./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9 --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 f53fc957efb502ca25d20af768712914eea4afcbaa05066dd73d0f347823a519 --- 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-6b4ec56 [2022-11-20 21:22:16,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:22:16,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:22:16,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:22:16,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:22:16,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:22:16,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:22:16,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:22:16,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:22:16,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:22:16,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:22:16,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:22:16,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:22:16,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:22:16,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:22:16,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:22:16,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:22:16,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:22:16,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:22:16,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:22:16,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:22:16,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:22:16,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:22:16,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:22:16,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:22:16,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:22:16,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:22:16,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:22:16,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:22:16,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:22:16,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:22:16,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:22:16,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:22:16,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:22:16,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:22:16,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:22:16,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:22:16,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:22:16,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:22:16,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:22:16,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:22:16,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 21:22:16,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:22:16,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:22:16,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:22:16,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:22:16,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:22:16,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:22:16,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:22:16,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:22:16,282 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:22:16,288 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:22:16,289 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:22:16,290 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:22:16,290 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:22:16,290 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:22:16,290 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:22:16,290 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:22:16,291 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:22:16,291 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:22:16,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:22:16,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:22:16,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:22:16,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:22:16,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:22:16,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:22:16,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:22:16,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:22:16,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:22:16,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:22:16,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:22:16,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:16,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:22:16,296 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:22:16,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:22:16,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:22:16,297 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:22:16,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:22:16,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:22:16,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:22:16,298 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_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f53fc957efb502ca25d20af768712914eea4afcbaa05066dd73d0f347823a519 [2022-11-20 21:22:16,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:22:16,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:22:16,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:22:16,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:22:16,605 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:22:16,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2022-11-20 21:22:19,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:22:20,022 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:22:20,025 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2022-11-20 21:22:20,032 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data/238f96ab2/633118318b79427f97e010a72b4d60ff/FLAGc6341ce50 [2022-11-20 21:22:20,046 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data/238f96ab2/633118318b79427f97e010a72b4d60ff [2022-11-20 21:22:20,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:22:20,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:22:20,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:20,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:22:20,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:22:20,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e6a245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20, skipping insertion in model container [2022-11-20 21:22:20,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:22:20,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:22:20,232 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_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1107,1120] [2022-11-20 21:22:20,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:20,325 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:22:20,339 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_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1107,1120] [2022-11-20 21:22:20,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:20,391 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:22:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20 WrapperNode [2022-11-20 21:22:20,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:20,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:20,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:22:20,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:22:20,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,444 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 240 [2022-11-20 21:22:20,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:20,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:22:20,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:22:20,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:22:20,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:22:20,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:22:20,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:22:20,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:22:20,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (1/1) ... [2022-11-20 21:22:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:20,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:22:20,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:22:20,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:22:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:22:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:22:20,781 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:22:20,783 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:22:21,400 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:22:21,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:22:21,430 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 21:22:21,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:21 BoogieIcfgContainer [2022-11-20 21:22:21,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:22:21,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:22:21,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:22:21,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:22:21,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:22:20" (1/3) ... [2022-11-20 21:22:21,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12146912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:21, skipping insertion in model container [2022-11-20 21:22:21,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:20" (2/3) ... [2022-11-20 21:22:21,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12146912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:21, skipping insertion in model container [2022-11-20 21:22:21,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:21" (3/3) ... [2022-11-20 21:22:21,441 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2022-11-20 21:22:21,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:22:21,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:22:21,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:22:21,542 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;@61523512, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:22:21,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:22:21,546 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) [2022-11-20 21:22:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 21:22:21,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:21,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 21:22:21,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:22:21,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:21,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-20 21:22:21,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:22:21,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584391340] [2022-11-20 21:22:21,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:21,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:22:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:22:21,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:22:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:22:21,940 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-20 21:22:21,942 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:22:21,943 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 21:22:21,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:22:21,953 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 21:22:21,958 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:22:22,001 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:22:22,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:22:22 BoogieIcfgContainer [2022-11-20 21:22:22,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:22:22,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:22:22,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:22:22,011 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:22:22,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:21" (3/4) ... [2022-11-20 21:22:22,015 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 21:22:22,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:22:22,020 INFO L158 Benchmark]: Toolchain (without parser) took 1969.84ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 54.8MB in the end (delta: 52.0MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2022-11-20 21:22:22,021 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 84.3MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:22,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.03ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 92.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 21:22:22,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.00ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 89.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:22:22,024 INFO L158 Benchmark]: Boogie Preprocessor took 66.42ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:22,025 INFO L158 Benchmark]: RCFGBuilder took 919.61ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 77.9MB in the end (delta: 9.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-20 21:22:22,026 INFO L158 Benchmark]: TraceAbstraction took 575.54ms. Allocated memory is still 151.0MB. Free memory was 76.8MB in the beginning and 55.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 21:22:22,028 INFO L158 Benchmark]: Witness Printer took 8.60ms. Allocated memory is still 151.0MB. Free memory was 55.8MB in the beginning and 54.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:22,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 84.3MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.03ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 92.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.00ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 89.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.42ms. Allocated memory is still 151.0MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 919.61ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 77.9MB in the end (delta: 9.1MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 575.54ms. Allocated memory is still 151.0MB. Free memory was 76.8MB in the beginning and 55.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 8.60ms. Allocated memory is still 151.0MB. Free memory was 55.8MB in the beginning and 54.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 100, overapproximation of bitwiseOr at line 106, overapproximation of bitwiseAnd at line 89. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L31] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L32] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L34] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L35] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L37] const SORT_1 var_10 = 0; [L38] const SORT_14 var_15 = 0; [L39] const SORT_1 var_24 = 1; [L40] const SORT_5 var_28 = 0; [L41] const SORT_8 var_35 = 0; [L42] const SORT_5 var_57 = 1; [L43] const SORT_5 var_61 = 1000; [L44] const SORT_5 var_63 = 3735928559; [L45] const SORT_5 var_66 = 12245771; [L47] SORT_1 input_2; [L48] SORT_1 input_3; [L49] SORT_1 input_4; [L50] SORT_5 input_6; [L51] SORT_5 input_7; [L52] SORT_8 input_9; [L54] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L56] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L58] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L60] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L63] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L65] SORT_1 init_12_arg_1 = var_10; [L66] state_11 = init_12_arg_1 [L67] SORT_14 init_17_arg_1 = var_15; [L68] state_16 = init_17_arg_1 [L69] SORT_14 init_19_arg_1 = var_15; [L70] state_18 = init_19_arg_1 [L71] SORT_5 init_30_arg_1 = var_28; [L72] state_29 = init_30_arg_1 [L73] SORT_5 init_32_arg_1 = var_28; [L74] state_31 = init_32_arg_1 [L75] SORT_8 init_37_arg_1 = var_35; [L76] state_36 = init_37_arg_1 [L77] SORT_1 init_39_arg_1 = var_24; [L78] state_38 = init_39_arg_1 [L79] SORT_1 init_41_arg_1 = var_24; [L80] state_40 = init_41_arg_1 [L81] SORT_5 init_43_arg_1 = var_28; [L82] state_42 = init_43_arg_1 [L83] SORT_5 init_45_arg_1 = var_28; [L84] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_1=1, mask_SORT_14=18446744073709551615, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_1=1, msb_SORT_14=9223372036854775808, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L87] input_2 = __VERIFIER_nondet_uchar() [L88] input_3 = __VERIFIER_nondet_uchar() [L89] input_3 = input_3 & mask_SORT_1 [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_4 = input_4 & mask_SORT_1 [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_6 = input_6 & mask_SORT_5 [L94] input_7 = __VERIFIER_nondet_uint() [L95] input_7 = input_7 & mask_SORT_5 [L96] input_9 = __VERIFIER_nondet_ushort() [L99] SORT_1 var_13_arg_0 = state_11; [L100] SORT_1 var_13 = ~var_13_arg_0; [L101] SORT_14 var_20_arg_0 = state_16; [L102] SORT_14 var_20_arg_1 = state_18; [L103] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L104] SORT_1 var_21_arg_0 = var_13; [L105] SORT_1 var_21_arg_1 = var_20; [L106] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L107] SORT_1 var_25_arg_0 = var_21; [L108] SORT_1 var_25 = ~var_25_arg_0; [L109] SORT_1 var_26_arg_0 = var_24; [L110] SORT_1 var_26_arg_1 = var_25; [L111] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L112] var_26 = var_26 & mask_SORT_1 [L113] SORT_1 bad_27_arg_0 = var_26; [L114] CALL __VERIFIER_assert(!(bad_27_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 [2022-11-20 21:22:22,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9 --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 f53fc957efb502ca25d20af768712914eea4afcbaa05066dd73d0f347823a519 --- 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-6b4ec56 [2022-11-20 21:22:24,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:22:24,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:22:24,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:22:24,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:22:24,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:22:24,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:22:24,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:22:24,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:22:24,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:22:24,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:22:24,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:22:24,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:22:24,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:22:24,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:22:24,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:22:24,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:22:24,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:22:24,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:22:24,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:22:24,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:22:24,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:22:24,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:22:24,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:22:24,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:22:24,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:22:24,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:22:24,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:22:24,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:22:24,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:22:24,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:22:24,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:22:24,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:22:24,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:22:24,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:22:24,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:22:24,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:22:24,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:22:24,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:22:24,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:22:24,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:22:24,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 21:22:24,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:22:24,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:22:24,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:22:24,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:22:24,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:22:24,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:22:24,589 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:22:24,589 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:22:24,590 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:22:24,590 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:22:24,591 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:22:24,591 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:22:24,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:22:24,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:22:24,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:22:24,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:22:24,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:22:24,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 21:22:24,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 21:22:24,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 21:22:24,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:22:24,594 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:22:24,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:22:24,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:22:24,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 21:22:24,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:22:24,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:24,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:22:24,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:22:24,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:22:24,597 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 21:22:24,598 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 21:22:24,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:22:24,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:22:24,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 21:22:24,599 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_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f53fc957efb502ca25d20af768712914eea4afcbaa05066dd73d0f347823a519 [2022-11-20 21:22:25,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:22:25,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:22:25,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:22:25,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:22:25,046 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:22:25,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2022-11-20 21:22:28,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:22:28,417 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:22:28,418 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2022-11-20 21:22:28,426 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data/0764225fa/6909a406ef6f4c228ddff90a1b5105c6/FLAGc109eac0f [2022-11-20 21:22:28,451 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/data/0764225fa/6909a406ef6f4c228ddff90a1b5105c6 [2022-11-20 21:22:28,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:22:28,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:22:28,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:28,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:22:28,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:22:28,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:28,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34398695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28, skipping insertion in model container [2022-11-20 21:22:28,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:28,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:22:28,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:22:28,714 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_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1107,1120] [2022-11-20 21:22:28,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:28,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:22:28,852 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_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1107,1120] [2022-11-20 21:22:28,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:22:28,944 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:22:28,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28 WrapperNode [2022-11-20 21:22:28,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:22:28,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:28,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:22:28,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:22:28,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:28,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,009 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 240 [2022-11-20 21:22:29,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:22:29,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:22:29,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:22:29,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:22:29,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:22:29,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:22:29,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:22:29,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:22:29,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (1/1) ... [2022-11-20 21:22:29,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:22:29,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:22:29,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:22:29,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:22:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:22:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:22:29,299 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:22:29,301 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:22:29,973 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:22:29,979 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:22:29,979 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 21:22:29,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:29 BoogieIcfgContainer [2022-11-20 21:22:29,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:22:29,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:22:29,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:22:29,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:22:29,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:22:28" (1/3) ... [2022-11-20 21:22:29,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2ff887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:29, skipping insertion in model container [2022-11-20 21:22:29,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:22:28" (2/3) ... [2022-11-20 21:22:29,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2ff887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:22:29, skipping insertion in model container [2022-11-20 21:22:29,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:29" (3/3) ... [2022-11-20 21:22:29,990 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2022-11-20 21:22:30,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:22:30,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:22:30,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:22:30,061 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;@1bd1281d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:22:30,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:22:30,066 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) [2022-11-20 21:22:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 21:22:30,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:30,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 21:22:30,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:22:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 21:22:30,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:22:30,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709411487] [2022-11-20 21:22:30,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:30,093 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 [2022-11-20 21:22:30,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:22:30,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:22:30,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:22:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:30,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 21:22:30,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:22:30,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:30,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 21:22:30,561 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:22:30,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709411487] [2022-11-20 21:22:30,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709411487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:22:30,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:22:30,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:22:30,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436498030] [2022-11-20 21:22:30,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:22:30,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:22:30,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:22:30,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:22:30,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:22:30,600 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) [2022-11-20 21:22:30,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:30,962 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 21:22:30,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:22:30,965 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 [2022-11-20 21:22:30,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:30,972 INFO L225 Difference]: With dead ends: 20 [2022-11-20 21:22:30,973 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 21:22:30,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:22:30,979 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:30,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 21:22:30,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 21:22:31,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 21:22:31,009 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) [2022-11-20 21:22:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 21:22:31,010 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 21:22:31,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:31,011 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 21:22:31,011 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) [2022-11-20 21:22:31,012 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 21:22:31,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 21:22:31,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:31,012 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 21:22:31,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:22:31,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:22:31,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:22:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 21:22:31,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:22:31,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987981334] [2022-11-20 21:22:31,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:31,241 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 [2022-11-20 21:22:31,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:22:31,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:22:31,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:22:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:31,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 21:22:31,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:22:31,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:31,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:22:32,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:32,458 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 21:22:32,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987981334] [2022-11-20 21:22:32,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987981334] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:22:32,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [707122141] [2022-11-20 21:22:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:32,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 21:22:32,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/cvc4 [2022-11-20 21:22:32,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 21:22:32,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-20 21:22:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:32,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-20 21:22:32,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:22:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:33,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:22:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:33,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [707122141] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:22:33,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145904995] [2022-11-20 21:22:33,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:22:33,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:22:33,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:22:33,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:22:33,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 21:22:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:22:33,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-20 21:22:33,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:22:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:33,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:22:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:22:34,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145904995] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:22:34,390 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-20 21:22:34,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 7, 6] total 11 [2022-11-20 21:22:34,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424946577] [2022-11-20 21:22:34,392 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-20 21:22:34,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 21:22:34,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 21:22:34,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 21:22:34,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-20 21:22:34,394 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:22:35,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:22:35,080 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 21:22:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 21:22:35,081 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 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 [2022-11-20 21:22:35,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:22:35,082 INFO L225 Difference]: With dead ends: 16 [2022-11-20 21:22:35,082 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 21:22:35,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-20 21:22:35,084 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 16 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 21:22:35,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 22 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 15 Unchecked, 0.5s Time] [2022-11-20 21:22:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 21:22:35,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 21:22:35,089 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) [2022-11-20 21:22:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 21:22:35,090 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 21:22:35,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:22:35,091 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 21:22:35,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:22:35,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 21:22:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 21:22:35,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:22:35,092 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 21:22:35,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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)] Ended with exit code 0 [2022-11-20 21:22:35,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:22:35,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-11-20 21:22:35,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/cvc4 --incremental --print-success --lang smt [2022-11-20 21:22:35,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:22:35,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:22:35,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 21:22:35,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 21:22:35,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1981223258] [2022-11-20 21:22:35,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 21:22:35,712 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 [2022-11-20 21:22:35,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 21:22:35,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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) [2022-11-20 21:22:35,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:22:36,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 21:22:36,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-20 21:22:36,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 21:22:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 21:22:36,717 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-20 21:22:36,721 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 21:22:36,722 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 21:22:36,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:22:36,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/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 [2022-11-20 21:22:36,941 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-20 21:22:36,944 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:22:36,999 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:22:37,015 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:22:37,015 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:22:37,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:22:37 BoogieIcfgContainer [2022-11-20 21:22:37,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:22:37,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:22:37,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:22:37,048 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:22:37,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:22:29" (3/4) ... [2022-11-20 21:22:37,052 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 21:22:37,083 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:22:37,089 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:22:37,090 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 21:22:37,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 21:22:37,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:22:37,169 INFO L158 Benchmark]: Toolchain (without parser) took 8698.11ms. Allocated memory was 83.9MB in the beginning and 138.4MB in the end (delta: 54.5MB). Free memory was 65.1MB in the beginning and 65.1MB in the end (delta: 46.2kB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-20 21:22:37,169 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:22:37,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.42ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 50.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 21:22:37,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.31ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:37,170 INFO L158 Benchmark]: Boogie Preprocessor took 58.29ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:22:37,171 INFO L158 Benchmark]: RCFGBuilder took 912.24ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 46.4MB in the end (delta: -822.1kB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-11-20 21:22:37,171 INFO L158 Benchmark]: TraceAbstraction took 7063.35ms. Allocated memory was 83.9MB in the beginning and 138.4MB in the end (delta: 54.5MB). Free memory was 45.7MB in the beginning and 74.5MB in the end (delta: -28.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-20 21:22:37,172 INFO L158 Benchmark]: Witness Printer took 121.23ms. Allocated memory is still 138.4MB. Free memory was 74.5MB in the beginning and 65.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 21:22:37,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.42ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 50.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.31ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 47.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.29ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 912.24ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 46.4MB in the end (delta: -822.1kB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7063.35ms. Allocated memory was 83.9MB in the beginning and 138.4MB in the end (delta: 54.5MB). Free memory was 45.7MB in the beginning and 74.5MB in the end (delta: -28.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 121.23ms. Allocated memory is still 138.4MB. Free memory was 74.5MB in the beginning and 65.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L31] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L32] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L34] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L35] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L37] const SORT_1 var_10 = 0; [L38] const SORT_14 var_15 = 0; [L39] const SORT_1 var_24 = 1; [L40] const SORT_5 var_28 = 0; [L41] const SORT_8 var_35 = 0; [L42] const SORT_5 var_57 = 1; [L43] const SORT_5 var_61 = 1000; [L44] const SORT_5 var_63 = 3735928559; [L45] const SORT_5 var_66 = 12245771; [L47] SORT_1 input_2; [L48] SORT_1 input_3; [L49] SORT_1 input_4; [L50] SORT_5 input_6; [L51] SORT_5 input_7; [L52] SORT_8 input_9; [L54] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L56] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L58] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L60] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L63] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L65] SORT_1 init_12_arg_1 = var_10; [L66] state_11 = init_12_arg_1 [L67] SORT_14 init_17_arg_1 = var_15; [L68] state_16 = init_17_arg_1 [L69] SORT_14 init_19_arg_1 = var_15; [L70] state_18 = init_19_arg_1 [L71] SORT_5 init_30_arg_1 = var_28; [L72] state_29 = init_30_arg_1 [L73] SORT_5 init_32_arg_1 = var_28; [L74] state_31 = init_32_arg_1 [L75] SORT_8 init_37_arg_1 = var_35; [L76] state_36 = init_37_arg_1 [L77] SORT_1 init_39_arg_1 = var_24; [L78] state_38 = init_39_arg_1 [L79] SORT_1 init_41_arg_1 = var_24; [L80] state_40 = init_41_arg_1 [L81] SORT_5 init_43_arg_1 = var_28; [L82] state_42 = init_43_arg_1 [L83] SORT_5 init_45_arg_1 = var_28; [L84] state_44 = init_45_arg_1 VAL [init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, mask_SORT_1=1, mask_SORT_14=18446744073709551615, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_1=1, msb_SORT_14=9223372036854775808, msb_SORT_5=2147483648, msb_SORT_8=512, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L87] input_2 = __VERIFIER_nondet_uchar() [L88] input_3 = __VERIFIER_nondet_uchar() [L89] input_3 = input_3 & mask_SORT_1 [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_4 = input_4 & mask_SORT_1 [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_6 = input_6 & mask_SORT_5 [L94] input_7 = __VERIFIER_nondet_uint() [L95] input_7 = input_7 & mask_SORT_5 [L96] input_9 = __VERIFIER_nondet_ushort() [L99] SORT_1 var_13_arg_0 = state_11; [L100] SORT_1 var_13 = ~var_13_arg_0; [L101] SORT_14 var_20_arg_0 = state_16; [L102] SORT_14 var_20_arg_1 = state_18; [L103] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L104] SORT_1 var_21_arg_0 = var_13; [L105] SORT_1 var_21_arg_1 = var_20; [L106] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L107] SORT_1 var_25_arg_0 = var_21; [L108] SORT_1 var_25 = ~var_25_arg_0; [L109] SORT_1 var_26_arg_0 = var_24; [L110] SORT_1 var_26_arg_1 = var_25; [L111] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L112] var_26 = var_26 & mask_SORT_1 [L113] SORT_1 bad_27_arg_0 = var_26; [L114] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L114] RET __VERIFIER_assert(!(bad_27_arg_0)) [L116] SORT_1 next_51_arg_1 = var_24; [L117] SORT_1 var_33_arg_0 = state_11; [L118] SORT_1 var_33 = ~var_33_arg_0; [L119] var_33 = var_33 & mask_SORT_1 [L120] SORT_5 var_52_arg_0 = state_29; [L121] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L122] SORT_14 var_52 = var_52_arg_0; [L123] SORT_5 var_53_arg_0 = state_31; [L124] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L125] SORT_14 var_53 = var_53_arg_0; [L126] SORT_14 var_54_arg_0 = var_52; [L127] SORT_14 var_54_arg_1 = var_53; [L128] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L129] SORT_1 var_55_arg_0 = var_33; [L130] SORT_14 var_55_arg_1 = var_15; [L131] SORT_14 var_55_arg_2 = var_54; [L132] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L133] var_55 = var_55 & mask_SORT_14 [L134] SORT_14 next_56_arg_1 = var_55; [L135] SORT_1 var_70_arg_0 = state_38; [L136] SORT_1 var_70_arg_1 = state_40; [L137] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L138] var_70 = var_70 & mask_SORT_1 [L139] SORT_8 var_60_arg_0 = state_36; [L140] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L141] SORT_5 var_60 = var_60_arg_0; [L142] SORT_5 var_62_arg_0 = var_60; [L143] SORT_5 var_62_arg_1 = var_61; [L144] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L145] SORT_5 var_64_arg_0 = input_6; [L146] SORT_5 var_64_arg_1 = var_63; [L147] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L148] SORT_1 var_65_arg_0 = var_62; [L149] SORT_1 var_65_arg_1 = var_64; [L150] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L151] SORT_5 var_67_arg_0 = input_7; [L152] SORT_5 var_67_arg_1 = var_66; [L153] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L154] SORT_1 var_68_arg_0 = var_65; [L155] SORT_1 var_68_arg_1 = var_67; [L156] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L157] var_68 = var_68 & mask_SORT_1 [L158] SORT_5 var_46_arg_0 = state_42; [L159] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L160] SORT_14 var_46 = var_46_arg_0; [L161] SORT_5 var_47_arg_0 = state_44; [L162] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L163] SORT_14 var_47 = var_47_arg_0; [L164] SORT_14 var_48_arg_0 = var_46; [L165] SORT_14 var_48_arg_1 = var_47; [L166] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L167] SORT_5 var_58_arg_0 = var_57; [L168] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L169] SORT_14 var_58 = var_58_arg_0; [L170] SORT_14 var_59_arg_0 = var_48; [L171] SORT_14 var_59_arg_1 = var_58; [L172] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L173] SORT_1 var_69_arg_0 = var_68; [L174] SORT_14 var_69_arg_1 = var_59; [L175] SORT_14 var_69_arg_2 = var_48; [L176] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L177] SORT_1 var_71_arg_0 = var_70; [L178] SORT_14 var_71_arg_1 = var_69; [L179] SORT_14 var_71_arg_2 = state_18; [L180] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L181] SORT_1 var_72_arg_0 = var_33; [L182] SORT_14 var_72_arg_1 = var_15; [L183] SORT_14 var_72_arg_2 = var_71; [L184] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L185] var_72 = var_72 & mask_SORT_14 [L186] SORT_14 next_73_arg_1 = var_72; [L187] SORT_1 var_74_arg_0 = input_3; [L188] SORT_5 var_74_arg_1 = input_6; [L189] SORT_5 var_74_arg_2 = state_29; [L190] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L191] SORT_1 var_75_arg_0 = var_33; [L192] SORT_5 var_75_arg_1 = var_28; [L193] SORT_5 var_75_arg_2 = var_74; [L194] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L195] SORT_5 next_76_arg_1 = var_75; [L196] SORT_1 var_77_arg_0 = input_4; [L197] SORT_5 var_77_arg_1 = input_7; [L198] SORT_5 var_77_arg_2 = state_31; [L199] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L200] SORT_1 var_78_arg_0 = var_33; [L201] SORT_5 var_78_arg_1 = var_28; [L202] SORT_5 var_78_arg_2 = var_77; [L203] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L204] SORT_5 next_79_arg_1 = var_78; [L205] SORT_1 var_80_arg_0 = var_33; [L206] SORT_8 var_80_arg_1 = input_9; [L207] SORT_8 var_80_arg_2 = state_36; [L208] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L209] SORT_8 next_81_arg_1 = var_80; [L210] SORT_1 var_82_arg_0 = var_33; [L211] SORT_1 var_82_arg_1 = var_24; [L212] SORT_1 var_82_arg_2 = input_3; [L213] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L214] SORT_1 next_83_arg_1 = var_82; [L215] SORT_1 var_84_arg_0 = var_33; [L216] SORT_1 var_84_arg_1 = var_24; [L217] SORT_1 var_84_arg_2 = input_4; [L218] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L219] SORT_1 next_85_arg_1 = var_84; [L220] SORT_1 var_86_arg_0 = input_3; [L221] SORT_5 var_86_arg_1 = input_6; [L222] SORT_5 var_86_arg_2 = state_42; [L223] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L224] SORT_1 var_87_arg_0 = var_33; [L225] SORT_5 var_87_arg_1 = var_28; [L226] SORT_5 var_87_arg_2 = var_86; [L227] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L228] SORT_5 next_88_arg_1 = var_87; [L229] SORT_1 var_89_arg_0 = input_4; [L230] SORT_5 var_89_arg_1 = input_7; [L231] SORT_5 var_89_arg_2 = state_44; [L232] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L233] SORT_1 var_90_arg_0 = var_33; [L234] SORT_5 var_90_arg_1 = var_28; [L235] SORT_5 var_90_arg_2 = var_89; [L236] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L237] SORT_5 next_91_arg_1 = var_90; [L239] state_11 = next_51_arg_1 [L240] state_16 = next_56_arg_1 [L241] state_18 = next_73_arg_1 [L242] state_29 = next_76_arg_1 [L243] state_31 = next_79_arg_1 [L244] state_36 = next_81_arg_1 [L245] state_38 = next_83_arg_1 [L246] state_40 = next_85_arg_1 [L247] state_42 = next_88_arg_1 [L248] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_2=2, input_3=0, input_4=0, input_6=0, input_7=0, input_9=1008, mask_SORT_1=1, mask_SORT_14=18446744073709551615, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_1=1, msb_SORT_14=9223372036854775808, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=0, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=1, next_85_arg_1=1, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=0, state_29=0, state_31=0, state_36=1008, state_38=1, state_40=1, state_42=0, state_44=0, var_10=0, var_13=255, var_13_arg_0=0, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=255, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=1, var_33_arg_0=0, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=0, var_60_arg_0=0, var_61=1000, var_62=0, var_62_arg_0=0, var_62_arg_1=1000, var_63=3735928559, var_64=0, var_64_arg_0=0, var_64_arg_1=3735928559, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_66=12245771, var_67=0, var_67_arg_0=0, var_67_arg_1=12245771, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=0, var_69_arg_0=0, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=0, var_71_arg_0=1, var_71_arg_1=0, var_71_arg_2=0, var_72=0, var_72_arg_0=1, var_72_arg_1=0, var_72_arg_2=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_74_arg_2=0, var_75=0, var_75_arg_0=1, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=0, var_77_arg_2=0, var_78=0, var_78_arg_0=1, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=1, var_80_arg_1=1008, var_80_arg_2=0, var_82=1, var_82_arg_0=1, var_82_arg_1=1, var_82_arg_2=0, var_84=1, var_84_arg_0=1, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=0, var_86_arg_2=0, var_87=0, var_87_arg_0=1, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=0, var_89_arg_2=0, var_90=0, var_90_arg_0=1, var_90_arg_1=0, var_90_arg_2=0] [L87] input_2 = __VERIFIER_nondet_uchar() [L88] input_3 = __VERIFIER_nondet_uchar() [L89] input_3 = input_3 & mask_SORT_1 [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_4 = input_4 & mask_SORT_1 [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_6 = input_6 & mask_SORT_5 [L94] input_7 = __VERIFIER_nondet_uint() [L95] input_7 = input_7 & mask_SORT_5 [L96] input_9 = __VERIFIER_nondet_ushort() [L99] SORT_1 var_13_arg_0 = state_11; [L100] SORT_1 var_13 = ~var_13_arg_0; [L101] SORT_14 var_20_arg_0 = state_16; [L102] SORT_14 var_20_arg_1 = state_18; [L103] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L104] SORT_1 var_21_arg_0 = var_13; [L105] SORT_1 var_21_arg_1 = var_20; [L106] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L107] SORT_1 var_25_arg_0 = var_21; [L108] SORT_1 var_25 = ~var_25_arg_0; [L109] SORT_1 var_26_arg_0 = var_24; [L110] SORT_1 var_26_arg_1 = var_25; [L111] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L112] var_26 = var_26 & mask_SORT_1 [L113] SORT_1 bad_27_arg_0 = var_26; [L114] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L114] RET __VERIFIER_assert(!(bad_27_arg_0)) [L116] SORT_1 next_51_arg_1 = var_24; [L117] SORT_1 var_33_arg_0 = state_11; [L118] SORT_1 var_33 = ~var_33_arg_0; [L119] var_33 = var_33 & mask_SORT_1 [L120] SORT_5 var_52_arg_0 = state_29; [L121] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L122] SORT_14 var_52 = var_52_arg_0; [L123] SORT_5 var_53_arg_0 = state_31; [L124] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L125] SORT_14 var_53 = var_53_arg_0; [L126] SORT_14 var_54_arg_0 = var_52; [L127] SORT_14 var_54_arg_1 = var_53; [L128] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L129] SORT_1 var_55_arg_0 = var_33; [L130] SORT_14 var_55_arg_1 = var_15; [L131] SORT_14 var_55_arg_2 = var_54; [L132] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L133] var_55 = var_55 & mask_SORT_14 [L134] SORT_14 next_56_arg_1 = var_55; [L135] SORT_1 var_70_arg_0 = state_38; [L136] SORT_1 var_70_arg_1 = state_40; [L137] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L138] var_70 = var_70 & mask_SORT_1 [L139] SORT_8 var_60_arg_0 = state_36; [L140] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L141] SORT_5 var_60 = var_60_arg_0; [L142] SORT_5 var_62_arg_0 = var_60; [L143] SORT_5 var_62_arg_1 = var_61; [L144] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L145] SORT_5 var_64_arg_0 = input_6; [L146] SORT_5 var_64_arg_1 = var_63; [L147] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L148] SORT_1 var_65_arg_0 = var_62; [L149] SORT_1 var_65_arg_1 = var_64; [L150] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L151] SORT_5 var_67_arg_0 = input_7; [L152] SORT_5 var_67_arg_1 = var_66; [L153] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L154] SORT_1 var_68_arg_0 = var_65; [L155] SORT_1 var_68_arg_1 = var_67; [L156] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L157] var_68 = var_68 & mask_SORT_1 [L158] SORT_5 var_46_arg_0 = state_42; [L159] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L160] SORT_14 var_46 = var_46_arg_0; [L161] SORT_5 var_47_arg_0 = state_44; [L162] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L163] SORT_14 var_47 = var_47_arg_0; [L164] SORT_14 var_48_arg_0 = var_46; [L165] SORT_14 var_48_arg_1 = var_47; [L166] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L167] SORT_5 var_58_arg_0 = var_57; [L168] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L169] SORT_14 var_58 = var_58_arg_0; [L170] SORT_14 var_59_arg_0 = var_48; [L171] SORT_14 var_59_arg_1 = var_58; [L172] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L173] SORT_1 var_69_arg_0 = var_68; [L174] SORT_14 var_69_arg_1 = var_59; [L175] SORT_14 var_69_arg_2 = var_48; [L176] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L177] SORT_1 var_71_arg_0 = var_70; [L178] SORT_14 var_71_arg_1 = var_69; [L179] SORT_14 var_71_arg_2 = state_18; [L180] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L181] SORT_1 var_72_arg_0 = var_33; [L182] SORT_14 var_72_arg_1 = var_15; [L183] SORT_14 var_72_arg_2 = var_71; [L184] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L185] var_72 = var_72 & mask_SORT_14 [L186] SORT_14 next_73_arg_1 = var_72; [L187] SORT_1 var_74_arg_0 = input_3; [L188] SORT_5 var_74_arg_1 = input_6; [L189] SORT_5 var_74_arg_2 = state_29; [L190] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L191] SORT_1 var_75_arg_0 = var_33; [L192] SORT_5 var_75_arg_1 = var_28; [L193] SORT_5 var_75_arg_2 = var_74; [L194] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L195] SORT_5 next_76_arg_1 = var_75; [L196] SORT_1 var_77_arg_0 = input_4; [L197] SORT_5 var_77_arg_1 = input_7; [L198] SORT_5 var_77_arg_2 = state_31; [L199] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L200] SORT_1 var_78_arg_0 = var_33; [L201] SORT_5 var_78_arg_1 = var_28; [L202] SORT_5 var_78_arg_2 = var_77; [L203] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L204] SORT_5 next_79_arg_1 = var_78; [L205] SORT_1 var_80_arg_0 = var_33; [L206] SORT_8 var_80_arg_1 = input_9; [L207] SORT_8 var_80_arg_2 = state_36; [L208] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L209] SORT_8 next_81_arg_1 = var_80; [L210] SORT_1 var_82_arg_0 = var_33; [L211] SORT_1 var_82_arg_1 = var_24; [L212] SORT_1 var_82_arg_2 = input_3; [L213] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L214] SORT_1 next_83_arg_1 = var_82; [L215] SORT_1 var_84_arg_0 = var_33; [L216] SORT_1 var_84_arg_1 = var_24; [L217] SORT_1 var_84_arg_2 = input_4; [L218] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L219] SORT_1 next_85_arg_1 = var_84; [L220] SORT_1 var_86_arg_0 = input_3; [L221] SORT_5 var_86_arg_1 = input_6; [L222] SORT_5 var_86_arg_2 = state_42; [L223] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L224] SORT_1 var_87_arg_0 = var_33; [L225] SORT_5 var_87_arg_1 = var_28; [L226] SORT_5 var_87_arg_2 = var_86; [L227] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L228] SORT_5 next_88_arg_1 = var_87; [L229] SORT_1 var_89_arg_0 = input_4; [L230] SORT_5 var_89_arg_1 = input_7; [L231] SORT_5 var_89_arg_2 = state_44; [L232] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L233] SORT_1 var_90_arg_0 = var_33; [L234] SORT_5 var_90_arg_1 = var_28; [L235] SORT_5 var_90_arg_2 = var_89; [L236] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L237] SORT_5 next_91_arg_1 = var_90; [L239] state_11 = next_51_arg_1 [L240] state_16 = next_56_arg_1 [L241] state_18 = next_73_arg_1 [L242] state_29 = next_76_arg_1 [L243] state_31 = next_79_arg_1 [L244] state_36 = next_81_arg_1 [L245] state_38 = next_83_arg_1 [L246] state_40 = next_85_arg_1 [L247] state_42 = next_88_arg_1 [L248] state_44 = next_91_arg_1 VAL [bad_27_arg_0=0, init_12_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_37_arg_1=0, init_39_arg_1=1, init_41_arg_1=1, init_43_arg_1=0, init_45_arg_1=0, input_2=3, input_3=0, input_4=0, input_6=3735928559, input_7=12245771, input_9=0, mask_SORT_1=1, mask_SORT_14=18446744073709551615, mask_SORT_5=4294967295, mask_SORT_8=1023, msb_SORT_1=1, msb_SORT_14=9223372036854775808, msb_SORT_5=2147483648, msb_SORT_8=512, next_51_arg_1=1, next_56_arg_1=0, next_73_arg_1=1, next_76_arg_1=0, next_79_arg_1=0, next_81_arg_1=1008, next_83_arg_1=0, next_85_arg_1=0, next_88_arg_1=0, next_91_arg_1=0, state_11=1, state_16=0, state_18=1, state_29=0, state_31=0, state_36=1008, state_38=0, state_40=0, state_42=0, state_44=0, var_10=0, var_13=254, var_13_arg_0=1, var_15=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_21=255, var_21_arg_0=254, var_21_arg_1=1, var_24=1, var_25=0, var_25_arg_0=255, var_26=0, var_26_arg_0=1, var_26_arg_1=0, var_28=0, var_33=0, var_33_arg_0=1, var_35=0, var_46=0, var_46_arg_0=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_52=0, var_52_arg_0=0, var_53=0, var_53_arg_0=0, var_54=0, var_54_arg_0=0, var_54_arg_1=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_55_arg_2=0, var_57=1, var_58=1, var_58_arg_0=1, var_59=1, var_59_arg_0=0, var_59_arg_1=1, var_60=1008, var_60_arg_0=1008, var_61=1000, var_62=1, var_62_arg_0=1008, var_62_arg_1=1000, var_63=3735928559, var_64=1, var_64_arg_0=3735928559, var_64_arg_1=3735928559, var_65=1, var_65_arg_0=1, var_65_arg_1=1, var_66=12245771, var_67=1, var_67_arg_0=12245771, var_67_arg_1=12245771, var_68=1, var_68_arg_0=1, var_68_arg_1=1, var_69=1, var_69_arg_0=1, var_69_arg_1=1, var_69_arg_2=0, var_70=1, var_70_arg_0=1, var_70_arg_1=1, var_71=1, var_71_arg_0=1, var_71_arg_1=1, var_71_arg_2=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_72_arg_2=1, var_74=0, var_74_arg_0=0, var_74_arg_1=3735928559, var_74_arg_2=0, var_75=0, var_75_arg_0=0, var_75_arg_1=0, var_75_arg_2=0, var_77=0, var_77_arg_0=0, var_77_arg_1=12245771, var_77_arg_2=0, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_80=1008, var_80_arg_0=0, var_80_arg_1=0, var_80_arg_2=1008, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_82_arg_2=0, var_84=0, var_84_arg_0=0, var_84_arg_1=1, var_84_arg_2=0, var_86=0, var_86_arg_0=0, var_86_arg_1=3735928559, var_86_arg_2=0, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_89=0, var_89_arg_0=0, var_89_arg_1=12245771, var_89_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=0, var_90_arg_2=0] [L87] input_2 = __VERIFIER_nondet_uchar() [L88] input_3 = __VERIFIER_nondet_uchar() [L89] input_3 = input_3 & mask_SORT_1 [L90] input_4 = __VERIFIER_nondet_uchar() [L91] input_4 = input_4 & mask_SORT_1 [L92] input_6 = __VERIFIER_nondet_uint() [L93] input_6 = input_6 & mask_SORT_5 [L94] input_7 = __VERIFIER_nondet_uint() [L95] input_7 = input_7 & mask_SORT_5 [L96] input_9 = __VERIFIER_nondet_ushort() [L99] SORT_1 var_13_arg_0 = state_11; [L100] SORT_1 var_13 = ~var_13_arg_0; [L101] SORT_14 var_20_arg_0 = state_16; [L102] SORT_14 var_20_arg_1 = state_18; [L103] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L104] SORT_1 var_21_arg_0 = var_13; [L105] SORT_1 var_21_arg_1 = var_20; [L106] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L107] SORT_1 var_25_arg_0 = var_21; [L108] SORT_1 var_25 = ~var_25_arg_0; [L109] SORT_1 var_26_arg_0 = var_24; [L110] SORT_1 var_26_arg_1 = var_25; [L111] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L112] var_26 = var_26 & mask_SORT_1 [L113] SORT_1 bad_27_arg_0 = var_26; [L114] CALL __VERIFIER_assert(!(bad_27_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 9 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 46 ConstructedInterpolants, 12 QuantifiedInterpolants, 830 SizeOfPredicates, 129 NumberOfNonLiveVariables, 688 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 21:22:37,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6de6d6cb-e6ac-416b-9d59-a3c056989f9e/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE