./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba --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 64bit --witnessprinter.graph.data.programhash 733ceed6be9d24062ba911b31be8a1633ca20a25e8a4a67b98434fc2845023e4 --- 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-b5237d8 [2022-11-22 01:41:56,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:41:56,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:41:56,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:41:56,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:41:56,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:41:56,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:41:56,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:41:56,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:41:56,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:41:56,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:41:56,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:41:56,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:41:56,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:41:56,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:41:56,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:41:56,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:41:56,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:41:56,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:41:56,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:41:56,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:41:56,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:41:56,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:41:56,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:41:56,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:41:56,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:41:56,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:41:56,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:41:56,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:41:56,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:41:56,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:41:56,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:41:56,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:41:56,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:41:56,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:41:56,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:41:56,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:41:56,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:41:56,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:41:56,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:41:56,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:41:56,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:41:56,397 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:41:56,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:41:56,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:41:56,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:41:56,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:41:56,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:41:56,400 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:41:56,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:41:56,401 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:41:56,401 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:41:56,402 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:41:56,403 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:41:56,403 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:41:56,403 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:41:56,404 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:41:56,404 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:41:56,404 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:41:56,405 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:41:56,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:41:56,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:41:56,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:41:56,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:41:56,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:41:56,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:41:56,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:41:56,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:41:56,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:41:56,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:41:56,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:41:56,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:41:56,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:41:56,411 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:41:56,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:41:56,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:41:56,411 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:41:56,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:41:56,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:41:56,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:41:56,412 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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 733ceed6be9d24062ba911b31be8a1633ca20a25e8a4a67b98434fc2845023e4 [2022-11-22 01:41:56,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:41:56,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:41:56,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:41:56,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:41:56,770 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:41:56,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c [2022-11-22 01:42:00,143 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:42:00,408 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:42:00,408 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c [2022-11-22 01:42:00,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data/6fe9d2cbb/c746c18d566448f5be12b9aef56a4f99/FLAG3d7baa6bb [2022-11-22 01:42:00,435 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data/6fe9d2cbb/c746c18d566448f5be12b9aef56a4f99 [2022-11-22 01:42:00,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:42:00,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:42:00,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:42:00,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:42:00,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:42:00,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55cd266f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00, skipping insertion in model container [2022-11-22 01:42:00,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:42:00,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:42:00,649 WARN L237 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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c[1107,1120] [2022-11-22 01:42:00,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:42:00,750 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:42:00,763 WARN L237 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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c[1107,1120] [2022-11-22 01:42:00,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:42:00,839 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:42:00,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00 WrapperNode [2022-11-22 01:42:00,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:42:00,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:42:00,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:42:00,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:42:00,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,910 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 267 [2022-11-22 01:42:00,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:42:00,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:42:00,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:42:00,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:42:00,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:42:00,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:42:00,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:42:00,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:42:00,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (1/1) ... [2022-11-22 01:42:00,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:42:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:42:01,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:42:01,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:42:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:42:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:42:01,320 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:42:01,323 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:42:03,222 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:42:03,252 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:42:03,252 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:42:03,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:03 BoogieIcfgContainer [2022-11-22 01:42:03,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:42:03,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:42:03,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:42:03,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:42:03,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:42:00" (1/3) ... [2022-11-22 01:42:03,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddbb416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:42:03, skipping insertion in model container [2022-11-22 01:42:03,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:00" (2/3) ... [2022-11-22 01:42:03,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddbb416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:42:03, skipping insertion in model container [2022-11-22 01:42:03,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:03" (3/3) ... [2022-11-22 01:42:03,273 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_ball2004_1.c [2022-11-22 01:42:03,297 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:42:03,298 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:42:03,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:42:03,376 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;@2224eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:42:03,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:42:03,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:42:03,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:03,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:42:03,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:03,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-22 01:42:03,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:42:03,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858306527] [2022-11-22 01:42:03,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:03,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:42:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:42:03,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:42:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:42:03,742 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:42:03,744 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:42:03,745 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:42:03,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:42:03,753 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:42:03,757 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:42:03,783 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:42:03,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:42:03 BoogieIcfgContainer [2022-11-22 01:42:03,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:42:03,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:42:03,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:42:03,799 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:42:03,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:03" (3/4) ... [2022-11-22 01:42:03,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:42:03,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:42:03,809 INFO L158 Benchmark]: Toolchain (without parser) took 3368.25ms. Allocated memory was 207.6MB in the beginning and 255.9MB in the end (delta: 48.2MB). Free memory was 160.1MB in the beginning and 165.8MB in the end (delta: -5.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2022-11-22 01:42:03,810 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:42:03,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.68ms. Allocated memory is still 207.6MB. Free memory was 160.1MB in the beginning and 144.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:42:03,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.29ms. Allocated memory is still 207.6MB. Free memory was 144.0MB in the beginning and 140.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:42:03,813 INFO L158 Benchmark]: Boogie Preprocessor took 58.96ms. Allocated memory is still 207.6MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:42:03,818 INFO L158 Benchmark]: RCFGBuilder took 2286.52ms. Allocated memory was 207.6MB in the beginning and 255.9MB in the end (delta: 48.2MB). Free memory was 138.5MB in the beginning and 185.8MB in the end (delta: -47.3MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-11-22 01:42:03,821 INFO L158 Benchmark]: TraceAbstraction took 535.50ms. Allocated memory is still 255.9MB. Free memory was 185.8MB in the beginning and 166.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 01:42:03,821 INFO L158 Benchmark]: Witness Printer took 9.04ms. Allocated memory is still 255.9MB. Free memory was 166.9MB in the beginning and 165.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:42:03,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.68ms. Allocated memory is still 207.6MB. Free memory was 160.1MB in the beginning and 144.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.29ms. Allocated memory is still 207.6MB. Free memory was 144.0MB in the beginning and 140.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.96ms. Allocated memory is still 207.6MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2286.52ms. Allocated memory was 207.6MB in the beginning and 255.9MB in the end (delta: 48.2MB). Free memory was 138.5MB in the beginning and 185.8MB in the end (delta: -47.3MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * TraceAbstraction took 535.50ms. Allocated memory is still 255.9MB. Free memory was 185.8MB in the beginning and 166.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 9.04ms. Allocated memory is still 255.9MB. Free memory was 166.9MB in the beginning and 165.8MB 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: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 64, overapproximation of bitwiseAnd at line 69. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 3); [L29] const SORT_23 msb_SORT_23 = (SORT_23)1 << (3 - 1); [L31] const SORT_1 var_3 = 0; [L32] const SORT_1 var_9 = 1; [L34] SORT_1 input_2; [L36] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L37] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L38] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L39] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] SORT_23 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_23; [L43] SORT_23 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_23; [L44] SORT_23 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_23; [L46] SORT_1 init_5_arg_1 = var_3; [L47] state_4 = init_5_arg_1 [L48] SORT_1 init_14_arg_1 = var_9; [L49] state_13 = init_14_arg_1 [L50] SORT_1 init_16_arg_1 = var_3; [L51] state_15 = init_16_arg_1 [L52] SORT_1 init_18_arg_1 = var_3; [L53] state_17 = init_18_arg_1 [L54] SORT_1 init_20_arg_1 = var_3; [L55] state_19 = init_20_arg_1 [L56] SORT_1 init_22_arg_1 = var_9; [L57] state_21 = init_22_arg_1 VAL [init_14_arg_1=1, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=1, init_5_arg_1=0, mask_SORT_1=1, mask_SORT_23=7, msb_SORT_1=1, msb_SORT_23=4, state_13=1, state_15=0, state_17=0, state_19=0, state_21=1, state_24=0, state_25=0, state_26=0, state_4=0, var_3=0, var_9=1] [L60] input_2 = __VERIFIER_nondet_uchar() [L63] SORT_1 var_6_arg_0 = state_4; [L64] SORT_1 var_6 = ~var_6_arg_0; [L65] SORT_1 var_10_arg_0 = var_6; [L66] SORT_1 var_10 = ~var_10_arg_0; [L67] SORT_1 var_11_arg_0 = var_9; [L68] SORT_1 var_11_arg_1 = var_10; [L69] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L70] var_11 = var_11 & mask_SORT_1 [L71] SORT_1 bad_12_arg_0 = var_11; [L72] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2022-11-22 01:42:03,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba --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 64bit --witnessprinter.graph.data.programhash 733ceed6be9d24062ba911b31be8a1633ca20a25e8a4a67b98434fc2845023e4 --- 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-b5237d8 [2022-11-22 01:42:06,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:42:06,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:42:06,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:42:06,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:42:06,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:42:06,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:42:06,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:42:06,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:42:06,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:42:06,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:42:06,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:42:06,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:42:06,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:42:06,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:42:06,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:42:06,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:42:06,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:42:06,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:42:06,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:42:06,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:42:06,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:42:06,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:42:06,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:42:06,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:42:06,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:42:06,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:42:06,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:42:06,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:42:06,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:42:06,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:42:06,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:42:06,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:42:06,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:42:06,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:42:06,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:42:06,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:42:06,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:42:06,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:42:06,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:42:06,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:42:06,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-22 01:42:06,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:42:06,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:42:06,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:42:06,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:42:06,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:42:06,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:42:06,770 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:42:06,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:42:06,770 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:42:06,771 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:42:06,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:42:06,772 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:42:06,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:42:06,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:42:06,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:42:06,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:42:06,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:42:06,774 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:42:06,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:42:06,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:42:06,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:42:06,775 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:42:06,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:42:06,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:42:06,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:42:06,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:42:06,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:42:06,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:42:06,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:42:06,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:42:06,777 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:42:06,778 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:42:06,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:42:06,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:42:06,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:42:06,779 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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 733ceed6be9d24062ba911b31be8a1633ca20a25e8a4a67b98434fc2845023e4 [2022-11-22 01:42:07,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:42:07,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:42:07,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:42:07,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:42:07,278 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:42:07,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c [2022-11-22 01:42:10,536 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:42:10,794 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:42:10,795 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c [2022-11-22 01:42:10,818 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data/629970614/3789e5e3156b482aa35904543752e3e0/FLAGee5c49bf7 [2022-11-22 01:42:10,841 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/data/629970614/3789e5e3156b482aa35904543752e3e0 [2022-11-22 01:42:10,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:42:10,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:42:10,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:42:10,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:42:10,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:42:10,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:42:10" (1/1) ... [2022-11-22 01:42:10,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f5c526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:10, skipping insertion in model container [2022-11-22 01:42:10,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:42:10" (1/1) ... [2022-11-22 01:42:10,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:42:10,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:42:11,144 WARN L237 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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c[1107,1120] [2022-11-22 01:42:11,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:42:11,298 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:42:11,336 WARN L237 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_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_ball2004_1.c[1107,1120] [2022-11-22 01:42:11,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:42:11,389 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:42:11,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11 WrapperNode [2022-11-22 01:42:11,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:42:11,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:42:11,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:42:11,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:42:11,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,456 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 267 [2022-11-22 01:42:11,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:42:11,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:42:11,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:42:11,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:42:11,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:42:11,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:42:11,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:42:11,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:42:11,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (1/1) ... [2022-11-22 01:42:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:42:11,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:42:11,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:42:11,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:42:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:42:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:42:11,766 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:42:11,768 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:42:12,268 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:42:12,276 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:42:12,276 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 01:42:12,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:12 BoogieIcfgContainer [2022-11-22 01:42:12,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:42:12,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:42:12,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:42:12,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:42:12,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:42:10" (1/3) ... [2022-11-22 01:42:12,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e05290f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:42:12, skipping insertion in model container [2022-11-22 01:42:12,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:42:11" (2/3) ... [2022-11-22 01:42:12,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e05290f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:42:12, skipping insertion in model container [2022-11-22 01:42:12,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:12" (3/3) ... [2022-11-22 01:42:12,298 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_ball2004_1.c [2022-11-22 01:42:12,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:42:12,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:42:12,398 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:42:12,407 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;@2735c99f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:42:12,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:42:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:12,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:42:12,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:12,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:42:12,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:12,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:12,431 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-22 01:42:12,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:42:12,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476360754] [2022-11-22 01:42:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:12,447 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:42:12,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:42:12,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:42:12,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 01:42:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:12,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-22 01:42:12,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:12,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:42:12,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:42:12,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476360754] [2022-11-22 01:42:12,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476360754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:42:12,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:42:12,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:42:12,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619965321] [2022-11-22 01:42:12,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:42:12,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:42:12,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:42:12,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:42:12,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:42:12,893 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:12,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:12,964 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-22 01:42:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:42:12,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-11-22 01:42:12,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:12,976 INFO L225 Difference]: With dead ends: 20 [2022-11-22 01:42:12,976 INFO L226 Difference]: Without dead ends: 11 [2022-11-22 01:42:12,979 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 [2022-11-22 01:42:12,982 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:12,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:42:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-22 01:42:13,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-22 01:42:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-22 01:42:13,015 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-22 01:42:13,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:13,016 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-22 01:42:13,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-22 01:42:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:42:13,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:13,017 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-22 01:42:13,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:42:13,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:42:13,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:13,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:13,230 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-22 01:42:13,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:42:13,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439228552] [2022-11-22 01:42:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:13,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:42:13,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:42:13,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:42:13,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-22 01:42:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:13,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-22 01:42:13,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:13,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:42:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:13,839 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:42:13,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439228552] [2022-11-22 01:42:13,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439228552] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:42:13,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1944118506] [2022-11-22 01:42:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:13,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:42:13,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:42:13,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:42:13,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-22 01:42:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:14,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-22 01:42:14,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:14,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:42:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:14,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1944118506] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:42:14,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977918368] [2022-11-22 01:42:14,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:42:14,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:42:14,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:42:14,473 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:42:14,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:42:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:42:14,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-22 01:42:14,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:14,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:42:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:14,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977918368] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:42:14,997 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 01:42:14,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 10 [2022-11-22 01:42:14,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370515053] [2022-11-22 01:42:14,999 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 01:42:14,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:42:15,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:42:15,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:42:15,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:42:15,001 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:15,134 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-22 01:42:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 01:42:15,134 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 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 8 [2022-11-22 01:42:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:15,135 INFO L225 Difference]: With dead ends: 16 [2022-11-22 01:42:15,135 INFO L226 Difference]: Without dead ends: 14 [2022-11-22 01:42:15,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:42:15,137 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:15,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 16 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:42:15,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-22 01:42:15,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-22 01:42:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-22 01:42:15,141 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-22 01:42:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:15,142 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-22 01:42:15,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-22 01:42:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:42:15,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:15,143 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-22 01:42:15,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:42:15,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:42:15,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:42:15,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt [2022-11-22 01:42:15,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:15,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:15,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-22 01:42:15,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:42:15,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492646552] [2022-11-22 01:42:15,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 01:42:15,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:42:15,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:42:15,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:42:15,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-22 01:42:16,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 01:42:16,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:42:16,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-22 01:42:16,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:16,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:42:17,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:17,128 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:42:17,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492646552] [2022-11-22 01:42:17,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492646552] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:42:17,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [210249710] [2022-11-22 01:42:17,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 01:42:17,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:42:17,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:42:17,132 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:42:17,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-22 01:42:17,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 01:42:17,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:42:17,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 84 conjunts are in the unsatisfiable core [2022-11-22 01:42:17,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:17,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:17,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:42:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:22,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [210249710] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:42:22,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614236675] [2022-11-22 01:42:22,610 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-22 01:42:22,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:42:22,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:42:22,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:42:22,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:42:22,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-22 01:42:22,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:42:22,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 88 conjunts are in the unsatisfiable core [2022-11-22 01:42:22,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:42:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:23,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:42:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:42:25,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614236675] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:42:25,530 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 01:42:25,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 9, 9] total 21 [2022-11-22 01:42:25,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952093762] [2022-11-22 01:42:25,531 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 01:42:25,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-22 01:42:25,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:42:25,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-22 01:42:25,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=316, Unknown=2, NotChecked=0, Total=420 [2022-11-22 01:42:25,534 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 21 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 21 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:26,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:42:26,582 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-22 01:42:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:42:26,583 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 21 states have internal predecessors, (38), 0 states have call successors, (0), 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 11 [2022-11-22 01:42:26,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:42:26,583 INFO L225 Difference]: With dead ends: 19 [2022-11-22 01:42:26,584 INFO L226 Difference]: Without dead ends: 17 [2022-11-22 01:42:26,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=154, Invalid=444, Unknown=2, NotChecked=0, Total=600 [2022-11-22 01:42:26,585 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 37 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:42:26,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 27 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:42:26,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-22 01:42:26,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-22 01:42:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-22 01:42:26,591 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-22 01:42:26,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:42:26,592 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-22 01:42:26,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 21 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:42:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-22 01:42:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:42:26,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:42:26,593 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-22 01:42:26,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:42:26,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 01:42:27,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:42:27,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt [2022-11-22 01:42:27,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:42:27,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:42:27,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-22 01:42:27,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:42:27,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520429505] [2022-11-22 01:42:27,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:42:27,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:42:27,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:42:27,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:42:27,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-22 01:42:27,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-22 01:42:27,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:42:27,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 152 conjunts are in the unsatisfiable core [2022-11-22 01:42:27,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:43:02,960 WARN L233 SmtUtils]: Spent 34.42s on a formula simplification. DAG size of input: 199 DAG size of output: 189 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:43:13,831 WARN L233 SmtUtils]: Spent 10.59s on a formula simplification that was a NOOP. DAG size: 203 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:43:31,682 WARN L233 SmtUtils]: Spent 17.58s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:43:56,835 WARN L233 SmtUtils]: Spent 15.10s on a formula simplification. DAG size of input: 203 DAG size of output: 147 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:43:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:43:57,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:44:06,791 WARN L233 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 287 DAG size of output: 219 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:44:16,208 WARN L233 SmtUtils]: Spent 8.17s on a formula simplification. DAG size of input: 341 DAG size of output: 300 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:44:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:44:16,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:44:16,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520429505] [2022-11-22 01:44:16,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520429505] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:44:16,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [887678123] [2022-11-22 01:44:16,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:44:16,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:44:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:44:16,490 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:44:16,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-22 01:44:17,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-22 01:44:17,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:44:17,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 214 conjunts are in the unsatisfiable core [2022-11-22 01:44:17,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:38,857 WARN L233 SmtUtils]: Spent 14.89s on a formula simplification. DAG size of input: 158 DAG size of output: 158 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:44:48,846 WARN L233 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:45:15,274 WARN L233 SmtUtils]: Spent 22.83s on a formula simplification that was a NOOP. DAG size: 165 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:45:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:45:42,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:45:59,802 WARN L233 SmtUtils]: Spent 13.31s on a formula simplification. DAG size of input: 341 DAG size of output: 267 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:46:26,041 WARN L233 SmtUtils]: Spent 20.24s on a formula simplification. DAG size of input: 436 DAG size of output: 425 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:46:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:26,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [887678123] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:46:26,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587985027] [2022-11-22 01:46:26,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:46:26,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:46:26,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:46:26,375 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:46:26,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 01:46:26,649 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-22 01:46:26,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:46:26,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 122 conjunts are in the unsatisfiable core [2022-11-22 01:46:26,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:46:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:29,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:46:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:46:37,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587985027] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:46:37,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-22 01:46:37,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 10, 10] total 36 [2022-11-22 01:46:37,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826316547] [2022-11-22 01:46:37,651 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-22 01:46:37,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-22 01:46:37,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 01:46:37,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-22 01:46:37,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1042, Unknown=17, NotChecked=0, Total=1260 [2022-11-22 01:46:37,653 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 36 states, 36 states have (on average 1.7777777777777777) internal successors, (64), 36 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) [2022-11-22 01:46:44,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 01:46:46,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 01:48:09,042 WARN L233 SmtUtils]: Spent 1.05m on a formula simplification. DAG size of input: 456 DAG size of output: 331 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:48:11,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:13,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:14,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:16,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:18,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:21,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:24,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:25,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:27,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:30,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:31,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:46,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:55,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 01:48:56,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:48:58,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-22 01:48:59,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-22 01:49:02,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:49:02,961 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-22 01:49:02,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:49:02,961 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.7777777777777777) internal successors, (64), 36 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 14 [2022-11-22 01:49:02,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:49:02,962 INFO L225 Difference]: With dead ends: 25 [2022-11-22 01:49:02,962 INFO L226 Difference]: Without dead ends: 23 [2022-11-22 01:49:02,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 347.6s TimeCoverageRelationStatistics Valid=327, Invalid=1448, Unknown=31, NotChecked=0, Total=1806 [2022-11-22 01:49:02,964 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 81 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 33 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:49:02,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 45 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 86 Invalid, 13 Unknown, 0 Unchecked, 37.3s Time] [2022-11-22 01:49:02,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-22 01:49:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-22 01:49:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:49:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-22 01:49:02,978 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2022-11-22 01:49:02,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:49:02,979 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-22 01:49:02,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.7777777777777777) internal successors, (64), 36 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) [2022-11-22 01:49:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-22 01:49:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 01:49:02,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:49:02,983 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1] [2022-11-22 01:49:02,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2022-11-22 01:49:03,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:49:03,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-22 01:49:03,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:49:03,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:49:03,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:49:03,585 INFO L85 PathProgramCache]: Analyzing trace with hash -826954269, now seen corresponding path program 4 times [2022-11-22 01:49:03,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:49:03,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563994724] [2022-11-22 01:49:03,586 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:49:03,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:49:03,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:49:03,587 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:49:03,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-22 01:49:04,022 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:49:04,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:49:04,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 243 conjunts are in the unsatisfiable core [2022-11-22 01:49:04,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:50:08,002 WARN L233 SmtUtils]: Spent 55.95s on a formula simplification. DAG size of input: 212 DAG size of output: 211 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:50:45,325 WARN L233 SmtUtils]: Spent 36.92s on a formula simplification. DAG size of input: 230 DAG size of output: 201 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:51:02,290 WARN L233 SmtUtils]: Spent 16.60s on a formula simplification that was a NOOP. DAG size: 194 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 01:51:19,487 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-22 01:51:19,488 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 01:51:19,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563994724] [2022-11-22 01:51:19,488 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2022-11-22 01:51:19,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-11-22 01:51:19,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [233057171] [2022-11-22 01:51:19,489 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:51:19,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-22 01:51:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 [2022-11-22 01:51:19,493 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-22 01:51:19,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2022-11-22 01:51:19,591 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@7da97c9d at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1296) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:387) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 01:51:19,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512858362] [2022-11-22 01:51:19,593 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:51:19,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:51:19,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:51:19,630 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:51:19,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-22 01:51:19,720 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@7da97c9d at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1296) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:387) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 01:51:19,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:51:19,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2022-11-22 01:51:19,721 ERROR L170 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2022-11-22 01:51:19,721 INFO L359 BasicCegarLoop]: Counterexample might be feasible [2022-11-22 01:51:19,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:51:19,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-22 01:51:19,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2022-11-22 01:51:20,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-22 01:51:20,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b9d7ddb-2d8d-4215-9744-c5f404bb2089/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:51:20,334 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1] [2022-11-22 01:51:20,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:51:20,365 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:51:20,365 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:51:20,366 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:51:20,366 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:51:20,366 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:51:20,366 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-22 01:51:20,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:51:20 BoogieIcfgContainer [2022-11-22 01:51:20,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:51:20,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:51:20,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:51:20,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:51:20,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:42:12" (3/4) ... [2022-11-22 01:51:20,400 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:51:20,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:51:20,401 INFO L158 Benchmark]: Toolchain (without parser) took 549554.74ms. Allocated memory was 69.2MB in the beginning and 220.2MB in the end (delta: 151.0MB). Free memory was 40.1MB in the beginning and 178.3MB in the end (delta: -138.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-22 01:51:20,401 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:51:20,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.06ms. Allocated memory is still 69.2MB. Free memory was 39.9MB in the beginning and 45.3MB in the end (delta: -5.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-22 01:51:20,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.64ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 42.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:51:20,402 INFO L158 Benchmark]: Boogie Preprocessor took 35.36ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:51:20,403 INFO L158 Benchmark]: RCFGBuilder took 790.88ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 40.1MB in the beginning and 49.9MB in the end (delta: -9.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-22 01:51:20,403 INFO L158 Benchmark]: TraceAbstraction took 548106.62ms. Allocated memory was 86.0MB in the beginning and 220.2MB in the end (delta: 134.2MB). Free memory was 49.5MB in the beginning and 178.3MB in the end (delta: -128.7MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2022-11-22 01:51:20,403 INFO L158 Benchmark]: Witness Printer took 6.16ms. Allocated memory is still 220.2MB. Free memory is still 178.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:51:20,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.06ms. Allocated memory is still 69.2MB. Free memory was 39.9MB in the beginning and 45.3MB in the end (delta: -5.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.64ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 42.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.36ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 790.88ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 40.1MB in the beginning and 49.9MB in the end (delta: -9.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 548106.62ms. Allocated memory was 86.0MB in the beginning and 220.2MB in the end (delta: 134.2MB). Free memory was 49.5MB in the beginning and 178.3MB in the end (delta: -128.7MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. * Witness Printer took 6.16ms. Allocated memory is still 220.2MB. Free memory is still 178.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 3); [L29] const SORT_23 msb_SORT_23 = (SORT_23)1 << (3 - 1); [L31] const SORT_1 var_3 = 0; [L32] const SORT_1 var_9 = 1; [L34] SORT_1 input_2; [L36] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L37] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L38] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L39] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] SORT_23 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_23; [L43] SORT_23 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_23; [L44] SORT_23 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_23; [L46] SORT_1 init_5_arg_1 = var_3; [L47] state_4 = init_5_arg_1 [L48] SORT_1 init_14_arg_1 = var_9; [L49] state_13 = init_14_arg_1 [L50] SORT_1 init_16_arg_1 = var_3; [L51] state_15 = init_16_arg_1 [L52] SORT_1 init_18_arg_1 = var_3; [L53] state_17 = init_18_arg_1 [L54] SORT_1 init_20_arg_1 = var_3; [L55] state_19 = init_20_arg_1 [L56] SORT_1 init_22_arg_1 = var_9; [L57] state_21 = init_22_arg_1 [L60] input_2 = __VERIFIER_nondet_uchar() [L63] SORT_1 var_6_arg_0 = state_4; [L64] SORT_1 var_6 = ~var_6_arg_0; [L65] SORT_1 var_10_arg_0 = var_6; [L66] SORT_1 var_10 = ~var_10_arg_0; [L67] SORT_1 var_11_arg_0 = var_9; [L68] SORT_1 var_11_arg_1 = var_10; [L69] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L70] var_11 = var_11 & mask_SORT_1 [L71] SORT_1 bad_12_arg_0 = var_11; [L72] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_12_arg_0)) [L74] SORT_23 var_28_arg_0 = state_24; [L75] SORT_23 var_28_arg_1 = state_26; [L76] SORT_1 var_28 = var_28_arg_0 < var_28_arg_1; [L77] SORT_1 var_29_arg_0 = var_28; [L78] SORT_1 var_29 = ~var_29_arg_0; [L79] SORT_1 var_30_arg_0 = state_17; [L80] SORT_1 var_30_arg_1 = var_29; [L81] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L82] SORT_1 var_31_arg_0 = state_4; [L83] SORT_1 var_31_arg_1 = var_30; [L84] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L85] SORT_1 var_32_arg_0 = state_21; [L86] SORT_1 var_32_arg_1 = var_31; [L87] SORT_1 var_32_arg_2 = state_4; [L88] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L89] SORT_1 next_33_arg_1 = var_32; [L90] SORT_1 var_34_arg_0 = state_21; [L91] SORT_1 var_34_arg_1 = var_3; [L92] SORT_1 var_34_arg_2 = state_13; [L93] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L94] SORT_1 next_35_arg_1 = var_34; [L95] SORT_23 var_36_arg_0 = state_24; [L96] SORT_23 var_36_arg_1 = state_25; [L97] SORT_1 var_36 = var_36_arg_0 < var_36_arg_1; [L98] SORT_1 var_37_arg_0 = state_13; [L99] SORT_1 var_37_arg_1 = var_36; [L100] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L101] SORT_1 var_38_arg_0 = state_21; [L102] SORT_1 var_38_arg_1 = var_37; [L103] SORT_1 var_38_arg_2 = state_15; [L104] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L105] SORT_1 next_39_arg_1 = var_38; [L106] SORT_23 var_40_arg_0 = state_25; [L107] SORT_23 var_40_arg_1 = state_26; [L108] SORT_1 var_40 = var_40_arg_0 < var_40_arg_1; [L109] SORT_1 var_41_arg_0 = state_15; [L110] SORT_1 var_41_arg_1 = var_40; [L111] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L112] SORT_1 var_42_arg_0 = state_21; [L113] SORT_1 var_42_arg_1 = var_41; [L114] SORT_1 var_42_arg_2 = state_17; [L115] SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L116] SORT_1 next_43_arg_1 = var_42; [L117] SORT_23 var_44_arg_0 = state_24; [L118] SORT_23 var_44_arg_1 = state_25; [L119] SORT_1 var_44 = var_44_arg_0 < var_44_arg_1; [L120] SORT_1 var_45_arg_0 = var_44; [L121] SORT_1 var_45 = ~var_45_arg_0; [L122] SORT_1 var_46_arg_0 = state_13; [L123] SORT_1 var_46_arg_1 = var_45; [L124] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L125] SORT_1 var_47_arg_0 = state_19; [L126] SORT_1 var_47_arg_1 = var_46; [L127] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L128] SORT_23 var_48_arg_0 = state_25; [L129] SORT_23 var_48_arg_1 = state_26; [L130] SORT_1 var_48 = var_48_arg_0 < var_48_arg_1; [L131] SORT_1 var_49_arg_0 = var_48; [L132] SORT_1 var_49 = ~var_49_arg_0; [L133] SORT_1 var_50_arg_0 = state_15; [L134] SORT_1 var_50_arg_1 = var_49; [L135] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L136] SORT_1 var_51_arg_0 = var_47; [L137] SORT_1 var_51_arg_1 = var_50; [L138] SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; [L139] SORT_23 var_52_arg_0 = state_24; [L140] SORT_23 var_52_arg_1 = state_26; [L141] SORT_1 var_52 = var_52_arg_0 < var_52_arg_1; [L142] SORT_1 var_53_arg_0 = state_17; [L143] SORT_1 var_53_arg_1 = var_52; [L144] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L145] SORT_1 var_54_arg_0 = var_51; [L146] SORT_1 var_54_arg_1 = var_53; [L147] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L148] SORT_1 var_55_arg_0 = state_21; [L149] SORT_1 var_55_arg_1 = var_54; [L150] SORT_1 var_55_arg_2 = state_19; [L151] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L152] SORT_1 next_56_arg_1 = var_55; [L153] SORT_1 var_57_arg_0 = state_15; [L154] SORT_1 var_57 = ~var_57_arg_0; [L155] SORT_1 var_58_arg_0 = state_13; [L156] SORT_1 var_58_arg_1 = var_57; [L157] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L158] SORT_1 var_59_arg_0 = state_17; [L159] SORT_1 var_59 = ~var_59_arg_0; [L160] SORT_1 var_60_arg_0 = var_58; [L161] SORT_1 var_60_arg_1 = var_59; [L162] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L163] SORT_1 var_61_arg_0 = state_4; [L164] SORT_1 var_61 = ~var_61_arg_0; [L165] SORT_1 var_62_arg_0 = var_60; [L166] SORT_1 var_62_arg_1 = var_61; [L167] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L168] SORT_1 var_63_arg_0 = state_19; [L169] SORT_1 var_63 = ~var_63_arg_0; [L170] SORT_1 var_64_arg_0 = var_62; [L171] SORT_1 var_64_arg_1 = var_63; [L172] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L173] SORT_1 var_65_arg_0 = state_13; [L174] SORT_1 var_65 = ~var_65_arg_0; [L175] SORT_1 var_66_arg_0 = var_65; [L176] SORT_1 var_66_arg_1 = state_15; [L177] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L178] SORT_1 var_67_arg_0 = state_17; [L179] SORT_1 var_67 = ~var_67_arg_0; [L180] SORT_1 var_68_arg_0 = var_66; [L181] SORT_1 var_68_arg_1 = var_67; [L182] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L183] SORT_1 var_69_arg_0 = state_4; [L184] SORT_1 var_69 = ~var_69_arg_0; [L185] SORT_1 var_70_arg_0 = var_68; [L186] SORT_1 var_70_arg_1 = var_69; [L187] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L188] SORT_1 var_71_arg_0 = state_19; [L189] SORT_1 var_71 = ~var_71_arg_0; [L190] SORT_1 var_72_arg_0 = var_70; [L191] SORT_1 var_72_arg_1 = var_71; [L192] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L193] SORT_1 var_73_arg_0 = var_64; [L194] SORT_1 var_73_arg_1 = var_72; [L195] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L196] SORT_1 var_74_arg_0 = state_13; [L197] SORT_1 var_74 = ~var_74_arg_0; [L198] SORT_1 var_75_arg_0 = state_15; [L199] SORT_1 var_75 = ~var_75_arg_0; [L200] SORT_1 var_76_arg_0 = var_74; [L201] SORT_1 var_76_arg_1 = var_75; [L202] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L203] SORT_1 var_77_arg_0 = var_76; [L204] SORT_1 var_77_arg_1 = state_17; [L205] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L206] SORT_1 var_78_arg_0 = state_4; [L207] SORT_1 var_78 = ~var_78_arg_0; [L208] SORT_1 var_79_arg_0 = var_77; [L209] SORT_1 var_79_arg_1 = var_78; [L210] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L211] SORT_1 var_80_arg_0 = state_19; [L212] SORT_1 var_80 = ~var_80_arg_0; [L213] SORT_1 var_81_arg_0 = var_79; [L214] SORT_1 var_81_arg_1 = var_80; [L215] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L216] SORT_1 var_82_arg_0 = var_73; [L217] SORT_1 var_82_arg_1 = var_81; [L218] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L219] SORT_1 var_83_arg_0 = state_13; [L220] SORT_1 var_83 = ~var_83_arg_0; [L221] SORT_1 var_84_arg_0 = state_15; [L222] SORT_1 var_84 = ~var_84_arg_0; [L223] SORT_1 var_85_arg_0 = var_83; [L224] SORT_1 var_85_arg_1 = var_84; [L225] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L226] SORT_1 var_86_arg_0 = state_17; [L227] SORT_1 var_86 = ~var_86_arg_0; [L228] SORT_1 var_87_arg_0 = var_85; [L229] SORT_1 var_87_arg_1 = var_86; [L230] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L231] SORT_1 var_88_arg_0 = var_87; [L232] SORT_1 var_88_arg_1 = state_4; [L233] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L234] SORT_1 var_89_arg_0 = state_19; [L235] SORT_1 var_89 = ~var_89_arg_0; [L236] SORT_1 var_90_arg_0 = var_88; [L237] SORT_1 var_90_arg_1 = var_89; [L238] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L239] SORT_1 var_91_arg_0 = var_82; [L240] SORT_1 var_91_arg_1 = var_90; [L241] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L242] SORT_1 var_92_arg_0 = state_13; [L243] SORT_1 var_92 = ~var_92_arg_0; [L244] SORT_1 var_93_arg_0 = state_15; [L245] SORT_1 var_93 = ~var_93_arg_0; [L246] SORT_1 var_94_arg_0 = var_92; [L247] SORT_1 var_94_arg_1 = var_93; [L248] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L249] SORT_1 var_95_arg_0 = state_17; [L250] SORT_1 var_95 = ~var_95_arg_0; [L251] SORT_1 var_96_arg_0 = var_94; [L252] SORT_1 var_96_arg_1 = var_95; [L253] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L254] SORT_1 var_97_arg_0 = state_4; [L255] SORT_1 var_97 = ~var_97_arg_0; [L256] SORT_1 var_98_arg_0 = var_96; [L257] SORT_1 var_98_arg_1 = var_97; [L258] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L259] SORT_1 var_99_arg_0 = var_98; [L260] SORT_1 var_99_arg_1 = state_19; [L261] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L262] SORT_1 var_100_arg_0 = var_91; [L263] SORT_1 var_100_arg_1 = var_99; [L264] SORT_1 var_100 = var_100_arg_0 | var_100_arg_1; [L265] var_100 = var_100 & mask_SORT_1 [L266] SORT_1 next_101_arg_1 = var_100; [L267] SORT_23 next_102_arg_1 = state_24; [L268] SORT_23 next_103_arg_1 = state_25; [L269] SORT_23 next_104_arg_1 = state_26; [L271] state_4 = next_33_arg_1 [L272] state_13 = next_35_arg_1 [L273] state_15 = next_39_arg_1 [L274] state_17 = next_43_arg_1 [L275] state_19 = next_56_arg_1 [L276] state_21 = next_101_arg_1 [L277] state_24 = next_102_arg_1 [L278] state_25 = next_103_arg_1 [L279] state_26 = next_104_arg_1 [L60] input_2 = __VERIFIER_nondet_uchar() [L63] SORT_1 var_6_arg_0 = state_4; [L64] SORT_1 var_6 = ~var_6_arg_0; [L65] SORT_1 var_10_arg_0 = var_6; [L66] SORT_1 var_10 = ~var_10_arg_0; [L67] SORT_1 var_11_arg_0 = var_9; [L68] SORT_1 var_11_arg_1 = var_10; [L69] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L70] var_11 = var_11 & mask_SORT_1 [L71] SORT_1 bad_12_arg_0 = var_11; [L72] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_12_arg_0)) [L74] SORT_23 var_28_arg_0 = state_24; [L75] SORT_23 var_28_arg_1 = state_26; [L76] SORT_1 var_28 = var_28_arg_0 < var_28_arg_1; [L77] SORT_1 var_29_arg_0 = var_28; [L78] SORT_1 var_29 = ~var_29_arg_0; [L79] SORT_1 var_30_arg_0 = state_17; [L80] SORT_1 var_30_arg_1 = var_29; [L81] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L82] SORT_1 var_31_arg_0 = state_4; [L83] SORT_1 var_31_arg_1 = var_30; [L84] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L85] SORT_1 var_32_arg_0 = state_21; [L86] SORT_1 var_32_arg_1 = var_31; [L87] SORT_1 var_32_arg_2 = state_4; [L88] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L89] SORT_1 next_33_arg_1 = var_32; [L90] SORT_1 var_34_arg_0 = state_21; [L91] SORT_1 var_34_arg_1 = var_3; [L92] SORT_1 var_34_arg_2 = state_13; [L93] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L94] SORT_1 next_35_arg_1 = var_34; [L95] SORT_23 var_36_arg_0 = state_24; [L96] SORT_23 var_36_arg_1 = state_25; [L97] SORT_1 var_36 = var_36_arg_0 < var_36_arg_1; [L98] SORT_1 var_37_arg_0 = state_13; [L99] SORT_1 var_37_arg_1 = var_36; [L100] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L101] SORT_1 var_38_arg_0 = state_21; [L102] SORT_1 var_38_arg_1 = var_37; [L103] SORT_1 var_38_arg_2 = state_15; [L104] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L105] SORT_1 next_39_arg_1 = var_38; [L106] SORT_23 var_40_arg_0 = state_25; [L107] SORT_23 var_40_arg_1 = state_26; [L108] SORT_1 var_40 = var_40_arg_0 < var_40_arg_1; [L109] SORT_1 var_41_arg_0 = state_15; [L110] SORT_1 var_41_arg_1 = var_40; [L111] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L112] SORT_1 var_42_arg_0 = state_21; [L113] SORT_1 var_42_arg_1 = var_41; [L114] SORT_1 var_42_arg_2 = state_17; [L115] SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L116] SORT_1 next_43_arg_1 = var_42; [L117] SORT_23 var_44_arg_0 = state_24; [L118] SORT_23 var_44_arg_1 = state_25; [L119] SORT_1 var_44 = var_44_arg_0 < var_44_arg_1; [L120] SORT_1 var_45_arg_0 = var_44; [L121] SORT_1 var_45 = ~var_45_arg_0; [L122] SORT_1 var_46_arg_0 = state_13; [L123] SORT_1 var_46_arg_1 = var_45; [L124] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L125] SORT_1 var_47_arg_0 = state_19; [L126] SORT_1 var_47_arg_1 = var_46; [L127] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L128] SORT_23 var_48_arg_0 = state_25; [L129] SORT_23 var_48_arg_1 = state_26; [L130] SORT_1 var_48 = var_48_arg_0 < var_48_arg_1; [L131] SORT_1 var_49_arg_0 = var_48; [L132] SORT_1 var_49 = ~var_49_arg_0; [L133] SORT_1 var_50_arg_0 = state_15; [L134] SORT_1 var_50_arg_1 = var_49; [L135] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L136] SORT_1 var_51_arg_0 = var_47; [L137] SORT_1 var_51_arg_1 = var_50; [L138] SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; [L139] SORT_23 var_52_arg_0 = state_24; [L140] SORT_23 var_52_arg_1 = state_26; [L141] SORT_1 var_52 = var_52_arg_0 < var_52_arg_1; [L142] SORT_1 var_53_arg_0 = state_17; [L143] SORT_1 var_53_arg_1 = var_52; [L144] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L145] SORT_1 var_54_arg_0 = var_51; [L146] SORT_1 var_54_arg_1 = var_53; [L147] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L148] SORT_1 var_55_arg_0 = state_21; [L149] SORT_1 var_55_arg_1 = var_54; [L150] SORT_1 var_55_arg_2 = state_19; [L151] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L152] SORT_1 next_56_arg_1 = var_55; [L153] SORT_1 var_57_arg_0 = state_15; [L154] SORT_1 var_57 = ~var_57_arg_0; [L155] SORT_1 var_58_arg_0 = state_13; [L156] SORT_1 var_58_arg_1 = var_57; [L157] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L158] SORT_1 var_59_arg_0 = state_17; [L159] SORT_1 var_59 = ~var_59_arg_0; [L160] SORT_1 var_60_arg_0 = var_58; [L161] SORT_1 var_60_arg_1 = var_59; [L162] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L163] SORT_1 var_61_arg_0 = state_4; [L164] SORT_1 var_61 = ~var_61_arg_0; [L165] SORT_1 var_62_arg_0 = var_60; [L166] SORT_1 var_62_arg_1 = var_61; [L167] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L168] SORT_1 var_63_arg_0 = state_19; [L169] SORT_1 var_63 = ~var_63_arg_0; [L170] SORT_1 var_64_arg_0 = var_62; [L171] SORT_1 var_64_arg_1 = var_63; [L172] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L173] SORT_1 var_65_arg_0 = state_13; [L174] SORT_1 var_65 = ~var_65_arg_0; [L175] SORT_1 var_66_arg_0 = var_65; [L176] SORT_1 var_66_arg_1 = state_15; [L177] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L178] SORT_1 var_67_arg_0 = state_17; [L179] SORT_1 var_67 = ~var_67_arg_0; [L180] SORT_1 var_68_arg_0 = var_66; [L181] SORT_1 var_68_arg_1 = var_67; [L182] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L183] SORT_1 var_69_arg_0 = state_4; [L184] SORT_1 var_69 = ~var_69_arg_0; [L185] SORT_1 var_70_arg_0 = var_68; [L186] SORT_1 var_70_arg_1 = var_69; [L187] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L188] SORT_1 var_71_arg_0 = state_19; [L189] SORT_1 var_71 = ~var_71_arg_0; [L190] SORT_1 var_72_arg_0 = var_70; [L191] SORT_1 var_72_arg_1 = var_71; [L192] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L193] SORT_1 var_73_arg_0 = var_64; [L194] SORT_1 var_73_arg_1 = var_72; [L195] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L196] SORT_1 var_74_arg_0 = state_13; [L197] SORT_1 var_74 = ~var_74_arg_0; [L198] SORT_1 var_75_arg_0 = state_15; [L199] SORT_1 var_75 = ~var_75_arg_0; [L200] SORT_1 var_76_arg_0 = var_74; [L201] SORT_1 var_76_arg_1 = var_75; [L202] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L203] SORT_1 var_77_arg_0 = var_76; [L204] SORT_1 var_77_arg_1 = state_17; [L205] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L206] SORT_1 var_78_arg_0 = state_4; [L207] SORT_1 var_78 = ~var_78_arg_0; [L208] SORT_1 var_79_arg_0 = var_77; [L209] SORT_1 var_79_arg_1 = var_78; [L210] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L211] SORT_1 var_80_arg_0 = state_19; [L212] SORT_1 var_80 = ~var_80_arg_0; [L213] SORT_1 var_81_arg_0 = var_79; [L214] SORT_1 var_81_arg_1 = var_80; [L215] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L216] SORT_1 var_82_arg_0 = var_73; [L217] SORT_1 var_82_arg_1 = var_81; [L218] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L219] SORT_1 var_83_arg_0 = state_13; [L220] SORT_1 var_83 = ~var_83_arg_0; [L221] SORT_1 var_84_arg_0 = state_15; [L222] SORT_1 var_84 = ~var_84_arg_0; [L223] SORT_1 var_85_arg_0 = var_83; [L224] SORT_1 var_85_arg_1 = var_84; [L225] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L226] SORT_1 var_86_arg_0 = state_17; [L227] SORT_1 var_86 = ~var_86_arg_0; [L228] SORT_1 var_87_arg_0 = var_85; [L229] SORT_1 var_87_arg_1 = var_86; [L230] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L231] SORT_1 var_88_arg_0 = var_87; [L232] SORT_1 var_88_arg_1 = state_4; [L233] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L234] SORT_1 var_89_arg_0 = state_19; [L235] SORT_1 var_89 = ~var_89_arg_0; [L236] SORT_1 var_90_arg_0 = var_88; [L237] SORT_1 var_90_arg_1 = var_89; [L238] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L239] SORT_1 var_91_arg_0 = var_82; [L240] SORT_1 var_91_arg_1 = var_90; [L241] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L242] SORT_1 var_92_arg_0 = state_13; [L243] SORT_1 var_92 = ~var_92_arg_0; [L244] SORT_1 var_93_arg_0 = state_15; [L245] SORT_1 var_93 = ~var_93_arg_0; [L246] SORT_1 var_94_arg_0 = var_92; [L247] SORT_1 var_94_arg_1 = var_93; [L248] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L249] SORT_1 var_95_arg_0 = state_17; [L250] SORT_1 var_95 = ~var_95_arg_0; [L251] SORT_1 var_96_arg_0 = var_94; [L252] SORT_1 var_96_arg_1 = var_95; [L253] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L254] SORT_1 var_97_arg_0 = state_4; [L255] SORT_1 var_97 = ~var_97_arg_0; [L256] SORT_1 var_98_arg_0 = var_96; [L257] SORT_1 var_98_arg_1 = var_97; [L258] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L259] SORT_1 var_99_arg_0 = var_98; [L260] SORT_1 var_99_arg_1 = state_19; [L261] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L262] SORT_1 var_100_arg_0 = var_91; [L263] SORT_1 var_100_arg_1 = var_99; [L264] SORT_1 var_100 = var_100_arg_0 | var_100_arg_1; [L265] var_100 = var_100 & mask_SORT_1 [L266] SORT_1 next_101_arg_1 = var_100; [L267] SORT_23 next_102_arg_1 = state_24; [L268] SORT_23 next_103_arg_1 = state_25; [L269] SORT_23 next_104_arg_1 = state_26; [L271] state_4 = next_33_arg_1 [L272] state_13 = next_35_arg_1 [L273] state_15 = next_39_arg_1 [L274] state_17 = next_43_arg_1 [L275] state_19 = next_56_arg_1 [L276] state_21 = next_101_arg_1 [L277] state_24 = next_102_arg_1 [L278] state_25 = next_103_arg_1 [L279] state_26 = next_104_arg_1 [L60] input_2 = __VERIFIER_nondet_uchar() [L63] SORT_1 var_6_arg_0 = state_4; [L64] SORT_1 var_6 = ~var_6_arg_0; [L65] SORT_1 var_10_arg_0 = var_6; [L66] SORT_1 var_10 = ~var_10_arg_0; [L67] SORT_1 var_11_arg_0 = var_9; [L68] SORT_1 var_11_arg_1 = var_10; [L69] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L70] var_11 = var_11 & mask_SORT_1 [L71] SORT_1 bad_12_arg_0 = var_11; [L72] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_12_arg_0)) [L74] SORT_23 var_28_arg_0 = state_24; [L75] SORT_23 var_28_arg_1 = state_26; [L76] SORT_1 var_28 = var_28_arg_0 < var_28_arg_1; [L77] SORT_1 var_29_arg_0 = var_28; [L78] SORT_1 var_29 = ~var_29_arg_0; [L79] SORT_1 var_30_arg_0 = state_17; [L80] SORT_1 var_30_arg_1 = var_29; [L81] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L82] SORT_1 var_31_arg_0 = state_4; [L83] SORT_1 var_31_arg_1 = var_30; [L84] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L85] SORT_1 var_32_arg_0 = state_21; [L86] SORT_1 var_32_arg_1 = var_31; [L87] SORT_1 var_32_arg_2 = state_4; [L88] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L89] SORT_1 next_33_arg_1 = var_32; [L90] SORT_1 var_34_arg_0 = state_21; [L91] SORT_1 var_34_arg_1 = var_3; [L92] SORT_1 var_34_arg_2 = state_13; [L93] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L94] SORT_1 next_35_arg_1 = var_34; [L95] SORT_23 var_36_arg_0 = state_24; [L96] SORT_23 var_36_arg_1 = state_25; [L97] SORT_1 var_36 = var_36_arg_0 < var_36_arg_1; [L98] SORT_1 var_37_arg_0 = state_13; [L99] SORT_1 var_37_arg_1 = var_36; [L100] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L101] SORT_1 var_38_arg_0 = state_21; [L102] SORT_1 var_38_arg_1 = var_37; [L103] SORT_1 var_38_arg_2 = state_15; [L104] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L105] SORT_1 next_39_arg_1 = var_38; [L106] SORT_23 var_40_arg_0 = state_25; [L107] SORT_23 var_40_arg_1 = state_26; [L108] SORT_1 var_40 = var_40_arg_0 < var_40_arg_1; [L109] SORT_1 var_41_arg_0 = state_15; [L110] SORT_1 var_41_arg_1 = var_40; [L111] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L112] SORT_1 var_42_arg_0 = state_21; [L113] SORT_1 var_42_arg_1 = var_41; [L114] SORT_1 var_42_arg_2 = state_17; [L115] SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L116] SORT_1 next_43_arg_1 = var_42; [L117] SORT_23 var_44_arg_0 = state_24; [L118] SORT_23 var_44_arg_1 = state_25; [L119] SORT_1 var_44 = var_44_arg_0 < var_44_arg_1; [L120] SORT_1 var_45_arg_0 = var_44; [L121] SORT_1 var_45 = ~var_45_arg_0; [L122] SORT_1 var_46_arg_0 = state_13; [L123] SORT_1 var_46_arg_1 = var_45; [L124] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L125] SORT_1 var_47_arg_0 = state_19; [L126] SORT_1 var_47_arg_1 = var_46; [L127] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L128] SORT_23 var_48_arg_0 = state_25; [L129] SORT_23 var_48_arg_1 = state_26; [L130] SORT_1 var_48 = var_48_arg_0 < var_48_arg_1; [L131] SORT_1 var_49_arg_0 = var_48; [L132] SORT_1 var_49 = ~var_49_arg_0; [L133] SORT_1 var_50_arg_0 = state_15; [L134] SORT_1 var_50_arg_1 = var_49; [L135] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L136] SORT_1 var_51_arg_0 = var_47; [L137] SORT_1 var_51_arg_1 = var_50; [L138] SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; [L139] SORT_23 var_52_arg_0 = state_24; [L140] SORT_23 var_52_arg_1 = state_26; [L141] SORT_1 var_52 = var_52_arg_0 < var_52_arg_1; [L142] SORT_1 var_53_arg_0 = state_17; [L143] SORT_1 var_53_arg_1 = var_52; [L144] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L145] SORT_1 var_54_arg_0 = var_51; [L146] SORT_1 var_54_arg_1 = var_53; [L147] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L148] SORT_1 var_55_arg_0 = state_21; [L149] SORT_1 var_55_arg_1 = var_54; [L150] SORT_1 var_55_arg_2 = state_19; [L151] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L152] SORT_1 next_56_arg_1 = var_55; [L153] SORT_1 var_57_arg_0 = state_15; [L154] SORT_1 var_57 = ~var_57_arg_0; [L155] SORT_1 var_58_arg_0 = state_13; [L156] SORT_1 var_58_arg_1 = var_57; [L157] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L158] SORT_1 var_59_arg_0 = state_17; [L159] SORT_1 var_59 = ~var_59_arg_0; [L160] SORT_1 var_60_arg_0 = var_58; [L161] SORT_1 var_60_arg_1 = var_59; [L162] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L163] SORT_1 var_61_arg_0 = state_4; [L164] SORT_1 var_61 = ~var_61_arg_0; [L165] SORT_1 var_62_arg_0 = var_60; [L166] SORT_1 var_62_arg_1 = var_61; [L167] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L168] SORT_1 var_63_arg_0 = state_19; [L169] SORT_1 var_63 = ~var_63_arg_0; [L170] SORT_1 var_64_arg_0 = var_62; [L171] SORT_1 var_64_arg_1 = var_63; [L172] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L173] SORT_1 var_65_arg_0 = state_13; [L174] SORT_1 var_65 = ~var_65_arg_0; [L175] SORT_1 var_66_arg_0 = var_65; [L176] SORT_1 var_66_arg_1 = state_15; [L177] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L178] SORT_1 var_67_arg_0 = state_17; [L179] SORT_1 var_67 = ~var_67_arg_0; [L180] SORT_1 var_68_arg_0 = var_66; [L181] SORT_1 var_68_arg_1 = var_67; [L182] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L183] SORT_1 var_69_arg_0 = state_4; [L184] SORT_1 var_69 = ~var_69_arg_0; [L185] SORT_1 var_70_arg_0 = var_68; [L186] SORT_1 var_70_arg_1 = var_69; [L187] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L188] SORT_1 var_71_arg_0 = state_19; [L189] SORT_1 var_71 = ~var_71_arg_0; [L190] SORT_1 var_72_arg_0 = var_70; [L191] SORT_1 var_72_arg_1 = var_71; [L192] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L193] SORT_1 var_73_arg_0 = var_64; [L194] SORT_1 var_73_arg_1 = var_72; [L195] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L196] SORT_1 var_74_arg_0 = state_13; [L197] SORT_1 var_74 = ~var_74_arg_0; [L198] SORT_1 var_75_arg_0 = state_15; [L199] SORT_1 var_75 = ~var_75_arg_0; [L200] SORT_1 var_76_arg_0 = var_74; [L201] SORT_1 var_76_arg_1 = var_75; [L202] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L203] SORT_1 var_77_arg_0 = var_76; [L204] SORT_1 var_77_arg_1 = state_17; [L205] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L206] SORT_1 var_78_arg_0 = state_4; [L207] SORT_1 var_78 = ~var_78_arg_0; [L208] SORT_1 var_79_arg_0 = var_77; [L209] SORT_1 var_79_arg_1 = var_78; [L210] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L211] SORT_1 var_80_arg_0 = state_19; [L212] SORT_1 var_80 = ~var_80_arg_0; [L213] SORT_1 var_81_arg_0 = var_79; [L214] SORT_1 var_81_arg_1 = var_80; [L215] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L216] SORT_1 var_82_arg_0 = var_73; [L217] SORT_1 var_82_arg_1 = var_81; [L218] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L219] SORT_1 var_83_arg_0 = state_13; [L220] SORT_1 var_83 = ~var_83_arg_0; [L221] SORT_1 var_84_arg_0 = state_15; [L222] SORT_1 var_84 = ~var_84_arg_0; [L223] SORT_1 var_85_arg_0 = var_83; [L224] SORT_1 var_85_arg_1 = var_84; [L225] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L226] SORT_1 var_86_arg_0 = state_17; [L227] SORT_1 var_86 = ~var_86_arg_0; [L228] SORT_1 var_87_arg_0 = var_85; [L229] SORT_1 var_87_arg_1 = var_86; [L230] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L231] SORT_1 var_88_arg_0 = var_87; [L232] SORT_1 var_88_arg_1 = state_4; [L233] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L234] SORT_1 var_89_arg_0 = state_19; [L235] SORT_1 var_89 = ~var_89_arg_0; [L236] SORT_1 var_90_arg_0 = var_88; [L237] SORT_1 var_90_arg_1 = var_89; [L238] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L239] SORT_1 var_91_arg_0 = var_82; [L240] SORT_1 var_91_arg_1 = var_90; [L241] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L242] SORT_1 var_92_arg_0 = state_13; [L243] SORT_1 var_92 = ~var_92_arg_0; [L244] SORT_1 var_93_arg_0 = state_15; [L245] SORT_1 var_93 = ~var_93_arg_0; [L246] SORT_1 var_94_arg_0 = var_92; [L247] SORT_1 var_94_arg_1 = var_93; [L248] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L249] SORT_1 var_95_arg_0 = state_17; [L250] SORT_1 var_95 = ~var_95_arg_0; [L251] SORT_1 var_96_arg_0 = var_94; [L252] SORT_1 var_96_arg_1 = var_95; [L253] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L254] SORT_1 var_97_arg_0 = state_4; [L255] SORT_1 var_97 = ~var_97_arg_0; [L256] SORT_1 var_98_arg_0 = var_96; [L257] SORT_1 var_98_arg_1 = var_97; [L258] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L259] SORT_1 var_99_arg_0 = var_98; [L260] SORT_1 var_99_arg_1 = state_19; [L261] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L262] SORT_1 var_100_arg_0 = var_91; [L263] SORT_1 var_100_arg_1 = var_99; [L264] SORT_1 var_100 = var_100_arg_0 | var_100_arg_1; [L265] var_100 = var_100 & mask_SORT_1 [L266] SORT_1 next_101_arg_1 = var_100; [L267] SORT_23 next_102_arg_1 = state_24; [L268] SORT_23 next_103_arg_1 = state_25; [L269] SORT_23 next_104_arg_1 = state_26; [L271] state_4 = next_33_arg_1 [L272] state_13 = next_35_arg_1 [L273] state_15 = next_39_arg_1 [L274] state_17 = next_43_arg_1 [L275] state_19 = next_56_arg_1 [L276] state_21 = next_101_arg_1 [L277] state_24 = next_102_arg_1 [L278] state_25 = next_103_arg_1 [L279] state_26 = next_104_arg_1 [L60] input_2 = __VERIFIER_nondet_uchar() [L63] SORT_1 var_6_arg_0 = state_4; [L64] SORT_1 var_6 = ~var_6_arg_0; [L65] SORT_1 var_10_arg_0 = var_6; [L66] SORT_1 var_10 = ~var_10_arg_0; [L67] SORT_1 var_11_arg_0 = var_9; [L68] SORT_1 var_11_arg_1 = var_10; [L69] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L70] var_11 = var_11 & mask_SORT_1 [L71] SORT_1 bad_12_arg_0 = var_11; [L72] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_12_arg_0)) [L74] SORT_23 var_28_arg_0 = state_24; [L75] SORT_23 var_28_arg_1 = state_26; [L76] SORT_1 var_28 = var_28_arg_0 < var_28_arg_1; [L77] SORT_1 var_29_arg_0 = var_28; [L78] SORT_1 var_29 = ~var_29_arg_0; [L79] SORT_1 var_30_arg_0 = state_17; [L80] SORT_1 var_30_arg_1 = var_29; [L81] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L82] SORT_1 var_31_arg_0 = state_4; [L83] SORT_1 var_31_arg_1 = var_30; [L84] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L85] SORT_1 var_32_arg_0 = state_21; [L86] SORT_1 var_32_arg_1 = var_31; [L87] SORT_1 var_32_arg_2 = state_4; [L88] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L89] SORT_1 next_33_arg_1 = var_32; [L90] SORT_1 var_34_arg_0 = state_21; [L91] SORT_1 var_34_arg_1 = var_3; [L92] SORT_1 var_34_arg_2 = state_13; [L93] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L94] SORT_1 next_35_arg_1 = var_34; [L95] SORT_23 var_36_arg_0 = state_24; [L96] SORT_23 var_36_arg_1 = state_25; [L97] SORT_1 var_36 = var_36_arg_0 < var_36_arg_1; [L98] SORT_1 var_37_arg_0 = state_13; [L99] SORT_1 var_37_arg_1 = var_36; [L100] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L101] SORT_1 var_38_arg_0 = state_21; [L102] SORT_1 var_38_arg_1 = var_37; [L103] SORT_1 var_38_arg_2 = state_15; [L104] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L105] SORT_1 next_39_arg_1 = var_38; [L106] SORT_23 var_40_arg_0 = state_25; [L107] SORT_23 var_40_arg_1 = state_26; [L108] SORT_1 var_40 = var_40_arg_0 < var_40_arg_1; [L109] SORT_1 var_41_arg_0 = state_15; [L110] SORT_1 var_41_arg_1 = var_40; [L111] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L112] SORT_1 var_42_arg_0 = state_21; [L113] SORT_1 var_42_arg_1 = var_41; [L114] SORT_1 var_42_arg_2 = state_17; [L115] SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L116] SORT_1 next_43_arg_1 = var_42; [L117] SORT_23 var_44_arg_0 = state_24; [L118] SORT_23 var_44_arg_1 = state_25; [L119] SORT_1 var_44 = var_44_arg_0 < var_44_arg_1; [L120] SORT_1 var_45_arg_0 = var_44; [L121] SORT_1 var_45 = ~var_45_arg_0; [L122] SORT_1 var_46_arg_0 = state_13; [L123] SORT_1 var_46_arg_1 = var_45; [L124] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L125] SORT_1 var_47_arg_0 = state_19; [L126] SORT_1 var_47_arg_1 = var_46; [L127] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L128] SORT_23 var_48_arg_0 = state_25; [L129] SORT_23 var_48_arg_1 = state_26; [L130] SORT_1 var_48 = var_48_arg_0 < var_48_arg_1; [L131] SORT_1 var_49_arg_0 = var_48; [L132] SORT_1 var_49 = ~var_49_arg_0; [L133] SORT_1 var_50_arg_0 = state_15; [L134] SORT_1 var_50_arg_1 = var_49; [L135] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L136] SORT_1 var_51_arg_0 = var_47; [L137] SORT_1 var_51_arg_1 = var_50; [L138] SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; [L139] SORT_23 var_52_arg_0 = state_24; [L140] SORT_23 var_52_arg_1 = state_26; [L141] SORT_1 var_52 = var_52_arg_0 < var_52_arg_1; [L142] SORT_1 var_53_arg_0 = state_17; [L143] SORT_1 var_53_arg_1 = var_52; [L144] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L145] SORT_1 var_54_arg_0 = var_51; [L146] SORT_1 var_54_arg_1 = var_53; [L147] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L148] SORT_1 var_55_arg_0 = state_21; [L149] SORT_1 var_55_arg_1 = var_54; [L150] SORT_1 var_55_arg_2 = state_19; [L151] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L152] SORT_1 next_56_arg_1 = var_55; [L153] SORT_1 var_57_arg_0 = state_15; [L154] SORT_1 var_57 = ~var_57_arg_0; [L155] SORT_1 var_58_arg_0 = state_13; [L156] SORT_1 var_58_arg_1 = var_57; [L157] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L158] SORT_1 var_59_arg_0 = state_17; [L159] SORT_1 var_59 = ~var_59_arg_0; [L160] SORT_1 var_60_arg_0 = var_58; [L161] SORT_1 var_60_arg_1 = var_59; [L162] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L163] SORT_1 var_61_arg_0 = state_4; [L164] SORT_1 var_61 = ~var_61_arg_0; [L165] SORT_1 var_62_arg_0 = var_60; [L166] SORT_1 var_62_arg_1 = var_61; [L167] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L168] SORT_1 var_63_arg_0 = state_19; [L169] SORT_1 var_63 = ~var_63_arg_0; [L170] SORT_1 var_64_arg_0 = var_62; [L171] SORT_1 var_64_arg_1 = var_63; [L172] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L173] SORT_1 var_65_arg_0 = state_13; [L174] SORT_1 var_65 = ~var_65_arg_0; [L175] SORT_1 var_66_arg_0 = var_65; [L176] SORT_1 var_66_arg_1 = state_15; [L177] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L178] SORT_1 var_67_arg_0 = state_17; [L179] SORT_1 var_67 = ~var_67_arg_0; [L180] SORT_1 var_68_arg_0 = var_66; [L181] SORT_1 var_68_arg_1 = var_67; [L182] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L183] SORT_1 var_69_arg_0 = state_4; [L184] SORT_1 var_69 = ~var_69_arg_0; [L185] SORT_1 var_70_arg_0 = var_68; [L186] SORT_1 var_70_arg_1 = var_69; [L187] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L188] SORT_1 var_71_arg_0 = state_19; [L189] SORT_1 var_71 = ~var_71_arg_0; [L190] SORT_1 var_72_arg_0 = var_70; [L191] SORT_1 var_72_arg_1 = var_71; [L192] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L193] SORT_1 var_73_arg_0 = var_64; [L194] SORT_1 var_73_arg_1 = var_72; [L195] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L196] SORT_1 var_74_arg_0 = state_13; [L197] SORT_1 var_74 = ~var_74_arg_0; [L198] SORT_1 var_75_arg_0 = state_15; [L199] SORT_1 var_75 = ~var_75_arg_0; [L200] SORT_1 var_76_arg_0 = var_74; [L201] SORT_1 var_76_arg_1 = var_75; [L202] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L203] SORT_1 var_77_arg_0 = var_76; [L204] SORT_1 var_77_arg_1 = state_17; [L205] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L206] SORT_1 var_78_arg_0 = state_4; [L207] SORT_1 var_78 = ~var_78_arg_0; [L208] SORT_1 var_79_arg_0 = var_77; [L209] SORT_1 var_79_arg_1 = var_78; [L210] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L211] SORT_1 var_80_arg_0 = state_19; [L212] SORT_1 var_80 = ~var_80_arg_0; [L213] SORT_1 var_81_arg_0 = var_79; [L214] SORT_1 var_81_arg_1 = var_80; [L215] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L216] SORT_1 var_82_arg_0 = var_73; [L217] SORT_1 var_82_arg_1 = var_81; [L218] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L219] SORT_1 var_83_arg_0 = state_13; [L220] SORT_1 var_83 = ~var_83_arg_0; [L221] SORT_1 var_84_arg_0 = state_15; [L222] SORT_1 var_84 = ~var_84_arg_0; [L223] SORT_1 var_85_arg_0 = var_83; [L224] SORT_1 var_85_arg_1 = var_84; [L225] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L226] SORT_1 var_86_arg_0 = state_17; [L227] SORT_1 var_86 = ~var_86_arg_0; [L228] SORT_1 var_87_arg_0 = var_85; [L229] SORT_1 var_87_arg_1 = var_86; [L230] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L231] SORT_1 var_88_arg_0 = var_87; [L232] SORT_1 var_88_arg_1 = state_4; [L233] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L234] SORT_1 var_89_arg_0 = state_19; [L235] SORT_1 var_89 = ~var_89_arg_0; [L236] SORT_1 var_90_arg_0 = var_88; [L237] SORT_1 var_90_arg_1 = var_89; [L238] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L239] SORT_1 var_91_arg_0 = var_82; [L240] SORT_1 var_91_arg_1 = var_90; [L241] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L242] SORT_1 var_92_arg_0 = state_13; [L243] SORT_1 var_92 = ~var_92_arg_0; [L244] SORT_1 var_93_arg_0 = state_15; [L245] SORT_1 var_93 = ~var_93_arg_0; [L246] SORT_1 var_94_arg_0 = var_92; [L247] SORT_1 var_94_arg_1 = var_93; [L248] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L249] SORT_1 var_95_arg_0 = state_17; [L250] SORT_1 var_95 = ~var_95_arg_0; [L251] SORT_1 var_96_arg_0 = var_94; [L252] SORT_1 var_96_arg_1 = var_95; [L253] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L254] SORT_1 var_97_arg_0 = state_4; [L255] SORT_1 var_97 = ~var_97_arg_0; [L256] SORT_1 var_98_arg_0 = var_96; [L257] SORT_1 var_98_arg_1 = var_97; [L258] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L259] SORT_1 var_99_arg_0 = var_98; [L260] SORT_1 var_99_arg_1 = state_19; [L261] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L262] SORT_1 var_100_arg_0 = var_91; [L263] SORT_1 var_100_arg_1 = var_99; [L264] SORT_1 var_100 = var_100_arg_0 | var_100_arg_1; [L265] var_100 = var_100 & mask_SORT_1 [L266] SORT_1 next_101_arg_1 = var_100; [L267] SORT_23 next_102_arg_1 = state_24; [L268] SORT_23 next_103_arg_1 = state_25; [L269] SORT_23 next_104_arg_1 = state_26; [L271] state_4 = next_33_arg_1 [L272] state_13 = next_35_arg_1 [L273] state_15 = next_39_arg_1 [L274] state_17 = next_43_arg_1 [L275] state_19 = next_56_arg_1 [L276] state_21 = next_101_arg_1 [L277] state_24 = next_102_arg_1 [L278] state_25 = next_103_arg_1 [L279] state_26 = next_104_arg_1 [L60] input_2 = __VERIFIER_nondet_uchar() [L63] SORT_1 var_6_arg_0 = state_4; [L64] SORT_1 var_6 = ~var_6_arg_0; [L65] SORT_1 var_10_arg_0 = var_6; [L66] SORT_1 var_10 = ~var_10_arg_0; [L67] SORT_1 var_11_arg_0 = var_9; [L68] SORT_1 var_11_arg_1 = var_10; [L69] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L70] var_11 = var_11 & mask_SORT_1 [L71] SORT_1 bad_12_arg_0 = var_11; [L72] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_12_arg_0)) [L74] SORT_23 var_28_arg_0 = state_24; [L75] SORT_23 var_28_arg_1 = state_26; [L76] SORT_1 var_28 = var_28_arg_0 < var_28_arg_1; [L77] SORT_1 var_29_arg_0 = var_28; [L78] SORT_1 var_29 = ~var_29_arg_0; [L79] SORT_1 var_30_arg_0 = state_17; [L80] SORT_1 var_30_arg_1 = var_29; [L81] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L82] SORT_1 var_31_arg_0 = state_4; [L83] SORT_1 var_31_arg_1 = var_30; [L84] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L85] SORT_1 var_32_arg_0 = state_21; [L86] SORT_1 var_32_arg_1 = var_31; [L87] SORT_1 var_32_arg_2 = state_4; [L88] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L89] SORT_1 next_33_arg_1 = var_32; [L90] SORT_1 var_34_arg_0 = state_21; [L91] SORT_1 var_34_arg_1 = var_3; [L92] SORT_1 var_34_arg_2 = state_13; [L93] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L94] SORT_1 next_35_arg_1 = var_34; [L95] SORT_23 var_36_arg_0 = state_24; [L96] SORT_23 var_36_arg_1 = state_25; [L97] SORT_1 var_36 = var_36_arg_0 < var_36_arg_1; [L98] SORT_1 var_37_arg_0 = state_13; [L99] SORT_1 var_37_arg_1 = var_36; [L100] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L101] SORT_1 var_38_arg_0 = state_21; [L102] SORT_1 var_38_arg_1 = var_37; [L103] SORT_1 var_38_arg_2 = state_15; [L104] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L105] SORT_1 next_39_arg_1 = var_38; [L106] SORT_23 var_40_arg_0 = state_25; [L107] SORT_23 var_40_arg_1 = state_26; [L108] SORT_1 var_40 = var_40_arg_0 < var_40_arg_1; [L109] SORT_1 var_41_arg_0 = state_15; [L110] SORT_1 var_41_arg_1 = var_40; [L111] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L112] SORT_1 var_42_arg_0 = state_21; [L113] SORT_1 var_42_arg_1 = var_41; [L114] SORT_1 var_42_arg_2 = state_17; [L115] SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L116] SORT_1 next_43_arg_1 = var_42; [L117] SORT_23 var_44_arg_0 = state_24; [L118] SORT_23 var_44_arg_1 = state_25; [L119] SORT_1 var_44 = var_44_arg_0 < var_44_arg_1; [L120] SORT_1 var_45_arg_0 = var_44; [L121] SORT_1 var_45 = ~var_45_arg_0; [L122] SORT_1 var_46_arg_0 = state_13; [L123] SORT_1 var_46_arg_1 = var_45; [L124] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L125] SORT_1 var_47_arg_0 = state_19; [L126] SORT_1 var_47_arg_1 = var_46; [L127] SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; [L128] SORT_23 var_48_arg_0 = state_25; [L129] SORT_23 var_48_arg_1 = state_26; [L130] SORT_1 var_48 = var_48_arg_0 < var_48_arg_1; [L131] SORT_1 var_49_arg_0 = var_48; [L132] SORT_1 var_49 = ~var_49_arg_0; [L133] SORT_1 var_50_arg_0 = state_15; [L134] SORT_1 var_50_arg_1 = var_49; [L135] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L136] SORT_1 var_51_arg_0 = var_47; [L137] SORT_1 var_51_arg_1 = var_50; [L138] SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; [L139] SORT_23 var_52_arg_0 = state_24; [L140] SORT_23 var_52_arg_1 = state_26; [L141] SORT_1 var_52 = var_52_arg_0 < var_52_arg_1; [L142] SORT_1 var_53_arg_0 = state_17; [L143] SORT_1 var_53_arg_1 = var_52; [L144] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L145] SORT_1 var_54_arg_0 = var_51; [L146] SORT_1 var_54_arg_1 = var_53; [L147] SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; [L148] SORT_1 var_55_arg_0 = state_21; [L149] SORT_1 var_55_arg_1 = var_54; [L150] SORT_1 var_55_arg_2 = state_19; [L151] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L152] SORT_1 next_56_arg_1 = var_55; [L153] SORT_1 var_57_arg_0 = state_15; [L154] SORT_1 var_57 = ~var_57_arg_0; [L155] SORT_1 var_58_arg_0 = state_13; [L156] SORT_1 var_58_arg_1 = var_57; [L157] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L158] SORT_1 var_59_arg_0 = state_17; [L159] SORT_1 var_59 = ~var_59_arg_0; [L160] SORT_1 var_60_arg_0 = var_58; [L161] SORT_1 var_60_arg_1 = var_59; [L162] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L163] SORT_1 var_61_arg_0 = state_4; [L164] SORT_1 var_61 = ~var_61_arg_0; [L165] SORT_1 var_62_arg_0 = var_60; [L166] SORT_1 var_62_arg_1 = var_61; [L167] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L168] SORT_1 var_63_arg_0 = state_19; [L169] SORT_1 var_63 = ~var_63_arg_0; [L170] SORT_1 var_64_arg_0 = var_62; [L171] SORT_1 var_64_arg_1 = var_63; [L172] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L173] SORT_1 var_65_arg_0 = state_13; [L174] SORT_1 var_65 = ~var_65_arg_0; [L175] SORT_1 var_66_arg_0 = var_65; [L176] SORT_1 var_66_arg_1 = state_15; [L177] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L178] SORT_1 var_67_arg_0 = state_17; [L179] SORT_1 var_67 = ~var_67_arg_0; [L180] SORT_1 var_68_arg_0 = var_66; [L181] SORT_1 var_68_arg_1 = var_67; [L182] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L183] SORT_1 var_69_arg_0 = state_4; [L184] SORT_1 var_69 = ~var_69_arg_0; [L185] SORT_1 var_70_arg_0 = var_68; [L186] SORT_1 var_70_arg_1 = var_69; [L187] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L188] SORT_1 var_71_arg_0 = state_19; [L189] SORT_1 var_71 = ~var_71_arg_0; [L190] SORT_1 var_72_arg_0 = var_70; [L191] SORT_1 var_72_arg_1 = var_71; [L192] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L193] SORT_1 var_73_arg_0 = var_64; [L194] SORT_1 var_73_arg_1 = var_72; [L195] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L196] SORT_1 var_74_arg_0 = state_13; [L197] SORT_1 var_74 = ~var_74_arg_0; [L198] SORT_1 var_75_arg_0 = state_15; [L199] SORT_1 var_75 = ~var_75_arg_0; [L200] SORT_1 var_76_arg_0 = var_74; [L201] SORT_1 var_76_arg_1 = var_75; [L202] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L203] SORT_1 var_77_arg_0 = var_76; [L204] SORT_1 var_77_arg_1 = state_17; [L205] SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; [L206] SORT_1 var_78_arg_0 = state_4; [L207] SORT_1 var_78 = ~var_78_arg_0; [L208] SORT_1 var_79_arg_0 = var_77; [L209] SORT_1 var_79_arg_1 = var_78; [L210] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L211] SORT_1 var_80_arg_0 = state_19; [L212] SORT_1 var_80 = ~var_80_arg_0; [L213] SORT_1 var_81_arg_0 = var_79; [L214] SORT_1 var_81_arg_1 = var_80; [L215] SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; [L216] SORT_1 var_82_arg_0 = var_73; [L217] SORT_1 var_82_arg_1 = var_81; [L218] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L219] SORT_1 var_83_arg_0 = state_13; [L220] SORT_1 var_83 = ~var_83_arg_0; [L221] SORT_1 var_84_arg_0 = state_15; [L222] SORT_1 var_84 = ~var_84_arg_0; [L223] SORT_1 var_85_arg_0 = var_83; [L224] SORT_1 var_85_arg_1 = var_84; [L225] SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; [L226] SORT_1 var_86_arg_0 = state_17; [L227] SORT_1 var_86 = ~var_86_arg_0; [L228] SORT_1 var_87_arg_0 = var_85; [L229] SORT_1 var_87_arg_1 = var_86; [L230] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L231] SORT_1 var_88_arg_0 = var_87; [L232] SORT_1 var_88_arg_1 = state_4; [L233] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L234] SORT_1 var_89_arg_0 = state_19; [L235] SORT_1 var_89 = ~var_89_arg_0; [L236] SORT_1 var_90_arg_0 = var_88; [L237] SORT_1 var_90_arg_1 = var_89; [L238] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L239] SORT_1 var_91_arg_0 = var_82; [L240] SORT_1 var_91_arg_1 = var_90; [L241] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L242] SORT_1 var_92_arg_0 = state_13; [L243] SORT_1 var_92 = ~var_92_arg_0; [L244] SORT_1 var_93_arg_0 = state_15; [L245] SORT_1 var_93 = ~var_93_arg_0; [L246] SORT_1 var_94_arg_0 = var_92; [L247] SORT_1 var_94_arg_1 = var_93; [L248] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L249] SORT_1 var_95_arg_0 = state_17; [L250] SORT_1 var_95 = ~var_95_arg_0; [L251] SORT_1 var_96_arg_0 = var_94; [L252] SORT_1 var_96_arg_1 = var_95; [L253] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L254] SORT_1 var_97_arg_0 = state_4; [L255] SORT_1 var_97 = ~var_97_arg_0; [L256] SORT_1 var_98_arg_0 = var_96; [L257] SORT_1 var_98_arg_1 = var_97; [L258] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L259] SORT_1 var_99_arg_0 = var_98; [L260] SORT_1 var_99_arg_1 = state_19; [L261] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L262] SORT_1 var_100_arg_0 = var_91; [L263] SORT_1 var_100_arg_1 = var_99; [L264] SORT_1 var_100 = var_100_arg_0 | var_100_arg_1; [L265] var_100 = var_100 & mask_SORT_1 [L266] SORT_1 next_101_arg_1 = var_100; [L267] SORT_23 next_102_arg_1 = state_24; [L268] SORT_23 next_103_arg_1 = state_25; [L269] SORT_23 next_104_arg_1 = state_26; [L271] state_4 = next_33_arg_1 [L272] state_13 = next_35_arg_1 [L273] state_15 = next_39_arg_1 [L274] state_17 = next_43_arg_1 [L275] state_19 = next_56_arg_1 [L276] state_21 = next_101_arg_1 [L277] state_24 = next_102_arg_1 [L278] state_25 = next_103_arg_1 [L279] state_26 = next_104_arg_1 [L60] input_2 = __VERIFIER_nondet_uchar() [L63] SORT_1 var_6_arg_0 = state_4; [L64] SORT_1 var_6 = ~var_6_arg_0; [L65] SORT_1 var_10_arg_0 = var_6; [L66] SORT_1 var_10 = ~var_10_arg_0; [L67] SORT_1 var_11_arg_0 = var_9; [L68] SORT_1 var_11_arg_1 = var_10; [L69] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L70] var_11 = var_11 & mask_SORT_1 [L71] SORT_1 bad_12_arg_0 = var_11; [L72] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L20] COND TRUE !(cond) [L20] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 548.0s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 146.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 37.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 27.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 17 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 112 SyntacticMatches, 11 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 355.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=4, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 394.8s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 184 ConstructedInterpolants, 103 QuantifiedInterpolants, 16758 SizeOfPredicates, 842 NumberOfNonLiveVariables, 5375 ConjunctsInSsa, 1091 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 0/144 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 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN