./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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 a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- 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 01:49:26,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:49:26,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:49:26,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:49:26,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:49:26,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:49:26,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:49:26,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:49:26,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:49:26,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:49:26,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:49:26,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:49:26,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:49:26,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:49:26,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:49:26,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:49:26,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:49:26,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:49:26,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:49:26,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:49:26,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:49:26,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:49:26,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:49:26,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:49:26,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:49:26,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:49:26,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:49:26,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:49:26,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:49:26,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:49:26,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:49:26,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:49:26,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:49:26,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:49:26,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:49:26,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:49:26,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:49:26,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:49:26,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:49:26,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:49:26,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:49:26,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:49:26,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:49:26,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:49:26,375 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:49:26,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:49:26,376 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:49:26,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:49:26,376 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:49:26,377 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:49:26,377 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:49:26,377 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:49:26,378 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:49:26,378 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:49:26,378 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:49:26,378 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:49:26,379 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:49:26,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:49:26,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:49:26,379 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:49:26,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:49:26,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:49:26,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:49:26,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:49:26,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:49:26,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:49:26,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:49:26,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:49:26,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:49:26,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:49:26,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:49:26,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:49:26,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:49:26,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:49:26,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:26,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:49:26,385 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:49:26,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:49:26,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:49:26,385 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:49:26,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:49:26,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:49:26,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:49:26,386 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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2022-11-03 01:49:26,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:49:26,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:49:26,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:49:26,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:49:26,721 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:49:26,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2022-11-03 01:49:26,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/7b5807fb8/cfdfa99d168e42bcad150697f43b08f6/FLAGbd402479d [2022-11-03 01:49:27,473 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:49:27,474 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2022-11-03 01:49:27,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/7b5807fb8/cfdfa99d168e42bcad150697f43b08f6/FLAGbd402479d [2022-11-03 01:49:27,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/7b5807fb8/cfdfa99d168e42bcad150697f43b08f6 [2022-11-03 01:49:27,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:49:27,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:49:27,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:27,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:49:27,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:49:27,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:27" (1/1) ... [2022-11-03 01:49:27,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442a712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:27, skipping insertion in model container [2022-11-03 01:49:27,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:27" (1/1) ... [2022-11-03 01:49:27,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:49:27,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:49:28,225 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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-11-03 01:49:28,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:28,247 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:49:28,350 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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-11-03 01:49:28,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:28,369 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:49:28,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28 WrapperNode [2022-11-03 01:49:28,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:28,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:28,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:49:28,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:49:28,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,472 INFO L138 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 788 [2022-11-03 01:49:28,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:28,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:49:28,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:49:28,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:49:28,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:49:28,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:49:28,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:49:28,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:49:28,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (1/1) ... [2022-11-03 01:49:28,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:28,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:28,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:49:28,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:49:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:49:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:49:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:49:28,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:49:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:49:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:49:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:49:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:49:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:49:28,858 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:49:28,874 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:49:28,896 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:49:32,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-11-03 01:49:32,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-11-03 01:49:32,019 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:49:32,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:49:32,339 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:49:32,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:32 BoogieIcfgContainer [2022-11-03 01:49:32,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:49:32,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:49:32,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:49:32,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:49:32,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:49:27" (1/3) ... [2022-11-03 01:49:32,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27729dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:32, skipping insertion in model container [2022-11-03 01:49:32,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:28" (2/3) ... [2022-11-03 01:49:32,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27729dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:32, skipping insertion in model container [2022-11-03 01:49:32,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:32" (3/3) ... [2022-11-03 01:49:32,355 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2022-11-03 01:49:32,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:49:32,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:49:32,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:49:32,471 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;@6786fdf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:49:32,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:49:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 107 states have (on average 1.7476635514018692) internal successors, (187), 108 states have internal predecessors, (187), 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 01:49:32,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-03 01:49:32,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:32,490 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, 1, 1] [2022-11-03 01:49:32,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:32,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:32,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1559884611, now seen corresponding path program 1 times [2022-11-03 01:49:32,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:32,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679246669] [2022-11-03 01:49:32,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:32,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:33,748 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 01:49:33,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:33,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679246669] [2022-11-03 01:49:33,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679246669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:33,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:33,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:33,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808663373] [2022-11-03 01:49:33,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:33,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:33,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:33,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:33,801 INFO L87 Difference]: Start difference. First operand has 109 states, 107 states have (on average 1.7476635514018692) internal successors, (187), 108 states have internal predecessors, (187), 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 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 01:49:35,829 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 01:49:36,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:36,471 INFO L93 Difference]: Finished difference Result 241 states and 413 transitions. [2022-11-03 01:49:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:36,475 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 01:49:36,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:36,485 INFO L225 Difference]: With dead ends: 241 [2022-11-03 01:49:36,485 INFO L226 Difference]: Without dead ends: 128 [2022-11-03 01:49:36,488 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 01:49:36,491 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 19 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:36,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 393 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 01:49:36,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-03 01:49:36,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2022-11-03 01:49:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.5391304347826087) internal successors, (177), 115 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 01:49:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 177 transitions. [2022-11-03 01:49:36,570 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 177 transitions. Word has length 39 [2022-11-03 01:49:36,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:36,572 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 177 transitions. [2022-11-03 01:49:36,572 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 01:49:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 177 transitions. [2022-11-03 01:49:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-03 01:49:36,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:36,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:36,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:49:36,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:36,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash 902544904, now seen corresponding path program 1 times [2022-11-03 01:49:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:36,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773662824] [2022-11-03 01:49:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:37,267 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 01:49:37,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:37,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773662824] [2022-11-03 01:49:37,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773662824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:37,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:37,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:37,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876236060] [2022-11-03 01:49:37,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:37,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:37,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:37,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:37,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:37,272 INFO L87 Difference]: Start difference. First operand 116 states and 177 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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 01:49:39,289 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 01:49:39,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:39,901 INFO L93 Difference]: Finished difference Result 321 states and 488 transitions. [2022-11-03 01:49:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:39,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2022-11-03 01:49:39,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:39,904 INFO L225 Difference]: With dead ends: 321 [2022-11-03 01:49:39,904 INFO L226 Difference]: Without dead ends: 217 [2022-11-03 01:49:39,905 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 01:49:39,906 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 121 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:39,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 225 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 01:49:39,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-11-03 01:49:39,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 125. [2022-11-03 01:49:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.5161290322580645) internal successors, (188), 124 states have internal predecessors, (188), 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 01:49:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 188 transitions. [2022-11-03 01:49:39,918 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 188 transitions. Word has length 50 [2022-11-03 01:49:39,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:39,918 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 188 transitions. [2022-11-03 01:49:39,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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 01:49:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2022-11-03 01:49:39,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 01:49:39,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:39,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:39,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:49:39,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:39,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:39,922 INFO L85 PathProgramCache]: Analyzing trace with hash 474744423, now seen corresponding path program 1 times [2022-11-03 01:49:39,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:39,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702896633] [2022-11-03 01:49:39,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:39,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:40,466 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 01:49:40,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:40,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702896633] [2022-11-03 01:49:40,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702896633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:40,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:40,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:40,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012673135] [2022-11-03 01:49:40,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:40,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:40,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:40,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:40,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:40,471 INFO L87 Difference]: Start difference. First operand 125 states and 188 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 01:49:42,485 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 01:49:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:43,083 INFO L93 Difference]: Finished difference Result 330 states and 498 transitions. [2022-11-03 01:49:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:43,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-11-03 01:49:43,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:43,085 INFO L225 Difference]: With dead ends: 330 [2022-11-03 01:49:43,086 INFO L226 Difference]: Without dead ends: 217 [2022-11-03 01:49:43,086 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 01:49:43,087 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 119 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:43,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 224 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 01:49:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-11-03 01:49:43,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 126. [2022-11-03 01:49:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.504) internal successors, (188), 125 states have internal predecessors, (188), 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 01:49:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2022-11-03 01:49:43,098 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 51 [2022-11-03 01:49:43,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:43,099 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2022-11-03 01:49:43,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 01:49:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2022-11-03 01:49:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 01:49:43,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:43,108 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:43,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:49:43,112 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:43,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:43,113 INFO L85 PathProgramCache]: Analyzing trace with hash -840902490, now seen corresponding path program 1 times [2022-11-03 01:49:43,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:43,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996839285] [2022-11-03 01:49:43,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:43,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:43,652 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 01:49:43,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:43,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996839285] [2022-11-03 01:49:43,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996839285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:43,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:43,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:43,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11123749] [2022-11-03 01:49:43,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:43,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:43,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:43,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:43,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:43,662 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 01:49:45,673 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 01:49:46,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:46,033 INFO L93 Difference]: Finished difference Result 252 states and 372 transitions. [2022-11-03 01:49:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:46,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-11-03 01:49:46,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:46,036 INFO L225 Difference]: With dead ends: 252 [2022-11-03 01:49:46,036 INFO L226 Difference]: Without dead ends: 138 [2022-11-03 01:49:46,037 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 01:49:46,038 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 12 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:46,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 327 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 01:49:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-03 01:49:46,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 126. [2022-11-03 01:49:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.496) internal successors, (187), 125 states have internal predecessors, (187), 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 01:49:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 187 transitions. [2022-11-03 01:49:46,047 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 187 transitions. Word has length 51 [2022-11-03 01:49:46,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:46,047 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 187 transitions. [2022-11-03 01:49:46,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 01:49:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 187 transitions. [2022-11-03 01:49:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-03 01:49:46,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:46,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:46,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:49:46,050 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:46,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:46,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1676704038, now seen corresponding path program 1 times [2022-11-03 01:49:46,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:46,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24036843] [2022-11-03 01:49:46,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:46,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:46,454 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 01:49:46,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:46,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24036843] [2022-11-03 01:49:46,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24036843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:46,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:46,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:46,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932061129] [2022-11-03 01:49:46,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:46,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:46,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:46,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:46,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:46,458 INFO L87 Difference]: Start difference. First operand 126 states and 187 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 01:49:48,473 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 01:49:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:48,869 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2022-11-03 01:49:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:48,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2022-11-03 01:49:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:48,872 INFO L225 Difference]: With dead ends: 252 [2022-11-03 01:49:48,872 INFO L226 Difference]: Without dead ends: 138 [2022-11-03 01:49:48,873 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 01:49:48,873 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 10 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:48,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 328 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 01:49:48,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-03 01:49:48,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 126. [2022-11-03 01:49:48,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.488) internal successors, (186), 125 states have internal predecessors, (186), 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 01:49:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 186 transitions. [2022-11-03 01:49:48,906 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 186 transitions. Word has length 51 [2022-11-03 01:49:48,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:48,906 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 186 transitions. [2022-11-03 01:49:48,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 01:49:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 186 transitions. [2022-11-03 01:49:48,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 01:49:48,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:48,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:48,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:49:48,908 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:48,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:48,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1966166027, now seen corresponding path program 1 times [2022-11-03 01:49:48,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:48,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604830115] [2022-11-03 01:49:48,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:48,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:49,392 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 01:49:49,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:49,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604830115] [2022-11-03 01:49:49,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604830115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:49,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:49,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:49,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139394543] [2022-11-03 01:49:49,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:49,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:49,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:49,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:49,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:49,396 INFO L87 Difference]: Start difference. First operand 126 states and 186 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 01:49:51,411 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 01:49:51,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:51,928 INFO L93 Difference]: Finished difference Result 331 states and 495 transitions. [2022-11-03 01:49:51,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:51,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2022-11-03 01:49:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:51,931 INFO L225 Difference]: With dead ends: 331 [2022-11-03 01:49:51,931 INFO L226 Difference]: Without dead ends: 217 [2022-11-03 01:49:51,931 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 01:49:51,932 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 117 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:51,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 224 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:49:51,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-11-03 01:49:51,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 127. [2022-11-03 01:49:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.4761904761904763) internal successors, (186), 126 states have internal predecessors, (186), 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 01:49:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 186 transitions. [2022-11-03 01:49:51,940 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 186 transitions. Word has length 52 [2022-11-03 01:49:51,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:51,941 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 186 transitions. [2022-11-03 01:49:51,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 01:49:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 186 transitions. [2022-11-03 01:49:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 01:49:51,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:51,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:51,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:49:51,943 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:51,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:51,943 INFO L85 PathProgramCache]: Analyzing trace with hash 700599156, now seen corresponding path program 1 times [2022-11-03 01:49:51,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:51,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401709603] [2022-11-03 01:49:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:51,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:52,363 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 01:49:52,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:52,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401709603] [2022-11-03 01:49:52,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401709603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:52,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:52,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:52,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980412719] [2022-11-03 01:49:52,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:52,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:52,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:52,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:52,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:52,365 INFO L87 Difference]: Start difference. First operand 127 states and 186 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 01:49:54,377 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 01:49:54,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:54,906 INFO L93 Difference]: Finished difference Result 332 states and 494 transitions. [2022-11-03 01:49:54,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:54,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2022-11-03 01:49:54,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:54,908 INFO L225 Difference]: With dead ends: 332 [2022-11-03 01:49:54,908 INFO L226 Difference]: Without dead ends: 217 [2022-11-03 01:49:54,909 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 01:49:54,910 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 112 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:54,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 224 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:49:54,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-11-03 01:49:54,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 131. [2022-11-03 01:49:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.476923076923077) internal successors, (192), 130 states have internal predecessors, (192), 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 01:49:54,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 192 transitions. [2022-11-03 01:49:54,919 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 192 transitions. Word has length 52 [2022-11-03 01:49:54,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:54,919 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 192 transitions. [2022-11-03 01:49:54,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 01:49:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 192 transitions. [2022-11-03 01:49:54,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-03 01:49:54,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:54,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:54,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:49:54,921 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:54,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:54,922 INFO L85 PathProgramCache]: Analyzing trace with hash 939784044, now seen corresponding path program 1 times [2022-11-03 01:49:54,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:54,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184164670] [2022-11-03 01:49:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:54,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:55,365 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 01:49:55,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:55,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184164670] [2022-11-03 01:49:55,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184164670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:55,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:55,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:55,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007703741] [2022-11-03 01:49:55,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:55,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:55,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:55,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:55,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:55,371 INFO L87 Difference]: Start difference. First operand 131 states and 192 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 01:49:57,384 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 01:49:57,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:57,907 INFO L93 Difference]: Finished difference Result 336 states and 499 transitions. [2022-11-03 01:49:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:49:57,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2022-11-03 01:49:57,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:57,909 INFO L225 Difference]: With dead ends: 336 [2022-11-03 01:49:57,910 INFO L226 Difference]: Without dead ends: 217 [2022-11-03 01:49:57,910 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 01:49:57,911 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 114 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:57,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 224 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:49:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-11-03 01:49:57,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 131. [2022-11-03 01:49:57,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.4615384615384615) internal successors, (190), 130 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 01:49:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2022-11-03 01:49:57,919 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 53 [2022-11-03 01:49:57,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:57,919 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2022-11-03 01:49:57,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 01:49:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2022-11-03 01:49:57,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-03 01:49:57,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:57,921 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:57,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:49:57,921 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:57,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2094685722, now seen corresponding path program 1 times [2022-11-03 01:49:57,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:57,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088890568] [2022-11-03 01:49:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:57,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:58,307 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 01:49:58,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:58,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088890568] [2022-11-03 01:49:58,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088890568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:58,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:58,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:58,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526657354] [2022-11-03 01:49:58,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:58,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:49:58,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:58,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:49:58,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:58,311 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand has 4 states, 4 states have (on average 13.5) 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 01:50:00,323 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 01:50:00,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:00,649 INFO L93 Difference]: Finished difference Result 252 states and 369 transitions. [2022-11-03 01:50:00,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:00,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) 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 01:50:00,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:00,651 INFO L225 Difference]: With dead ends: 252 [2022-11-03 01:50:00,652 INFO L226 Difference]: Without dead ends: 133 [2022-11-03 01:50:00,652 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 01:50:00,653 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 5 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:00,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 341 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 01:50:00,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-03 01:50:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2022-11-03 01:50:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.4538461538461538) internal successors, (189), 130 states have internal predecessors, (189), 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 01:50:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2022-11-03 01:50:00,659 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 54 [2022-11-03 01:50:00,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:00,659 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2022-11-03 01:50:00,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) 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 01:50:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2022-11-03 01:50:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-03 01:50:00,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:00,660 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:00,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 01:50:00,660 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:00,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:00,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1831104607, now seen corresponding path program 1 times [2022-11-03 01:50:00,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:00,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40807846] [2022-11-03 01:50:00,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:00,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:01,073 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 01:50:01,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:01,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40807846] [2022-11-03 01:50:01,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40807846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:01,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:01,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:01,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498538885] [2022-11-03 01:50:01,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:01,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:01,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:01,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:01,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:01,079 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 01:50:03,092 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 01:50:03,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:03,657 INFO L93 Difference]: Finished difference Result 351 states and 515 transitions. [2022-11-03 01:50:03,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:03,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 01:50:03,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:03,659 INFO L225 Difference]: With dead ends: 351 [2022-11-03 01:50:03,659 INFO L226 Difference]: Without dead ends: 232 [2022-11-03 01:50:03,660 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 01:50:03,660 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 80 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:03,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 246 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 233 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:50:03,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-11-03 01:50:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 172. [2022-11-03 01:50:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 1.5204678362573099) internal successors, (260), 171 states have internal predecessors, (260), 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 01:50:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 260 transitions. [2022-11-03 01:50:03,669 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 260 transitions. Word has length 54 [2022-11-03 01:50:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:03,670 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 260 transitions. [2022-11-03 01:50:03,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 01:50:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2022-11-03 01:50:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-03 01:50:03,671 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:03,671 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:03,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 01:50:03,672 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:03,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:03,672 INFO L85 PathProgramCache]: Analyzing trace with hash -936793054, now seen corresponding path program 1 times [2022-11-03 01:50:03,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:03,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473168748] [2022-11-03 01:50:03,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:04,054 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 01:50:04,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:04,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473168748] [2022-11-03 01:50:04,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473168748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:04,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:04,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:04,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394211848] [2022-11-03 01:50:04,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:04,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:04,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:04,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:04,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:04,057 INFO L87 Difference]: Start difference. First operand 172 states and 260 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 01:50:06,068 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 01:50:06,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:06,666 INFO L93 Difference]: Finished difference Result 418 states and 637 transitions. [2022-11-03 01:50:06,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:06,668 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 01:50:06,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:06,669 INFO L225 Difference]: With dead ends: 418 [2022-11-03 01:50:06,670 INFO L226 Difference]: Without dead ends: 256 [2022-11-03 01:50:06,670 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 01:50:06,671 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 81 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:06,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 259 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 234 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 01:50:06,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-03 01:50:06,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 197. [2022-11-03 01:50:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.5765306122448979) internal successors, (309), 196 states have internal predecessors, (309), 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 01:50:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 309 transitions. [2022-11-03 01:50:06,683 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 309 transitions. Word has length 55 [2022-11-03 01:50:06,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:06,683 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 309 transitions. [2022-11-03 01:50:06,683 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 01:50:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 309 transitions. [2022-11-03 01:50:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 01:50:06,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:06,685 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:06,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 01:50:06,686 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:06,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:06,687 INFO L85 PathProgramCache]: Analyzing trace with hash -479559557, now seen corresponding path program 1 times [2022-11-03 01:50:06,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:06,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509714134] [2022-11-03 01:50:06,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:06,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 01:50:07,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:07,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509714134] [2022-11-03 01:50:07,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509714134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:07,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:07,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:07,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478804972] [2022-11-03 01:50:07,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:07,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:07,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:07,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:07,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:07,088 INFO L87 Difference]: Start difference. First operand 197 states and 309 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 01:50:09,100 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 01:50:09,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:09,484 INFO L93 Difference]: Finished difference Result 416 states and 652 transitions. [2022-11-03 01:50:09,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:09,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 82 [2022-11-03 01:50:09,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:09,487 INFO L225 Difference]: With dead ends: 416 [2022-11-03 01:50:09,487 INFO L226 Difference]: Without dead ends: 231 [2022-11-03 01:50:09,488 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 01:50:09,489 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 17 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:09,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 336 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 01:50:09,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-11-03 01:50:09,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 217. [2022-11-03 01:50:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.5648148148148149) internal successors, (338), 216 states have internal predecessors, (338), 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 01:50:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 338 transitions. [2022-11-03 01:50:09,499 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 338 transitions. Word has length 82 [2022-11-03 01:50:09,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:09,499 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 338 transitions. [2022-11-03 01:50:09,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 01:50:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 338 transitions. [2022-11-03 01:50:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 01:50:09,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:09,501 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 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 01:50:09,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 01:50:09,502 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:09,502 INFO L85 PathProgramCache]: Analyzing trace with hash -151417116, now seen corresponding path program 1 times [2022-11-03 01:50:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:09,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786937095] [2022-11-03 01:50:09,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:09,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 01:50:09,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:09,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786937095] [2022-11-03 01:50:09,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786937095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:09,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:09,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:09,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778579563] [2022-11-03 01:50:09,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:09,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:09,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:09,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:09,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:09,889 INFO L87 Difference]: Start difference. First operand 217 states and 338 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 01:50:11,901 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 01:50:12,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:12,304 INFO L93 Difference]: Finished difference Result 434 states and 678 transitions. [2022-11-03 01:50:12,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:12,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 94 [2022-11-03 01:50:12,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:12,307 INFO L225 Difference]: With dead ends: 434 [2022-11-03 01:50:12,308 INFO L226 Difference]: Without dead ends: 229 [2022-11-03 01:50:12,308 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 01:50:12,309 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 22 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:12,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 340 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 01:50:12,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2022-11-03 01:50:12,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2022-11-03 01:50:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.5601851851851851) internal successors, (337), 216 states have internal predecessors, (337), 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 01:50:12,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 337 transitions. [2022-11-03 01:50:12,318 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 337 transitions. Word has length 94 [2022-11-03 01:50:12,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:12,318 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 337 transitions. [2022-11-03 01:50:12,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 01:50:12,319 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 337 transitions. [2022-11-03 01:50:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 01:50:12,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:12,320 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:12,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 01:50:12,321 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:12,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:12,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2051954920, now seen corresponding path program 1 times [2022-11-03 01:50:12,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:12,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101392649] [2022-11-03 01:50:12,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:12,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 01:50:12,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:12,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101392649] [2022-11-03 01:50:12,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101392649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:12,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:12,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:12,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573307176] [2022-11-03 01:50:12,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:12,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:12,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:12,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:12,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:12,711 INFO L87 Difference]: Start difference. First operand 217 states and 337 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 01:50:14,722 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 01:50:15,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:15,094 INFO L93 Difference]: Finished difference Result 434 states and 676 transitions. [2022-11-03 01:50:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:15,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 94 [2022-11-03 01:50:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:15,096 INFO L225 Difference]: With dead ends: 434 [2022-11-03 01:50:15,097 INFO L226 Difference]: Without dead ends: 229 [2022-11-03 01:50:15,097 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 01:50:15,098 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 20 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:15,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 341 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 155 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 01:50:15,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2022-11-03 01:50:15,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 217. [2022-11-03 01:50:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.5555555555555556) internal successors, (336), 216 states have internal predecessors, (336), 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 01:50:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 336 transitions. [2022-11-03 01:50:15,107 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 336 transitions. Word has length 94 [2022-11-03 01:50:15,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:15,107 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 336 transitions. [2022-11-03 01:50:15,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 01:50:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 336 transitions. [2022-11-03 01:50:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-03 01:50:15,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:15,109 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:15,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 01:50:15,109 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:15,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:15,110 INFO L85 PathProgramCache]: Analyzing trace with hash -635017712, now seen corresponding path program 1 times [2022-11-03 01:50:15,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:15,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563847381] [2022-11-03 01:50:15,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:15,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-03 01:50:15,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:15,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563847381] [2022-11-03 01:50:15,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563847381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:15,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:15,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:50:15,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306231117] [2022-11-03 01:50:15,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:15,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:15,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:15,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:15,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:50:15,818 INFO L87 Difference]: Start difference. First operand 217 states and 336 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 01:50:17,831 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 01:50:18,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:18,372 INFO L93 Difference]: Finished difference Result 430 states and 670 transitions. [2022-11-03 01:50:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:50:18,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 97 [2022-11-03 01:50:18,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:18,375 INFO L225 Difference]: With dead ends: 430 [2022-11-03 01:50:18,375 INFO L226 Difference]: Without dead ends: 225 [2022-11-03 01:50:18,376 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 01:50:18,376 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 114 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:18,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 237 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 265 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 01:50:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-11-03 01:50:18,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 224. [2022-11-03 01:50:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.5426008968609866) internal successors, (344), 223 states have internal predecessors, (344), 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 01:50:18,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 344 transitions. [2022-11-03 01:50:18,386 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 344 transitions. Word has length 97 [2022-11-03 01:50:18,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:18,386 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 344 transitions. [2022-11-03 01:50:18,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 01:50:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 344 transitions. [2022-11-03 01:50:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 01:50:18,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:18,388 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:18,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 01:50:18,388 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:18,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:18,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1557676363, now seen corresponding path program 1 times [2022-11-03 01:50:18,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:18,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97002633] [2022-11-03 01:50:18,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:18,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 01:50:18,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:18,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97002633] [2022-11-03 01:50:18,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97002633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:18,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:18,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:18,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058691715] [2022-11-03 01:50:18,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:18,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:18,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:18,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:18,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:18,811 INFO L87 Difference]: Start difference. First operand 224 states and 344 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 01:50:20,827 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 01:50:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:21,174 INFO L93 Difference]: Finished difference Result 440 states and 680 transitions. [2022-11-03 01:50:21,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:21,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 98 [2022-11-03 01:50:21,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:21,177 INFO L225 Difference]: With dead ends: 440 [2022-11-03 01:50:21,177 INFO L226 Difference]: Without dead ends: 228 [2022-11-03 01:50:21,178 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 01:50:21,179 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 18 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:21,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 350 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-03 01:50:21,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-03 01:50:21,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 224. [2022-11-03 01:50:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.5381165919282511) internal successors, (343), 223 states have internal predecessors, (343), 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 01:50:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 343 transitions. [2022-11-03 01:50:21,189 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 343 transitions. Word has length 98 [2022-11-03 01:50:21,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:21,189 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 343 transitions. [2022-11-03 01:50:21,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 01:50:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 343 transitions. [2022-11-03 01:50:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 01:50:21,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:21,191 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, 1, 1, 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 01:50:21,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 01:50:21,191 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:21,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:21,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1671793940, now seen corresponding path program 1 times [2022-11-03 01:50:21,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:21,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268169325] [2022-11-03 01:50:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:21,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 01:50:21,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:21,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268169325] [2022-11-03 01:50:21,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268169325] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:50:21,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493794496] [2022-11-03 01:50:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:21,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:50:21,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:50:21,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:50:21,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:50:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:22,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 01:50:22,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 01:50:22,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:22,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493794496] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 01:50:22,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:22,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2022-11-03 01:50:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238208568] [2022-11-03 01:50:22,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:22,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:22,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:22,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:22,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:50:22,956 INFO L87 Difference]: Start difference. First operand 224 states and 343 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 01:50:24,968 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 01:50:25,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:25,114 INFO L93 Difference]: Finished difference Result 435 states and 671 transitions. [2022-11-03 01:50:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:25,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 01:50:25,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:25,116 INFO L225 Difference]: With dead ends: 435 [2022-11-03 01:50:25,116 INFO L226 Difference]: Without dead ends: 433 [2022-11-03 01:50:25,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 198 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 01:50:25,117 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 106 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:25,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 278 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-03 01:50:25,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-11-03 01:50:25,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 430. [2022-11-03 01:50:25,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 429 states have (on average 1.5547785547785549) internal successors, (667), 429 states have internal predecessors, (667), 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 01:50:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 667 transitions. [2022-11-03 01:50:25,137 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 667 transitions. Word has length 100 [2022-11-03 01:50:25,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:25,137 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 667 transitions. [2022-11-03 01:50:25,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 01:50:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 667 transitions. [2022-11-03 01:50:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 01:50:25,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:25,139 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, 1, 1, 1, 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 01:50:25,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:25,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-03 01:50:25,365 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:25,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash -286004664, now seen corresponding path program 1 times [2022-11-03 01:50:25,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:25,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878379424] [2022-11-03 01:50:25,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:25,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 01:50:25,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:25,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878379424] [2022-11-03 01:50:25,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878379424] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:50:25,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34797139] [2022-11-03 01:50:25,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:25,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:50:25,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:50:25,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:50:25,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:50:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:26,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1000 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:50:26,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-03 01:50:26,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:50:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-03 01:50:27,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34797139] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 01:50:27,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:50:27,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4, 4] total 5 [2022-11-03 01:50:27,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769709581] [2022-11-03 01:50:27,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:27,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:27,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:27,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:50:27,059 INFO L87 Difference]: Start difference. First operand 430 states and 667 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 01:50:29,071 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 01:50:29,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:29,247 INFO L93 Difference]: Finished difference Result 764 states and 1177 transitions. [2022-11-03 01:50:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:29,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 101 [2022-11-03 01:50:29,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:29,251 INFO L225 Difference]: With dead ends: 764 [2022-11-03 01:50:29,251 INFO L226 Difference]: Without dead ends: 762 [2022-11-03 01:50:29,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 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 01:50:29,252 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 104 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:29,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 279 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-03 01:50:29,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-11-03 01:50:29,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 752. [2022-11-03 01:50:29,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 751 states have (on average 1.5499334221038614) internal successors, (1164), 751 states have internal predecessors, (1164), 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 01:50:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1164 transitions. [2022-11-03 01:50:29,314 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1164 transitions. Word has length 101 [2022-11-03 01:50:29,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:29,315 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 1164 transitions. [2022-11-03 01:50:29,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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 01:50:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1164 transitions. [2022-11-03 01:50:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-03 01:50:29,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:29,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:29,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:29,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-03 01:50:29,533 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:29,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1574306766, now seen corresponding path program 1 times [2022-11-03 01:50:29,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:29,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921414533] [2022-11-03 01:50:29,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:29,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:50:32,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:50:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:50:32,803 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:50:32,804 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:50:32,806 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:50:32,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 01:50:32,814 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] [2022-11-03 01:50:32,819 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:50:33,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:50:33 BoogieIcfgContainer [2022-11-03 01:50:33,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:50:33,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:50:33,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:50:33,004 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:50:33,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:32" (3/4) ... [2022-11-03 01:50:33,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:50:33,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:50:33,009 INFO L158 Benchmark]: Toolchain (without parser) took 65353.50ms. Allocated memory was 111.1MB in the beginning and 343.9MB in the end (delta: 232.8MB). Free memory was 74.5MB in the beginning and 255.4MB in the end (delta: -180.9MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-03 01:50:33,010 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:50:33,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.03ms. Allocated memory is still 111.1MB. Free memory was 74.5MB in the beginning and 65.1MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:50:33,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.02ms. Allocated memory is still 111.1MB. Free memory was 65.1MB in the beginning and 60.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:50:33,011 INFO L158 Benchmark]: Boogie Preprocessor took 89.16ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 53.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:50:33,013 INFO L158 Benchmark]: RCFGBuilder took 3768.20ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 53.2MB in the beginning and 57.0MB in the end (delta: -3.9MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-11-03 01:50:33,014 INFO L158 Benchmark]: TraceAbstraction took 60655.12ms. Allocated memory was 157.3MB in the beginning and 343.9MB in the end (delta: 186.6MB). Free memory was 57.0MB in the beginning and 256.4MB in the end (delta: -199.4MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2022-11-03 01:50:33,015 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 343.9MB. Free memory was 256.4MB in the beginning and 255.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:50:33,025 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 77.6MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 712.03ms. Allocated memory is still 111.1MB. Free memory was 74.5MB in the beginning and 65.1MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.02ms. Allocated memory is still 111.1MB. Free memory was 65.1MB in the beginning and 60.5MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.16ms. Allocated memory is still 111.1MB. Free memory was 60.1MB in the beginning and 53.2MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3768.20ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 53.2MB in the beginning and 57.0MB in the end (delta: -3.9MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * TraceAbstraction took 60655.12ms. Allocated memory was 157.3MB in the beginning and 343.9MB in the end (delta: 186.6MB). Free memory was 57.0MB in the beginning and 256.4MB in the end (delta: -199.4MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 343.9MB. Free memory was 256.4MB in the beginning and 255.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 1737]: 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 1151. 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)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback [L1145] COND FALSE !((unsigned long )s->info_callback != (unsigned long )((void *)0)) [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) [L1160] EXPR s->cert VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->cert={4294967297:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:0}, blastFlag=0, buf={0:-1}, got_new_session=0, init=1, ret=-1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=0, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:0}, (s->s3)->tmp.reuse_message=4294967335, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->s3={-13:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1166] COND TRUE 1 [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:0}, blastFlag=1, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit [L1378] COND TRUE s->hit [L1379] s->state = 8656 [L1383] s->init_num = 0 VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:0}, (s->s3)->tmp.reuse_message=4294967335, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->s3={-13:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1166] COND TRUE 1 [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:0}, blastFlag=2, buf={0:-1}, got_new_session=1, init=1, ret=1, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:0}, (s->s3)->tmp.reuse_message=4294967335, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->s3={-13:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1166] COND TRUE 1 [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=13, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=-15, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1618] COND TRUE blastFlag == 5 VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=-15, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] [L1737] reach_error() VAL [={0:0}, blastFlag=5, buf={0:-1}, got_new_session=1, init=1, ret=-15, s={4294967298:0}, s={4294967298:0}, s->info_callback={4294967343:4294967327}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=-1, tmp___10=1, tmp___2=-1, tmp___8=0, tmp___9=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 60.4s, OverallIterations: 19, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 44.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 1191 SdHoareTripleChecker+Valid, 43.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1191 mSDsluCounter, 5176 SdHoareTripleChecker+Invalid, 42.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3409 mSDsCounter, 437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3138 IncrementalHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 437 mSolverCounterUnsat, 1991 mSDtfsCounter, 3138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 481 GetRequests, 421 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=752occurred in iteration=18, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 658 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 1541 NumberOfCodeBlocks, 1541 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1608 ConstructedInterpolants, 0 QuantifiedInterpolants, 4571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1999 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 682/930 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 01:50:33,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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 a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 --- 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 01:50:35,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:50:35,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:50:35,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:50:35,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:50:35,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:50:35,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:50:35,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:50:35,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:50:35,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:50:35,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:50:35,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:50:35,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:50:35,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:50:35,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:50:35,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:50:35,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:50:35,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:50:35,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:50:35,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:50:35,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:50:35,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:50:35,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:50:35,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:50:35,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:50:35,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:50:35,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:50:35,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:50:35,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:50:35,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:50:35,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:50:35,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:50:35,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:50:35,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:50:35,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:50:35,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:50:35,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:50:35,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:50:35,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:50:35,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:50:35,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:50:35,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 01:50:35,505 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:50:35,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:50:35,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:50:35,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:50:35,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:50:35,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:50:35,507 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:50:35,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:50:35,507 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:50:35,508 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:50:35,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:50:35,508 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:50:35,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:50:35,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:50:35,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:50:35,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:50:35,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:50:35,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:50:35,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:50:35,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:50:35,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:50:35,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:50:35,511 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:50:35,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:50:35,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:50:35,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:50:35,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:50:35,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:50:35,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:50:35,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:35,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:50:35,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:50:35,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:50:35,514 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:50:35,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:50:35,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:50:35,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:50:35,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:50:35,515 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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1fff1f2750aedbe7119b44ad3cdc8a2dbfa05ad8147a422ae9aeb0054d6e253 [2022-11-03 01:50:35,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:50:35,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:50:35,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:50:35,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:50:35,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:50:35,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2022-11-03 01:50:35,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/9677e2ea5/ba2cffe5596a4220861a30a44fd7603a/FLAGdb25f78c4 [2022-11-03 01:50:36,489 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:50:36,490 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c [2022-11-03 01:50:36,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/9677e2ea5/ba2cffe5596a4220861a30a44fd7603a/FLAGdb25f78c4 [2022-11-03 01:50:36,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/data/9677e2ea5/ba2cffe5596a4220861a30a44fd7603a [2022-11-03 01:50:36,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:50:36,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:50:36,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:36,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:50:36,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:50:36,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:36" (1/1) ... [2022-11-03 01:50:36,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b004180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:36, skipping insertion in model container [2022-11-03 01:50:36,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:36" (1/1) ... [2022-11-03 01:50:36,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:50:36,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:50:37,386 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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-11-03 01:50:37,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:37,432 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 01:50:37,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:50:37,579 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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-11-03 01:50:37,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:37,601 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:50:37,748 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_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/sv-benchmarks/c/openssl/s3_srvr.blast.01.i.cil-2.c[72913,72926] [2022-11-03 01:50:37,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:37,777 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:50:37,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37 WrapperNode [2022-11-03 01:50:37,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:37,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:37,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:50:37,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:50:37,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,887 INFO L138 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 757 [2022-11-03 01:50:37,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:37,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:50:37,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:50:37,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:50:37,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:37,997 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:38,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:38,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:50:38,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:50:38,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:50:38,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:50:38,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (1/1) ... [2022-11-03 01:50:38,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:50:38,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:50:38,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:50:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:50:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 01:50:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:50:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 01:50:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:50:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:50:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:50:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:50:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 01:50:38,368 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:50:38,370 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:50:38,386 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:50:46,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-11-03 01:50:46,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-11-03 01:50:46,594 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:50:46,602 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:50:46,602 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:50:46,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:50:46 BoogieIcfgContainer [2022-11-03 01:50:46,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:50:46,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:50:46,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:50:46,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:50:46,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:50:36" (1/3) ... [2022-11-03 01:50:46,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dd4ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:50:46, skipping insertion in model container [2022-11-03 01:50:46,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:37" (2/3) ... [2022-11-03 01:50:46,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dd4ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:50:46, skipping insertion in model container [2022-11-03 01:50:46,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:50:46" (3/3) ... [2022-11-03 01:50:46,615 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2022-11-03 01:50:46,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:50:46,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:50:46,691 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:50:46,697 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;@76342fa6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:50:46,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:50:46,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:50:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 01:50:46,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:46,713 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:46,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:46,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:46,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1430116946, now seen corresponding path program 1 times [2022-11-03 01:50:46,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:46,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55359722] [2022-11-03 01:50:46,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:46,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:46,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:46,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:50:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:47,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:47,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:47,748 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 01:50:47,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:47,749 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:47,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55359722] [2022-11-03 01:50:47,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55359722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:47,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:47,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098100383] [2022-11-03 01:50:47,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:47,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:47,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:47,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:47,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:47,793 INFO L87 Difference]: Start difference. First operand has 147 states, 145 states have (on average 1.696551724137931) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 01:50:47,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:47,973 INFO L93 Difference]: Finished difference Result 418 states and 704 transitions. [2022-11-03 01:50:47,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:47,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-11-03 01:50:47,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:47,999 INFO L225 Difference]: With dead ends: 418 [2022-11-03 01:50:48,002 INFO L226 Difference]: Without dead ends: 255 [2022-11-03 01:50:48,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 01:50:48,020 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 187 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:48,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 457 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:50:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-11-03 01:50:48,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2022-11-03 01:50:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 1.5118110236220472) internal successors, (384), 254 states have internal predecessors, (384), 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 01:50:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 384 transitions. [2022-11-03 01:50:48,078 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 384 transitions. Word has length 47 [2022-11-03 01:50:48,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:48,078 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 384 transitions. [2022-11-03 01:50:48,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 01:50:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 384 transitions. [2022-11-03 01:50:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-03 01:50:48,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:48,082 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:48,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:48,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:48,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:48,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash -682574659, now seen corresponding path program 1 times [2022-11-03 01:50:48,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:48,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489830571] [2022-11-03 01:50:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:48,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:48,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:48,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:48,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:50:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:49,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:49,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:49,243 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 01:50:49,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:49,244 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:49,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489830571] [2022-11-03 01:50:49,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489830571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:49,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:49,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:49,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479088984] [2022-11-03 01:50:49,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:49,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:49,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:49,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:49,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:49,249 INFO L87 Difference]: Start difference. First operand 255 states and 384 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:50:49,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:49,466 INFO L93 Difference]: Finished difference Result 498 states and 757 transitions. [2022-11-03 01:50:49,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:49,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2022-11-03 01:50:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:49,470 INFO L225 Difference]: With dead ends: 498 [2022-11-03 01:50:49,470 INFO L226 Difference]: Without dead ends: 374 [2022-11-03 01:50:49,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 01:50:49,472 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 137 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:49,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 562 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:50:49,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-11-03 01:50:49,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2022-11-03 01:50:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.5067024128686326) internal successors, (562), 373 states have internal predecessors, (562), 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 01:50:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 562 transitions. [2022-11-03 01:50:49,521 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 562 transitions. Word has length 64 [2022-11-03 01:50:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:49,522 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 562 transitions. [2022-11-03 01:50:49,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:50:49,523 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 562 transitions. [2022-11-03 01:50:49,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 01:50:49,534 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:49,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:49,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:49,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:49,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:49,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:49,750 INFO L85 PathProgramCache]: Analyzing trace with hash 485035231, now seen corresponding path program 1 times [2022-11-03 01:50:49,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:49,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427224681] [2022-11-03 01:50:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:49,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:49,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:49,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 01:50:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:50,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:50,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:50,766 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 01:50:50,766 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:50,766 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:50,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427224681] [2022-11-03 01:50:50,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427224681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:50,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:50,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:50,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371762782] [2022-11-03 01:50:50,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:50,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:50,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:50,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:50,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:50,769 INFO L87 Difference]: Start difference. First operand 374 states and 562 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 01:50:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:50,934 INFO L93 Difference]: Finished difference Result 737 states and 1115 transitions. [2022-11-03 01:50:50,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:50,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 86 [2022-11-03 01:50:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:50,937 INFO L225 Difference]: With dead ends: 737 [2022-11-03 01:50:50,938 INFO L226 Difference]: Without dead ends: 494 [2022-11-03 01:50:50,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 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 01:50:50,940 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 137 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:50,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 566 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:50:50,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-11-03 01:50:50,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2022-11-03 01:50:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 493 states have (on average 1.5050709939148073) internal successors, (742), 493 states have internal predecessors, (742), 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 01:50:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 742 transitions. [2022-11-03 01:50:50,964 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 742 transitions. Word has length 86 [2022-11-03 01:50:50,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:50,965 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 742 transitions. [2022-11-03 01:50:50,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 01:50:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 742 transitions. [2022-11-03 01:50:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 01:50:50,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:50,972 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:51,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:51,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:51,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:51,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:51,189 INFO L85 PathProgramCache]: Analyzing trace with hash -220313936, now seen corresponding path program 1 times [2022-11-03 01:50:51,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:51,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257799723] [2022-11-03 01:50:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:51,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:51,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:51,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 01:50:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:52,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:52,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 01:50:52,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:52,369 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:52,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257799723] [2022-11-03 01:50:52,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257799723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:52,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:52,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:52,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002209951] [2022-11-03 01:50:52,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:52,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:52,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:52,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:52,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:52,371 INFO L87 Difference]: Start difference. First operand 494 states and 742 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 01:50:52,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:52,559 INFO L93 Difference]: Finished difference Result 854 states and 1285 transitions. [2022-11-03 01:50:52,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:52,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 127 [2022-11-03 01:50:52,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:52,564 INFO L225 Difference]: With dead ends: 854 [2022-11-03 01:50:52,565 INFO L226 Difference]: Without dead ends: 491 [2022-11-03 01:50:52,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 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 01:50:52,569 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 138 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:52,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 561 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:50:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-11-03 01:50:52,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2022-11-03 01:50:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.493877551020408) internal successors, (732), 490 states have internal predecessors, (732), 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 01:50:52,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 732 transitions. [2022-11-03 01:50:52,598 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 732 transitions. Word has length 127 [2022-11-03 01:50:52,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:52,600 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 732 transitions. [2022-11-03 01:50:52,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 01:50:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 732 transitions. [2022-11-03 01:50:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 01:50:52,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:52,614 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:52,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:52,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:52,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:52,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1760202500, now seen corresponding path program 1 times [2022-11-03 01:50:52,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:52,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491838687] [2022-11-03 01:50:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:52,831 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:52,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:52,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:52,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 01:50:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:54,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-03 01:50:54,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:54,496 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 01:50:54,512 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 01:50:54,615 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 58 treesize of output 85 [2022-11-03 01:50:54,641 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 58 treesize of output 85 [2022-11-03 01:50:54,724 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 01:50:54,742 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 01:50:54,779 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 01:50:54,791 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 01:50:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-03 01:50:54,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:54,833 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:54,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491838687] [2022-11-03 01:50:54,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491838687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:54,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:54,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:50:54,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848049596] [2022-11-03 01:50:54,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:54,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:54,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:54,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:54,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:50:54,836 INFO L87 Difference]: Start difference. First operand 491 states and 732 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 01:50:56,867 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 01:50:58,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:04,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:06,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:08,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:08,324 INFO L93 Difference]: Finished difference Result 979 states and 1460 transitions. [2022-11-03 01:51:08,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:51:08,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 128 [2022-11-03 01:51:08,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:08,329 INFO L225 Difference]: With dead ends: 979 [2022-11-03 01:51:08,329 INFO L226 Difference]: Without dead ends: 491 [2022-11-03 01:51:08,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:51:08,331 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 7 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:08,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 635 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2022-11-03 01:51:08,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-11-03 01:51:08,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2022-11-03 01:51:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.4918367346938775) internal successors, (731), 490 states have internal predecessors, (731), 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 01:51:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 731 transitions. [2022-11-03 01:51:08,347 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 731 transitions. Word has length 128 [2022-11-03 01:51:08,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:08,348 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 731 transitions. [2022-11-03 01:51:08,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 01:51:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 731 transitions. [2022-11-03 01:51:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 01:51:08,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:08,350 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:08,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:08,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:08,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:08,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:08,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1330544194, now seen corresponding path program 1 times [2022-11-03 01:51:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:08,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606778360] [2022-11-03 01:51:08,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:08,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:08,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:08,577 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:08,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 01:51:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:10,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 01:51:10,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:10,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:51:10,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:51:10,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:51:10,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:51:10,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:51:10,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 01:51:10,153 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2022-11-03 01:51:10,270 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:51:10,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 89 [2022-11-03 01:51:10,905 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 01:51:10,906 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 74 treesize of output 26 [2022-11-03 01:51:10,944 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-03 01:51:10,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:10,944 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:51:10,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606778360] [2022-11-03 01:51:10,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606778360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:10,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:10,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:51:10,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849530808] [2022-11-03 01:51:10,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:10,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:51:10,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:51:10,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:51:10,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:51:10,948 INFO L87 Difference]: Start difference. First operand 491 states and 731 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:51:12,980 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 01:51:17,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:21,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:25,586 INFO L93 Difference]: Finished difference Result 1122 states and 1671 transitions. [2022-11-03 01:51:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:51:25,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-11-03 01:51:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:25,592 INFO L225 Difference]: With dead ends: 1122 [2022-11-03 01:51:25,593 INFO L226 Difference]: Without dead ends: 641 [2022-11-03 01:51:25,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 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 01:51:25,594 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 39 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:25,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 566 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 184 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-11-03 01:51:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2022-11-03 01:51:25,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 566. [2022-11-03 01:51:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 565 states have (on average 1.5221238938053097) internal successors, (860), 565 states have internal predecessors, (860), 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 01:51:25,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 860 transitions. [2022-11-03 01:51:25,628 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 860 transitions. Word has length 128 [2022-11-03 01:51:25,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:25,629 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 860 transitions. [2022-11-03 01:51:25,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:51:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 860 transitions. [2022-11-03 01:51:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-03 01:51:25,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:25,632 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:25,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:25,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:25,849 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:25,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:25,849 INFO L85 PathProgramCache]: Analyzing trace with hash -545938624, now seen corresponding path program 1 times [2022-11-03 01:51:25,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:51:25,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972914457] [2022-11-03 01:51:25,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:25,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:51:25,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:51:25,853 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:51:25,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 01:51:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:51:32,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:51:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:51:35,518 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 01:51:35,518 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:51:35,520 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:51:35,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:35,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:51:35,744 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:35,751 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:51:36,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:51:36 BoogieIcfgContainer [2022-11-03 01:51:36,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:51:36,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:51:36,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:51:36,040 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:51:36,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:50:46" (3/4) ... [2022-11-03 01:51:36,043 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 01:51:36,237 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:51:36,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:51:36,238 INFO L158 Benchmark]: Toolchain (without parser) took 59455.93ms. Allocated memory was 60.8MB in the beginning and 142.6MB in the end (delta: 81.8MB). Free memory was 37.7MB in the beginning and 78.5MB in the end (delta: -40.8MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2022-11-03 01:51:36,239 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:51:36,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 994.41ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 37.5MB in the beginning and 58.1MB in the end (delta: -20.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-03 01:51:36,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.19ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 53.4MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 01:51:36,240 INFO L158 Benchmark]: Boogie Preprocessor took 111.57ms. Allocated memory is still 90.2MB. Free memory was 53.4MB in the beginning and 45.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 01:51:36,241 INFO L158 Benchmark]: RCFGBuilder took 8597.57ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 45.9MB in the beginning and 60.3MB in the end (delta: -14.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-11-03 01:51:36,241 INFO L158 Benchmark]: TraceAbstraction took 49431.57ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.3MB in the beginning and 96.4MB in the end (delta: -36.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-11-03 01:51:36,242 INFO L158 Benchmark]: Witness Printer took 197.98ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 78.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-03 01:51:36,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 994.41ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 37.5MB in the beginning and 58.1MB in the end (delta: -20.6MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.19ms. Allocated memory is still 90.2MB. Free memory was 58.1MB in the beginning and 53.4MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.57ms. Allocated memory is still 90.2MB. Free memory was 53.4MB in the beginning and 45.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 8597.57ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 45.9MB in the beginning and 60.3MB in the end (delta: -14.4MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 49431.57ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.3MB in the beginning and 96.4MB in the end (delta: -36.0MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 197.98ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 78.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1737]: 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)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp = __VERIFIER_nondet_long() ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 ; [L1126] int tmp___4 ; [L1127] int tmp___5 ; [L1128] int tmp___6 ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 ; [L1132] int tmp___10 ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] Time = tmp [L1141] cb = (void (*)())((void *)0) [L1142] ret = -1 [L1143] skip = 0 [L1144] got_new_session = 0 [L1145] EXPR s->info_callback VAL [={0:0}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->info_callback={0:-2147483648}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8] [L1145] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1146] EXPR s->info_callback [L1146] cb = s->info_callback [L1150] EXPR s->in_handshake [L1150] s->in_handshake += 1 [L1151] COND FALSE !(tmp___1 & 12288) VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0] [L1160] EXPR s->cert VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->cert={536870922:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0] [L1160] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, Time=8, tmp=8, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=0, buf=null, got_new_session=0, init=1, ret=4294967295, s={-1610612725:0}, s={-1610612725:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1193] COND TRUE s->state == 8464 [L1349] s->shutdown = 0 [L1350] ret = __VERIFIER_nondet_int() [L1351] COND TRUE blastFlag == 0 [L1352] blastFlag = 1 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=0, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1356] COND FALSE !(ret <= 0) [L1361] got_new_session = 1 [L1362] s->state = 8496 [L1363] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->s3={536870923:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=8, tmp=8, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=1, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1202] COND TRUE s->state == 8496 [L1367] ret = __VERIFIER_nondet_int() [L1368] COND TRUE blastFlag == 1 [L1369] blastFlag = 2 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1373] COND FALSE !(ret <= 0) [L1378] s->hit VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->hit=-2147483648, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1378] COND TRUE s->hit [L1379] s->state = 8656 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1383] s->init_num = 0 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->s3={536870923:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=8, tmp=8, tmp___1=0] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-2147483648}, blastFlag=2, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0] [L1259] COND TRUE s->state == 8656 [L1583] EXPR s->session [L1583] EXPR s->s3 [L1583] EXPR (s->s3)->tmp.new_cipher [L1583] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1584] tmp___9 = __VERIFIER_nondet_int() [L1585] COND FALSE !(! tmp___9) [L1591] ret = __VERIFIER_nondet_int() [L1592] COND TRUE blastFlag == 2 [L1593] blastFlag = 5 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___9=2147483648] [L1597] COND FALSE !(ret <= 0) [L1602] s->state = 8672 [L1603] s->init_num = 0 [L1604] tmp___10 = __VERIFIER_nondet_int() [L1605] COND FALSE !(! tmp___10) VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1696] EXPR s->s3 [L1696] EXPR (s->s3)->tmp.reuse_message VAL [={0:-2147483648}, (s->s3)->tmp.reuse_message=-2147483648, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->s3={536870923:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1696] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1725] skip = 0 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1166] COND TRUE 1 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1168] EXPR s->state [L1168] state = s->state [L1169] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1169] COND FALSE !(s->state == 12292) [L1172] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1172] COND FALSE !(s->state == 16384) [L1175] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1175] COND FALSE !(s->state == 8192) [L1178] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1178] COND FALSE !(s->state == 24576) [L1181] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1181] COND FALSE !(s->state == 8195) [L1184] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1184] COND FALSE !(s->state == 8480) [L1187] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1187] COND FALSE !(s->state == 8481) [L1190] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1190] COND FALSE !(s->state == 8482) [L1193] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1193] COND FALSE !(s->state == 8464) [L1196] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1196] COND FALSE !(s->state == 8465) [L1199] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1199] COND FALSE !(s->state == 8466) [L1202] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1202] COND FALSE !(s->state == 8496) [L1205] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1205] COND FALSE !(s->state == 8497) [L1208] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1208] COND FALSE !(s->state == 8512) [L1211] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1211] COND FALSE !(s->state == 8513) [L1214] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1214] COND FALSE !(s->state == 8528) [L1217] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1217] COND FALSE !(s->state == 8529) [L1220] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1220] COND FALSE !(s->state == 8544) [L1223] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1223] COND FALSE !(s->state == 8545) [L1226] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1226] COND FALSE !(s->state == 8560) [L1229] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1229] COND FALSE !(s->state == 8561) [L1232] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1232] COND FALSE !(s->state == 8448) [L1235] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1235] COND FALSE !(s->state == 8576) [L1238] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1238] COND FALSE !(s->state == 8577) [L1241] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1241] COND FALSE !(s->state == 8592) [L1244] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1244] COND FALSE !(s->state == 8593) [L1247] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1247] COND FALSE !(s->state == 8608) [L1250] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1250] COND FALSE !(s->state == 8609) [L1253] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1253] COND FALSE !(s->state == 8640) [L1256] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1256] COND FALSE !(s->state == 8641) [L1259] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1259] COND FALSE !(s->state == 8656) [L1262] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1262] COND FALSE !(s->state == 8657) [L1265] EXPR s->state VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=1073741824, s={-1610612725:0}, s={-1610612725:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1265] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND FALSE !(blastFlag == 4) VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1618] COND TRUE blastFlag == 5 VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] [L1737] reach_error() VAL [={0:-2147483648}, blastFlag=5, buf=null, got_new_session=1, init=1, ret=9, s={-1610612725:0}, s={-1610612725:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=8, tmp=8, tmp___1=0, tmp___10=2147483648, tmp___9=2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.1s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 645 SdHoareTripleChecker+Valid, 28.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 3347 SdHoareTripleChecker+Invalid, 27.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1558 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 419 IncrementalHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 1789 mSDtfsCounter, 419 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=566occurred in iteration=6, InterpolantAutomatonStates: 22, 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, 6 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 10.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 574 ConstructedInterpolants, 0 QuantifiedInterpolants, 1778 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4568 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 359/359 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 01:51:36,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea8852a-ab3b-4bd8-8a2a-aa7130737530/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