022-11-03 02:42:04,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:42:04,810 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:04,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:04,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2064257362, now seen corresponding path program 1 times [2022-11-03 02:42:04,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:04,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816117452] [2022-11-03 02:42:04,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:04,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:42:05,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:05,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816117452] [2022-11-03 02:42:05,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816117452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:05,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:05,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:42:05,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366154095] [2022-11-03 02:42:05,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:05,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:42:05,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:42:05,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:42:05,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:42:05,292 INFO L87 Difference]: Start difference. First operand 1036 states and 1554 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:07,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:07,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:07,893 INFO L93 Difference]: Finished difference Result 2320 states and 3478 transitions. [2022-11-03 02:42:07,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:42:07,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-11-03 02:42:07,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:07,899 INFO L225 Difference]: With dead ends: 2320 [2022-11-03 02:42:07,899 INFO L226 Difference]: Without dead ends: 1296 [2022-11-03 02:42:07,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:42:07,901 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 109 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 41 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:07,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 257 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 229 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:42:07,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2022-11-03 02:42:07,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1036. [2022-11-03 02:42:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1035 states have (on average 1.4821256038647344) internal successors, (1534), 1035 states have internal predecessors, (1534), 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) [2022-11-03 02:42:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1534 transitions. [2022-11-03 02:42:07,986 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1534 transitions. Word has length 106 [2022-11-03 02:42:07,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:07,987 INFO L495 AbstractCegarLoop]: Abstraction has 1036 states and 1534 transitions. [2022-11-03 02:42:07,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1534 transitions. [2022-11-03 02:42:07,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-03 02:42:07,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:07,991 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:07,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 02:42:07,992 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:07,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:07,993 INFO L85 PathProgramCache]: Analyzing trace with hash -498440221, now seen corresponding path program 1 times [2022-11-03 02:42:07,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:07,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696706911] [2022-11-03 02:42:07,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:07,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:42:08,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:08,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696706911] [2022-11-03 02:42:08,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696706911] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:42:08,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907371085] [2022-11-03 02:42:08,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:08,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:42:08,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:42:08,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:42:08,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:42:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:09,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 02:42:09,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:09,487 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:42:09,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-03 02:42:09,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907371085] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 02:42:09,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:42:09,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2022-11-03 02:42:09,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307600077] [2022-11-03 02:42:09,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:09,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:09,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:42:09,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:09,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:42:09,629 INFO L87 Difference]: Start difference. First operand 1036 states and 1534 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:11,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:11,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:11,945 INFO L93 Difference]: Finished difference Result 2560 states and 3805 transitions. [2022-11-03 02:42:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:11,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-11-03 02:42:11,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:11,952 INFO L225 Difference]: With dead ends: 2560 [2022-11-03 02:42:11,953 INFO L226 Difference]: Without dead ends: 2046 [2022-11-03 02:42:11,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:42:11,955 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 111 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:11,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 275 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 02:42:11,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2022-11-03 02:42:12,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 2034. [2022-11-03 02:42:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 2033 states have (on average 1.485981308411215) internal successors, (3021), 2033 states have internal predecessors, (3021), 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) [2022-11-03 02:42:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 3021 transitions. [2022-11-03 02:42:12,113 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 3021 transitions. Word has length 107 [2022-11-03 02:42:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:12,114 INFO L495 AbstractCegarLoop]: Abstraction has 2034 states and 3021 transitions. [2022-11-03 02:42:12,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 3021 transitions. [2022-11-03 02:42:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:42:12,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:12,117 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:12,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:12,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-03 02:42:12,339 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:12,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:12,339 INFO L85 PathProgramCache]: Analyzing trace with hash -2004798913, now seen corresponding path program 1 times [2022-11-03 02:42:12,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:12,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77574849] [2022-11-03 02:42:12,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:12,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:42:15,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:42:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:42:15,761 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:42:15,761 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:42:15,763 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:42:15,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:42:15,768 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-03 02:42:15,772 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:42:15,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:42:15 BoogieIcfgContainer [2022-11-03 02:42:15,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:42:15,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:42:15,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:42:15,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:42:15,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:43" (3/4) ... [2022-11-03 02:42:15,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:42:15,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:42:15,899 INFO L158 Benchmark]: Toolchain (without parser) took 97224.00ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 80.2MB in the beginning and 239.7MB in the end (delta: -159.5MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2022-11-03 02:42:15,899 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:42:15,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.27ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 73.1MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:42:15,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.92ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 67.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:42:15,900 INFO L158 Benchmark]: Boogie Preprocessor took 133.53ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 60.5MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:42:15,901 INFO L158 Benchmark]: RCFGBuilder took 3527.40ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 60.5MB in the beginning and 101.3MB in the end (delta: -40.8MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2022-11-03 02:42:15,901 INFO L158 Benchmark]: TraceAbstraction took 92693.63ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 101.3MB in the beginning and 240.7MB in the end (delta: -139.4MB). Peak memory consumption was 237.0MB. Max. memory is 16.1GB. [2022-11-03 02:42:15,902 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 394.3MB. Free memory was 240.7MB in the beginning and 239.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:42:15,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.27ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 73.1MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.92ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 67.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.53ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 60.5MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3527.40ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 60.5MB in the beginning and 101.3MB in the end (delta: -40.8MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * TraceAbstraction took 92693.63ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 101.3MB in the beginning and 240.7MB in the end (delta: -139.4MB). Peak memory consumption was 237.0MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 394.3MB. Free memory was 240.7MB in the beginning and 239.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1757]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1475. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1105] CALL ssl3_accept(s) [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback [L1146] COND FALSE !((unsigned long )s->info_callback != (unsigned long )((void *)0)) [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND TRUE tmp___1 & 12288 [L1153] COND FALSE !(tmp___2 & 16384) [L1161] EXPR s->cert VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->cert={4294967297:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:0}, blastFlag=1, got_new_session=0, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:0}, (s->s3)->tmp.reuse_message=4294967301, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967293:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:0}, blastFlag=1, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit [L1383] COND FALSE !(s->hit) [L1386] s->state = 8512 [L1388] s->init_num = 0 VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:0}, (s->s3)->tmp.reuse_message=4294967301, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967293:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1209] COND TRUE s->state == 8512 [L1392] EXPR s->s3 [L1392] EXPR (s->s3)->tmp.new_cipher [L1392] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:0}, ((s->s3)->tmp.new_cipher)->algorithms=4294967354, (s->s3)->tmp.new_cipher={4294967292:0}, blastFlag=2, got_new_session=1, init=1, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967293:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1392] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1395] ret = __VERIFIER_nondet_int() [L1396] COND TRUE blastFlag == 2 [L1397] blastFlag = 6 VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1401] COND FALSE !(ret <= 0) VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1407] s->state = 8528 [L1408] s->init_num = 0 VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:0}, (s->s3)->tmp.reuse_message=4294967301, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967293:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:0}, blastFlag=6, got_new_session=1, init=1, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1215] COND TRUE s->state == 8528 [L1412] EXPR s->s3 [L1412] EXPR (s->s3)->tmp.new_cipher [L1412] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1412] l = ((s->s3)->tmp.new_cipher)->algorithms [L1413] EXPR s->options [L1413] COND TRUE s->options & 2097152UL [L1414] EXPR s->s3 [L1414] (s->s3)->tmp.use_rsa_tmp = 1 [L1418] EXPR s->s3 [L1418] (s->s3)->tmp.use_rsa_tmp VAL [={0:0}, (s->s3)->tmp.use_rsa_tmp=1, blastFlag=6, got_new_session=1, init=1, l=58, ret=11, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967293:0}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1418] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1436] ret = __VERIFIER_nondet_int() [L1437] COND TRUE blastFlag == 6 [L1438] blastFlag = 7 VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1442] COND FALSE !(ret <= 0) VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1459] s->state = 8544 [L1460] s->init_num = 0 VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:0}, (s->s3)->tmp.reuse_message=4294967301, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967293:0}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1167] COND TRUE 1 [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1221] COND TRUE s->state == 8544 [L1464] EXPR s->verify_mode VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->verify_mode=8, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1464] COND TRUE s->verify_mode & 1 [L1465] EXPR s->session [L1465] EXPR (s->session)->peer VAL [={0:0}, (s->session)->peer={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, s->session={4294967294:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1465] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1475] EXPR s->s3 [L1475] EXPR (s->s3)->tmp.new_cipher [L1475] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:0}, ((s->s3)->tmp.new_cipher)->algorithms=4294967354, (s->s3)->tmp.new_cipher={4294967292:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=1, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967293:0}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1475] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1485] EXPR s->s3 [L1485] (s->s3)->tmp.cert_request = 1 [L1486] ret = __VERIFIER_nondet_int() [L1487] COND TRUE blastFlag == 7 VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=0, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] [L1757] reach_error() VAL [={0:0}, blastFlag=7, got_new_session=1, init=1, l=58, ret=0, s={4294967291:0}, s={4294967291:0}, s->info_callback={4294967350:4294967316}, s->s3={4294967323:4294967352}, s->s3={4294967339:4294967345}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=0, tmp=0, tmp___1=-8, tmp___10=0, tmp___2=7, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 92.5s, OverallIterations: 28, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 70.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 mSolverCounterUnknown, 1628 SdHoareTripleChecker+Valid, 69.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1628 mSDsluCounter, 8222 SdHoareTripleChecker+Invalid, 67.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5463 mSDsCounter, 527 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4679 IncrementalHoareTripleChecker+Invalid, 5233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 527 mSolverCounterUnsat, 3228 mSDtfsCounter, 4679 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 509 SyntacticMatches, 4 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2034occurred in iteration=27, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 27 MinimizatonAttempts, 1536 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 1992 NumberOfCodeBlocks, 1992 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2089 ConstructedInterpolants, 0 QuantifiedInterpolants, 5357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2848 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 33 InterpolantComputations, 27 PerfectInterpolantSequences, 1029/1245 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 02:42:15,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI --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 be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:42:18,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:42:18,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:42:18,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:42:18,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:42:18,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:42:18,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:42:18,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:42:18,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:42:18,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:42:18,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:42:18,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:42:18,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:42:18,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:42:18,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:42:18,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:42:18,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:42:18,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:42:18,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:42:18,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:42:18,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:42:18,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:42:18,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:42:18,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:42:18,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:42:18,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:42:18,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:42:18,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:42:18,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:42:18,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:42:18,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:42:18,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:42:18,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:42:18,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:42:18,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:42:18,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:42:18,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:42:18,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:42:18,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:42:18,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:42:18,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:42:18,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 02:42:18,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:42:18,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:42:18,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:42:18,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:42:18,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:42:18,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:42:18,382 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:42:18,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:42:18,383 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:42:18,383 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:42:18,384 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:42:18,384 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:42:18,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:42:18,386 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:42:18,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:42:18,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:42:18,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:42:18,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:42:18,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:42:18,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:42:18,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:42:18,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:42:18,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:42:18,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:42:18,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:42:18,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:42:18,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:42:18,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:42:18,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:42:18,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:42:18,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:42:18,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:42:18,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:42:18,391 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:42:18,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:42:18,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:42:18,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:42:18,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:42:18,392 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_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be72ada7daf51b9672b82550c90021fecf4891e35726a3813c73070b244ac267 [2022-11-03 02:42:18,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:42:18,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:42:18,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:42:18,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:42:18,845 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:42:18,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2022-11-03 02:42:18,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/df96b53c6/5b26ad47759c4a8a948b2fcb867dfc00/FLAG211c0ea1f [2022-11-03 02:42:19,608 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:42:19,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c [2022-11-03 02:42:19,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/df96b53c6/5b26ad47759c4a8a948b2fcb867dfc00/FLAG211c0ea1f [2022-11-03 02:42:19,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/data/df96b53c6/5b26ad47759c4a8a948b2fcb867dfc00 [2022-11-03 02:42:19,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:42:19,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:42:19,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:42:19,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:42:19,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:42:19,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:42:19" (1/1) ... [2022-11-03 02:42:19,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b92c8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:19, skipping insertion in model container [2022-11-03 02:42:19,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:42:19" (1/1) ... [2022-11-03 02:42:19,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:42:19,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:42:20,356 WARN L230 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_0a39359a-d522-42ea-a522-427e2c5220d4/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2022-11-03 02:42:20,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:42:20,390 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 02:42:20,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:42:20,533 WARN L230 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_0a39359a-d522-42ea-a522-427e2c5220d4/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2022-11-03 02:42:20,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:42:20,543 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:42:20,645 WARN L230 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_0a39359a-d522-42ea-a522-427e2c5220d4/sv-benchmarks/c/openssl/s3_srvr.blast.11.i.cil-1.c[74369,74382] [2022-11-03 02:42:20,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:42:20,678 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:42:20,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20 WrapperNode [2022-11-03 02:42:20,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:42:20,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:42:20,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:42:20,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:42:20,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,802 INFO L138 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 762 [2022-11-03 02:42:20,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:42:20,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:42:20,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:42:20,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:42:20,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:42:20,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:42:20,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:42:20,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:42:20,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (1/1) ... [2022-11-03 02:42:20,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:42:20,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:42:20,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:42:20,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:42:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:42:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:42:21,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:42:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:42:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:42:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:42:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:42:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:42:21,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:42:21,203 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:42:21,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:42:21,249 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 02:42:30,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-11-03 02:42:30,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-11-03 02:42:30,175 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:42:30,183 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:42:30,183 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:42:30,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:42:30 BoogieIcfgContainer [2022-11-03 02:42:30,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:42:30,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:42:30,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:42:30,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:42:30,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:42:19" (1/3) ... [2022-11-03 02:42:30,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c938acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:42:30, skipping insertion in model container [2022-11-03 02:42:30,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:42:20" (2/3) ... [2022-11-03 02:42:30,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c938acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:42:30, skipping insertion in model container [2022-11-03 02:42:30,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:42:30" (3/3) ... [2022-11-03 02:42:30,194 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.11.i.cil-1.c [2022-11-03 02:42:30,212 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:42:30,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:42:30,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:42:30,270 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b5bedd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:42:30,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:42:30,275 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) [2022-11-03 02:42:30,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-03 02:42:30,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:30,285 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:42:30,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:30,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:30,291 INFO L85 PathProgramCache]: Analyzing trace with hash -442385417, now seen corresponding path program 1 times [2022-11-03 02:42:30,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:30,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1592359069] [2022-11-03 02:42:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:30,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:30,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:30,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:30,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:42:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:31,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:31,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:42:31,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:31,218 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:31,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1592359069] [2022-11-03 02:42:31,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1592359069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:31,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:31,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516878280] [2022-11-03 02:42:31,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:31,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:31,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:31,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:31,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:31,271 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 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:31,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:31,446 INFO L93 Difference]: Finished difference Result 427 states and 728 transitions. [2022-11-03 02:42:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:31,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-03 02:42:31,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:31,462 INFO L225 Difference]: With dead ends: 427 [2022-11-03 02:42:31,465 INFO L226 Difference]: Without dead ends: 261 [2022-11-03 02:42:31,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:31,474 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 201 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:31,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 461 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:42:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-11-03 02:42:31,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2022-11-03 02:42:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 1.5153846153846153) internal successors, (394), 260 states have internal predecessors, (394), 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) [2022-11-03 02:42:31,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 394 transitions. [2022-11-03 02:42:31,533 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 394 transitions. Word has length 37 [2022-11-03 02:42:31,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:31,533 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 394 transitions. [2022-11-03 02:42:31,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 394 transitions. [2022-11-03 02:42:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-03 02:42:31,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:31,537 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:42:31,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:31,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:31,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:31,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:31,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1297584632, now seen corresponding path program 1 times [2022-11-03 02:42:31,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:31,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146022670] [2022-11-03 02:42:31,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:31,763 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:31,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:42:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:32,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:32,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:42:32,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:32,654 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:32,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146022670] [2022-11-03 02:42:32,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146022670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:32,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:32,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:32,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695177671] [2022-11-03 02:42:32,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:32,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:32,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:32,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:32,657 INFO L87 Difference]: Start difference. First operand 261 states and 394 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-03 02:42:33,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:33,337 INFO L93 Difference]: Finished difference Result 510 states and 781 transitions. [2022-11-03 02:42:33,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:33,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-11-03 02:42:33,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:33,341 INFO L225 Difference]: With dead ends: 510 [2022-11-03 02:42:33,341 INFO L226 Difference]: Without dead ends: 383 [2022-11-03 02:42:33,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:33,343 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 150 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:33,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 567 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 02:42:33,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-11-03 02:42:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2022-11-03 02:42:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.5052356020942408) internal successors, (575), 382 states have internal predecessors, (575), 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) [2022-11-03 02:42:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 575 transitions. [2022-11-03 02:42:33,387 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 575 transitions. Word has length 54 [2022-11-03 02:42:33,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:33,388 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 575 transitions. [2022-11-03 02:42:33,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-03 02:42:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 575 transitions. [2022-11-03 02:42:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-03 02:42:33,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:33,392 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-03 02:42:33,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:33,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:33,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:33,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:33,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2072838766, now seen corresponding path program 1 times [2022-11-03 02:42:33,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:33,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817091620] [2022-11-03 02:42:33,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:33,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:33,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:33,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:33,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:42:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:34,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:34,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:42:34,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:34,494 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:34,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817091620] [2022-11-03 02:42:34,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817091620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:34,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:34,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:34,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850468298] [2022-11-03 02:42:34,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:34,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:34,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:34,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:34,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:34,496 INFO L87 Difference]: Start difference. First operand 383 states and 575 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2022-11-03 02:42:35,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:35,326 INFO L93 Difference]: Finished difference Result 754 states and 1144 transitions. [2022-11-03 02:42:35,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:35,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 76 [2022-11-03 02:42:35,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:35,329 INFO L225 Difference]: With dead ends: 754 [2022-11-03 02:42:35,329 INFO L226 Difference]: Without dead ends: 505 [2022-11-03 02:42:35,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:35,332 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 148 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:35,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 569 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:42:35,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-11-03 02:42:35,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2022-11-03 02:42:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 504 states have (on average 1.501984126984127) internal successors, (757), 504 states have internal predecessors, (757), 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) [2022-11-03 02:42:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 757 transitions. [2022-11-03 02:42:35,377 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 757 transitions. Word has length 76 [2022-11-03 02:42:35,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:35,380 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 757 transitions. [2022-11-03 02:42:35,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2022-11-03 02:42:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 757 transitions. [2022-11-03 02:42:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 02:42:35,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:35,389 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2022-11-03 02:42:35,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:35,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:35,603 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1458485308, now seen corresponding path program 1 times [2022-11-03 02:42:35,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:35,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746565472] [2022-11-03 02:42:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:35,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:35,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:35,610 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:35,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:42:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:36,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:36,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 02:42:36,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:36,639 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:36,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746565472] [2022-11-03 02:42:36,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746565472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:36,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:36,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:36,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416254833] [2022-11-03 02:42:36,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:36,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:36,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:36,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:36,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:36,641 INFO L87 Difference]: Start difference. First operand 505 states and 757 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:37,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:37,202 INFO L93 Difference]: Finished difference Result 1000 states and 1510 transitions. [2022-11-03 02:42:37,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:37,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2022-11-03 02:42:37,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:37,205 INFO L225 Difference]: With dead ends: 1000 [2022-11-03 02:42:37,206 INFO L226 Difference]: Without dead ends: 629 [2022-11-03 02:42:37,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:37,207 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 152 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:37,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 572 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:42:37,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2022-11-03 02:42:37,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 629. [2022-11-03 02:42:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 628 states have (on average 1.4984076433121019) internal successors, (941), 628 states have internal predecessors, (941), 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) [2022-11-03 02:42:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 941 transitions. [2022-11-03 02:42:37,231 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 941 transitions. Word has length 100 [2022-11-03 02:42:37,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:37,231 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 941 transitions. [2022-11-03 02:42:37,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:42:37,232 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 941 transitions. [2022-11-03 02:42:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-03 02:42:37,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:37,234 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:42:37,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:37,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:37,450 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:37,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:37,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1045011737, now seen corresponding path program 1 times [2022-11-03 02:42:37,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:37,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095931763] [2022-11-03 02:42:37,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:37,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:37,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:37,458 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:37,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:42:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:38,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:38,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 02:42:38,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:38,458 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:38,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095931763] [2022-11-03 02:42:38,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095931763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:38,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:38,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:38,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050868803] [2022-11-03 02:42:38,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:38,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:38,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:38,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:38,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:38,460 INFO L87 Difference]: Start difference. First operand 629 states and 941 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2022-11-03 02:42:39,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:39,329 INFO L93 Difference]: Finished difference Result 1246 states and 1875 transitions. [2022-11-03 02:42:39,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:39,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 117 [2022-11-03 02:42:39,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:39,333 INFO L225 Difference]: With dead ends: 1246 [2022-11-03 02:42:39,333 INFO L226 Difference]: Without dead ends: 751 [2022-11-03 02:42:39,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:39,335 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 149 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:39,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 569 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:42:39,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2022-11-03 02:42:39,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2022-11-03 02:42:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 750 states have (on average 1.496) internal successors, (1122), 750 states have internal predecessors, (1122), 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) [2022-11-03 02:42:39,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1122 transitions. [2022-11-03 02:42:39,359 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1122 transitions. Word has length 117 [2022-11-03 02:42:39,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:39,360 INFO L495 AbstractCegarLoop]: Abstraction has 751 states and 1122 transitions. [2022-11-03 02:42:39,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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) [2022-11-03 02:42:39,360 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1122 transitions. [2022-11-03 02:42:39,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:42:39,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:39,363 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:39,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:39,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:39,578 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:39,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:39,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1006485834, now seen corresponding path program 1 times [2022-11-03 02:42:39,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:39,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012399669] [2022-11-03 02:42:39,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:39,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:39,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:39,583 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:39,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:42:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:41,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-03 02:42:41,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:41,223 INFO L390 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 [2022-11-03 02:42:41,234 INFO L390 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 [2022-11-03 02:42:41,372 INFO L390 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 78 treesize of output 85 [2022-11-03 02:42:41,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 78 treesize of output 85 [2022-11-03 02:42:41,494 INFO L390 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 38 treesize of output 49 [2022-11-03 02:42:41,524 INFO L390 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 38 treesize of output 49 [2022-11-03 02:42:41,563 INFO L390 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 19 treesize of output 7 [2022-11-03 02:42:41,574 INFO L390 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 19 treesize of output 7 [2022-11-03 02:42:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-03 02:42:41,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:41,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:41,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012399669] [2022-11-03 02:42:41,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012399669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:41,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:41,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:42:41,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134804825] [2022-11-03 02:42:41,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:41,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:42:41,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:41,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:42:41,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:42:41,612 INFO L87 Difference]: Start difference. First operand 751 states and 1122 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2022-11-03 02:42:43,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:45,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:49,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:50,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:56,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:57,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:58,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:58,532 INFO L93 Difference]: Finished difference Result 1499 states and 2240 transitions. [2022-11-03 02:42:58,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:42:58,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 129 [2022-11-03 02:42:58,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:58,538 INFO L225 Difference]: With dead ends: 1499 [2022-11-03 02:42:58,538 INFO L226 Difference]: Without dead ends: 751 [2022-11-03 02:42:58,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:42:58,540 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 7 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:58,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 671 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2022-11-03 02:42:58,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2022-11-03 02:42:58,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2022-11-03 02:42:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 750 states have (on average 1.4946666666666666) internal successors, (1121), 750 states have internal predecessors, (1121), 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) [2022-11-03 02:42:58,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1121 transitions. [2022-11-03 02:42:58,573 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1121 transitions. Word has length 129 [2022-11-03 02:42:58,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:58,573 INFO L495 AbstractCegarLoop]: Abstraction has 751 states and 1121 transitions. [2022-11-03 02:42:58,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2022-11-03 02:42:58,574 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1121 transitions. [2022-11-03 02:42:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:42:58,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:58,576 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:58,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:58,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:58,799 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:58,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:58,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1440991432, now seen corresponding path program 1 times [2022-11-03 02:42:58,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:58,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277776143] [2022-11-03 02:42:58,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:58,801 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:58,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:58,804 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:58,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 02:43:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:43:00,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:43:00,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:43:00,669 INFO L390 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 29 treesize of output 38 [2022-11-03 02:43:00,700 INFO L390 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 39 treesize of output 50 [2022-11-03 02:43:00,808 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:43:00,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 14 [2022-11-03 02:43:00,846 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-03 02:43:00,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:43:00,846 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:43:00,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277776143] [2022-11-03 02:43:00,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277776143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:43:00,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:43:00,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:43:00,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165211929] [2022-11-03 02:43:00,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:43:00,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:43:00,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:43:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:43:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:43:00,849 INFO L87 Difference]: Start difference. First operand 751 states and 1121 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2022-11-03 02:43:02,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:06,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:08,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:10,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:43:10,909 INFO L93 Difference]: Finished difference Result 1770 states and 2646 transitions. [2022-11-03 02:43:10,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:43:10,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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 129 [2022-11-03 02:43:10,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:43:10,915 INFO L225 Difference]: With dead ends: 1770 [2022-11-03 02:43:10,915 INFO L226 Difference]: Without dead ends: 1029 [2022-11-03 02:43:10,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:43:10,917 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 36 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:43:10,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 590 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 139 Invalid, 1 Unknown, 40 Unchecked, 10.0s Time] [2022-11-03 02:43:10,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2022-11-03 02:43:10,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 906. [2022-11-03 02:43:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 905 states have (on average 1.529281767955801) internal successors, (1384), 905 states have internal predecessors, (1384), 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) [2022-11-03 02:43:10,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1384 transitions. [2022-11-03 02:43:10,950 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1384 transitions. Word has length 129 [2022-11-03 02:43:10,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:43:10,950 INFO L495 AbstractCegarLoop]: Abstraction has 906 states and 1384 transitions. [2022-11-03 02:43:10,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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) [2022-11-03 02:43:10,951 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1384 transitions. [2022-11-03 02:43:10,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:43:10,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:43:10,953 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:43:10,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:43:11,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:43:11,174 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:43:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:43:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash 895401078, now seen corresponding path program 1 times [2022-11-03 02:43:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:43:11,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1725512010] [2022-11-03 02:43:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:43:11,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:43:11,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:43:11,178 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:43:11,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:43:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:43:22,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:43:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:43:25,133 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 02:43:25,134 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:43:25,135 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:43:25,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-03 02:43:25,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:43:25,358 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:43:25,363 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:43:25,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:43:25 BoogieIcfgContainer [2022-11-03 02:43:25,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:43:25,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:43:25,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:43:25,514 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:43:25,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:42:30" (3/4) ... [2022-11-03 02:43:25,517 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:43:25,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:43:25,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:43:25,672 INFO L158 Benchmark]: Toolchain (without parser) took 65862.24ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 40.6MB in the beginning and 30.4MB in the end (delta: 10.2MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-03 02:43:25,672 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:43:25,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 865.96ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 31.6MB in the end (delta: 8.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-03 02:43:25,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.92ms. Allocated memory is still 65.0MB. Free memory was 31.6MB in the beginning and 26.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:43:25,673 INFO L158 Benchmark]: Boogie Preprocessor took 89.61ms. Allocated memory is still 65.0MB. Free memory was 26.9MB in the beginning and 38.4MB in the end (delta: -11.5MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-11-03 02:43:25,674 INFO L158 Benchmark]: RCFGBuilder took 9289.84ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 38.4MB in the beginning and 43.0MB in the end (delta: -4.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-11-03 02:43:25,674 INFO L158 Benchmark]: TraceAbstraction took 55325.86ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 45.6MB in the end (delta: -3.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-03 02:43:25,675 INFO L158 Benchmark]: Witness Printer took 157.35ms. Allocated memory is still 90.2MB. Free memory was 45.6MB in the beginning and 30.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 02:43:25,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 50.3MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 865.96ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 31.6MB in the end (delta: 8.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.92ms. Allocated memory is still 65.0MB. Free memory was 31.6MB in the beginning and 26.9MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.61ms. Allocated memory is still 65.0MB. Free memory was 26.9MB in the beginning and 38.4MB in the end (delta: -11.5MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * RCFGBuilder took 9289.84ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 38.4MB in the beginning and 43.0MB in the end (delta: -4.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * TraceAbstraction took 55325.86ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 45.6MB in the end (delta: -3.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 157.35ms. Allocated memory is still 90.2MB. Free memory was 45.6MB in the beginning and 30.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1757]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1087] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1088] s->options = __VERIFIER_nondet_ulong() [L1089] s->verify_mode = __VERIFIER_nondet_int() [L1090] EXPR s->session [L1090] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1091] EXPR s->s3 [L1091] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1093] EXPR s->s3 [L1093] EXPR (s->s3)->tmp.new_cipher [L1093] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1095] COND FALSE !(__VERIFIER_nondet_int()) [L1101] s->cert = malloc(sizeof(struct cert_st)) [L1102] EXPR s->cert [L1102] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1105] CALL ssl3_accept(s) [L1111] BUF_MEM *buf ; [L1112] unsigned long l ; [L1113] unsigned long Time ; [L1114] unsigned long tmp ; [L1115] void (*cb)() ; [L1116] long num1 ; [L1117] int ret ; [L1118] int new_state ; [L1119] int state ; [L1120] int skip ; [L1121] int got_new_session ; [L1122] int tmp___1 = __VERIFIER_nondet_int() ; [L1123] int tmp___2 = __VERIFIER_nondet_int() ; [L1124] int tmp___3 = __VERIFIER_nondet_int() ; [L1125] int tmp___4 = __VERIFIER_nondet_int() ; [L1126] int tmp___5 = __VERIFIER_nondet_int() ; [L1127] int tmp___6 = __VERIFIER_nondet_int() ; [L1128] int tmp___7 ; [L1129] long tmp___8 = __VERIFIER_nondet_long() ; [L1130] int tmp___9 = __VERIFIER_nondet_int() ; [L1131] int tmp___10 = __VERIFIER_nondet_int() ; [L1132] int blastFlag ; [L1136] s->state = 8464 [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5, tmp___1=0] [L1161] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->cert={-2147483641:0}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5, tmp___1=0] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, Time=5, tmp=5, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, got_new_session=0, init=1, ret=4294967295, s={-2147483642:0}, s={-2147483642:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=0, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->s3={1073741828:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=5, tmp=5, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->hit=0, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1383] COND FALSE !(s->hit) [L1386] s->state = 8512 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1388] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->s3={1073741828:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=5, tmp=5, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8512, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1209] COND TRUE s->state == 8512 [L1392] EXPR s->s3 [L1392] EXPR (s->s3)->tmp.new_cipher [L1392] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:-2147483648}, ((s->s3)->tmp.new_cipher)->algorithms=0, (s->s3)->tmp.new_cipher={6:0}, blastFlag=2, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->s3={1073741828:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1392] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1395] ret = __VERIFIER_nondet_int() [L1396] COND TRUE blastFlag == 2 [L1397] blastFlag = 6 VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1401] COND FALSE !(ret <= 0) VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1407] s->state = 8528 [L1408] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->s3={1073741828:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8512, Time=5, tmp=5, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8528, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1215] COND TRUE s->state == 8528 [L1412] EXPR s->s3 [L1412] EXPR (s->s3)->tmp.new_cipher [L1412] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1412] l = ((s->s3)->tmp.new_cipher)->algorithms [L1413] EXPR s->options VAL [={0:-2147483648}, blastFlag=6, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->options=2097152, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1413] COND TRUE s->options & 2097152UL [L1414] EXPR s->s3 [L1414] (s->s3)->tmp.use_rsa_tmp = 1 [L1418] EXPR s->s3 [L1418] (s->s3)->tmp.use_rsa_tmp VAL [={0:-2147483648}, (s->s3)->tmp.use_rsa_tmp=1, blastFlag=6, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->s3={1073741828:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1418] COND TRUE (s->s3)->tmp.use_rsa_tmp [L1436] ret = __VERIFIER_nondet_int() [L1437] COND TRUE blastFlag == 6 [L1438] blastFlag = 7 VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1442] COND FALSE !(ret <= 0) VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1459] s->state = 8544 [L1460] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1716] EXPR s->s3 [L1716] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->s3={1073741828:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1716] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1745] skip = 0 VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1167] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8528, Time=5, tmp=5, tmp___1=0] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->state=8544, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1221] COND TRUE s->state == 8544 [L1464] EXPR s->verify_mode VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->verify_mode=1, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1464] COND TRUE s->verify_mode & 1 [L1465] EXPR s->session [L1465] EXPR (s->session)->peer VAL [={0:-2147483648}, (s->session)->peer={0:0}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->session={-2147483643:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1465] COND FALSE !((unsigned long )(s->session)->peer != (unsigned long )((void *)0)) [L1475] EXPR s->s3 [L1475] EXPR (s->s3)->tmp.new_cipher [L1475] EXPR ((s->s3)->tmp.new_cipher)->algorithms VAL [={0:-2147483648}, ((s->s3)->tmp.new_cipher)->algorithms=0, (s->s3)->tmp.new_cipher={6:0}, blastFlag=7, got_new_session=1, init=1, l=0, ret=1073741824, s={-2147483642:0}, s={-2147483642:0}, s->s3={1073741828:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1475] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1485] EXPR s->s3 [L1485] (s->s3)->tmp.cert_request = 1 [L1486] ret = __VERIFIER_nondet_int() [L1487] COND TRUE blastFlag == 7 VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=9, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] [L1757] reach_error() VAL [={0:-2147483648}, blastFlag=7, got_new_session=1, init=1, l=0, ret=9, s={-2147483642:0}, s={-2147483642:0}, skip=0, SSLv3_server_data={4:0}, state=8544, Time=5, tmp=5, tmp___1=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 150 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.1s, OverallIterations: 8, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 843 SdHoareTripleChecker+Valid, 29.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 843 mSDsluCounter, 3999 SdHoareTripleChecker+Invalid, 29.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 40 IncrementalHoareTripleChecker+Unchecked, 1789 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 455 IncrementalHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 2210 mSDtfsCounter, 455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 638 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=906occurred in iteration=7, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 15.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 771 NumberOfCodeBlocks, 771 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 635 ConstructedInterpolants, 1 QuantifiedInterpolants, 1232 SizeOfPredicates, 11 NumberOfNonLiveVariables, 5501 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 534/534 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-03 02:43:25,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a39359a-d522-42ea-a522-427e2c5220d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE