./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0 --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 1b31a336d16c5f2a8b580814d36771ebbf64ed76da99fabf7e9e8eab5ef89ade --- 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-e04fb08 [2022-11-16 16:09:11,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:09:11,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:09:11,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:09:11,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:09:11,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:09:11,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:09:11,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:09:11,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:09:11,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:09:11,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:09:11,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:09:11,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:09:11,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:09:11,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:09:11,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:09:11,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:09:11,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:09:11,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:09:11,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:09:11,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:09:11,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:09:11,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:09:11,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:09:11,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:09:11,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:09:11,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:09:11,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:09:11,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:09:11,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:09:11,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:09:11,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:09:11,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:09:11,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:09:11,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:09:11,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:09:11,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:09:11,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:09:11,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:09:11,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:09:11,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:09:11,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 16:09:12,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:09:12,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:09:12,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:09:12,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:09:12,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:09:12,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:09:12,009 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:09:12,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:09:12,009 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:09:12,009 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:09:12,010 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:09:12,010 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:09:12,011 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:09:12,011 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:09:12,011 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:09:12,011 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:09:12,011 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:09:12,011 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:09:12,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:09:12,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:09:12,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:09:12,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:09:12,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:09:12,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:09:12,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:09:12,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:09:12,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:09:12,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:09:12,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:09:12,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:09:12,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:09:12,015 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:09:12,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:09:12,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:09:12,015 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:09:12,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:09:12,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:09:12,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:09:12,016 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_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31a336d16c5f2a8b580814d36771ebbf64ed76da99fabf7e9e8eab5ef89ade [2022-11-16 16:09:12,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:09:12,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:09:12,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:09:12,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:09:12,403 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:09:12,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-16 16:09:12,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/d5af4bc84/f2272381a9564befa660d345e739da72/FLAG3a06344e7 [2022-11-16 16:09:13,113 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:09:13,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-16 16:09:13,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/d5af4bc84/f2272381a9564befa660d345e739da72/FLAG3a06344e7 [2022-11-16 16:09:13,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/d5af4bc84/f2272381a9564befa660d345e739da72 [2022-11-16 16:09:13,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:09:13,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:09:13,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:09:13,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:09:13,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:09:13,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:09:13" (1/1) ... [2022-11-16 16:09:13,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150587eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:13, skipping insertion in model container [2022-11-16 16:09:13,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:09:13" (1/1) ... [2022-11-16 16:09:13,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:09:13,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:09:13,647 WARN L229 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_f6768956-5ae3-4dbc-9142-457715948515/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-16 16:09:14,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:09:14,136 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:09:14,147 WARN L229 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_f6768956-5ae3-4dbc-9142-457715948515/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-16 16:09:14,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:09:14,377 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:09:14,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14 WrapperNode [2022-11-16 16:09:14,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:09:14,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:09:14,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:09:14,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:09:14,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,621 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3352 [2022-11-16 16:09:14,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:09:14,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:09:14,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:09:14,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:09:14,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,777 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:09:14,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:09:14,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:09:14,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:09:14,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (1/1) ... [2022-11-16 16:09:14,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:09:14,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:09:14,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:09:14,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:09:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:09:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:09:15,481 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:09:15,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:09:21,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:09:41,161 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:09:41,161 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 16:09:41,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:09:41 BoogieIcfgContainer [2022-11-16 16:09:41,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:09:41,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:09:41,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:09:41,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:09:41,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:09:13" (1/3) ... [2022-11-16 16:09:41,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1e6e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:09:41, skipping insertion in model container [2022-11-16 16:09:41,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:14" (2/3) ... [2022-11-16 16:09:41,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d1e6e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:09:41, skipping insertion in model container [2022-11-16 16:09:41,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:09:41" (3/3) ... [2022-11-16 16:09:41,174 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-16 16:09:41,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:09:41,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:09:41,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:09:41,275 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;@670bd4ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:09:41,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:09:41,281 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) [2022-11-16 16:09:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 16:09:41,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:09:41,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 16:09:41,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:09:41,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:09:41,297 INFO L85 PathProgramCache]: Analyzing trace with hash 66867562, now seen corresponding path program 1 times [2022-11-16 16:09:41,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:09:41,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581735741] [2022-11-16 16:09:41,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:09:41,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:09:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:09:41,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 16:09:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:09:41,755 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 16:09:41,761 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 16:09:41,762 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 16:09:41,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:09:41,768 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 16:09:41,772 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:09:41,813 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 16:09:41,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:09:41 BoogieIcfgContainer [2022-11-16 16:09:41,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:09:41,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:09:41,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:09:41,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:09:41,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:09:41" (3/4) ... [2022-11-16 16:09:41,828 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 16:09:41,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:09:41,830 INFO L158 Benchmark]: Toolchain (without parser) took 28523.69ms. Allocated memory was 121.6MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 76.1MB in the beginning and 5.6GB in the end (delta: -5.6GB). Peak memory consumption was 965.4MB. Max. memory is 16.1GB. [2022-11-16 16:09:41,831 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 95.8MB in the beginning and 95.7MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:09:41,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1070.85ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 75.8MB in the beginning and 171.6MB in the end (delta: -95.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-11-16 16:09:41,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 242.78ms. Allocated memory is still 211.8MB. Free memory was 171.6MB in the beginning and 140.1MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-16 16:09:41,833 INFO L158 Benchmark]: Boogie Preprocessor took 203.92ms. Allocated memory is still 211.8MB. Free memory was 140.1MB in the beginning and 123.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 16:09:41,833 INFO L158 Benchmark]: RCFGBuilder took 26337.05ms. Allocated memory was 211.8MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 123.1MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-16 16:09:41,834 INFO L158 Benchmark]: TraceAbstraction took 657.75ms. Allocated memory is still 6.7GB. Free memory was 5.7GB in the beginning and 5.6GB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-16 16:09:41,834 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 6.7GB. Free memory is still 5.6GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:09:41,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 95.8MB in the beginning and 95.7MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1070.85ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 75.8MB in the beginning and 171.6MB in the end (delta: -95.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 242.78ms. Allocated memory is still 211.8MB. Free memory was 171.6MB in the beginning and 140.1MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 203.92ms. Allocated memory is still 211.8MB. Free memory was 140.1MB in the beginning and 123.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 26337.05ms. Allocated memory was 211.8MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 123.1MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * TraceAbstraction took 657.75ms. Allocated memory is still 6.7GB. Free memory was 5.7GB in the beginning and 5.6GB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 6.7GB. Free memory is still 5.6GB. 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 263, overapproximation of bitwiseAnd at line 218. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_26 = 0; [L39] const SORT_2 var_97 = 0; [L40] const SORT_2 var_103 = 2; [L41] const SORT_2 var_105 = 1; [L42] const SORT_3 var_112 = 0; [L43] const SORT_4 var_114 = 1; [L44] const SORT_2 var_127 = 255; [L45] const SORT_4 var_413 = 0; [L47] SORT_1 input_102; [L48] SORT_1 input_104; [L49] SORT_1 input_106; [L50] SORT_1 input_111; [L51] SORT_1 input_117; [L52] SORT_1 input_123; [L53] SORT_1 input_126; [L54] SORT_1 input_131; [L55] SORT_1 input_135; [L56] SORT_1 input_139; [L57] SORT_1 input_151; [L58] SORT_1 input_155; [L59] SORT_1 input_160; [L60] SORT_1 input_164; [L61] SORT_1 input_170; [L62] SORT_1 input_174; [L63] SORT_1 input_179; [L64] SORT_1 input_183; [L65] SORT_1 input_189; [L66] SORT_1 input_193; [L67] SORT_1 input_198; [L68] SORT_1 input_202; [L69] SORT_1 input_229; [L70] SORT_1 input_269; [L71] SORT_1 input_271; [L72] SORT_1 input_276; [L73] SORT_1 input_278; [L74] SORT_1 input_283; [L75] SORT_1 input_285; [L76] SORT_1 input_289; [L77] SORT_1 input_292; [L79] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_7_arg_1 = var_5; [L126] state_6 = init_7_arg_1 [L127] SORT_2 init_9_arg_1 = var_5; [L128] state_8 = init_9_arg_1 [L129] SORT_2 init_11_arg_1 = var_5; [L130] state_10 = init_11_arg_1 [L131] SORT_2 init_13_arg_1 = var_5; [L132] state_12 = init_13_arg_1 [L133] SORT_2 init_15_arg_1 = var_5; [L134] state_14 = init_15_arg_1 [L135] SORT_2 init_17_arg_1 = var_5; [L136] state_16 = init_17_arg_1 [L137] SORT_2 init_19_arg_1 = var_5; [L138] state_18 = init_19_arg_1 [L139] SORT_2 init_21_arg_1 = var_5; [L140] state_20 = init_21_arg_1 [L141] SORT_2 init_23_arg_1 = var_5; [L142] state_22 = init_23_arg_1 [L143] SORT_2 init_25_arg_1 = var_5; [L144] state_24 = init_25_arg_1 [L145] SORT_1 init_28_arg_1 = var_26; [L146] state_27 = init_28_arg_1 [L147] SORT_1 init_30_arg_1 = var_26; [L148] state_29 = init_30_arg_1 [L149] SORT_1 init_32_arg_1 = var_26; [L150] state_31 = init_32_arg_1 [L151] SORT_1 init_34_arg_1 = var_26; [L152] state_33 = init_34_arg_1 [L153] SORT_1 init_36_arg_1 = var_26; [L154] state_35 = init_36_arg_1 [L155] SORT_1 init_38_arg_1 = var_26; [L156] state_37 = init_38_arg_1 [L157] SORT_1 init_40_arg_1 = var_26; [L158] state_39 = init_40_arg_1 [L159] SORT_1 init_42_arg_1 = var_26; [L160] state_41 = init_42_arg_1 [L161] SORT_1 init_44_arg_1 = var_26; [L162] state_43 = init_44_arg_1 [L163] SORT_1 init_46_arg_1 = var_26; [L164] state_45 = init_46_arg_1 [L165] SORT_1 init_48_arg_1 = var_26; [L166] state_47 = init_48_arg_1 [L167] SORT_1 init_50_arg_1 = var_26; [L168] state_49 = init_50_arg_1 [L169] SORT_1 init_52_arg_1 = var_26; [L170] state_51 = init_52_arg_1 [L171] SORT_1 init_54_arg_1 = var_26; [L172] state_53 = init_54_arg_1 [L173] SORT_1 init_56_arg_1 = var_26; [L174] state_55 = init_56_arg_1 [L175] SORT_1 init_58_arg_1 = var_26; [L176] state_57 = init_58_arg_1 [L177] SORT_1 init_60_arg_1 = var_26; [L178] state_59 = init_60_arg_1 [L179] SORT_1 init_62_arg_1 = var_26; [L180] state_61 = init_62_arg_1 [L181] SORT_1 init_64_arg_1 = var_26; [L182] state_63 = init_64_arg_1 [L183] SORT_1 init_66_arg_1 = var_26; [L184] state_65 = init_66_arg_1 [L185] SORT_1 init_68_arg_1 = var_26; [L186] state_67 = init_68_arg_1 [L187] SORT_1 init_70_arg_1 = var_26; [L188] state_69 = init_70_arg_1 [L189] SORT_1 init_72_arg_1 = var_26; [L190] state_71 = init_72_arg_1 [L191] SORT_1 init_74_arg_1 = var_26; [L192] state_73 = init_74_arg_1 [L193] SORT_1 init_76_arg_1 = var_26; [L194] state_75 = init_76_arg_1 [L195] SORT_1 init_78_arg_1 = var_26; [L196] state_77 = init_78_arg_1 [L197] SORT_1 init_80_arg_1 = var_26; [L198] state_79 = init_80_arg_1 [L199] SORT_1 init_82_arg_1 = var_26; [L200] state_81 = init_82_arg_1 [L201] SORT_1 init_84_arg_1 = var_26; [L202] state_83 = init_84_arg_1 [L203] SORT_1 init_86_arg_1 = var_26; [L204] state_85 = init_86_arg_1 [L205] SORT_1 init_88_arg_1 = var_26; [L206] state_87 = init_88_arg_1 [L207] SORT_1 init_90_arg_1 = var_26; [L208] state_89 = init_90_arg_1 [L209] SORT_1 init_92_arg_1 = var_26; [L210] state_91 = init_92_arg_1 [L211] SORT_1 init_94_arg_1 = var_26; [L212] state_93 = init_94_arg_1 [L213] SORT_1 init_96_arg_1 = var_26; [L214] state_95 = init_96_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, var_103=2, var_105=1, var_112=0, var_114=1, var_127=255, var_26=0, var_413=0, var_5=0, var_97=0] [L217] input_102 = __VERIFIER_nondet_uchar() [L218] input_102 = input_102 & mask_SORT_1 [L219] input_104 = __VERIFIER_nondet_uchar() [L220] input_104 = input_104 & mask_SORT_1 [L221] input_106 = __VERIFIER_nondet_uchar() [L222] input_106 = input_106 & mask_SORT_1 [L223] input_111 = __VERIFIER_nondet_uchar() [L224] input_111 = input_111 & mask_SORT_1 [L225] input_117 = __VERIFIER_nondet_uchar() [L226] input_117 = input_117 & mask_SORT_1 [L227] input_123 = __VERIFIER_nondet_uchar() [L228] input_123 = input_123 & mask_SORT_1 [L229] input_126 = __VERIFIER_nondet_uchar() [L230] input_126 = input_126 & mask_SORT_1 [L231] input_131 = __VERIFIER_nondet_uchar() [L232] input_131 = input_131 & mask_SORT_1 [L233] input_135 = __VERIFIER_nondet_uchar() [L234] input_135 = input_135 & mask_SORT_1 [L235] input_139 = __VERIFIER_nondet_uchar() [L236] input_139 = input_139 & mask_SORT_1 [L237] input_151 = __VERIFIER_nondet_uchar() [L238] input_155 = __VERIFIER_nondet_uchar() [L239] input_160 = __VERIFIER_nondet_uchar() [L240] input_164 = __VERIFIER_nondet_uchar() [L241] input_170 = __VERIFIER_nondet_uchar() [L242] input_174 = __VERIFIER_nondet_uchar() [L243] input_179 = __VERIFIER_nondet_uchar() [L244] input_183 = __VERIFIER_nondet_uchar() [L245] input_189 = __VERIFIER_nondet_uchar() [L246] input_193 = __VERIFIER_nondet_uchar() [L247] input_198 = __VERIFIER_nondet_uchar() [L248] input_202 = __VERIFIER_nondet_uchar() [L249] input_229 = __VERIFIER_nondet_uchar() [L250] input_269 = __VERIFIER_nondet_uchar() [L251] input_271 = __VERIFIER_nondet_uchar() [L252] input_276 = __VERIFIER_nondet_uchar() [L253] input_278 = __VERIFIER_nondet_uchar() [L254] input_283 = __VERIFIER_nondet_uchar() [L255] input_285 = __VERIFIER_nondet_uchar() [L256] input_289 = __VERIFIER_nondet_uchar() [L257] input_292 = __VERIFIER_nondet_uchar() [L260] SORT_2 var_98_arg_0 = var_97; [L261] SORT_2 var_98_arg_1 = state_6; [L262] SORT_1 var_98 = var_98_arg_0 == var_98_arg_1; [L263] SORT_1 var_99_arg_0 = ~state_95; [L264] var_99_arg_0 = var_99_arg_0 & mask_SORT_1 [L265] SORT_1 var_99_arg_1 = var_98; [L266] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L267] var_99 = var_99 & mask_SORT_1 [L268] SORT_1 bad_100_arg_0 = var_99; [L269] CALL __VERIFIER_assert(!(bad_100_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: 0.5s, 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 [2022-11-16 16:09:41,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0 --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 1b31a336d16c5f2a8b580814d36771ebbf64ed76da99fabf7e9e8eab5ef89ade --- 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-e04fb08 [2022-11-16 16:09:44,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:09:44,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:09:44,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:09:44,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:09:44,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:09:44,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:09:44,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:09:44,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:09:44,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:09:44,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:09:44,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:09:44,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:09:44,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:09:44,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:09:44,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:09:44,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:09:44,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:09:44,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:09:44,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:09:44,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:09:44,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:09:44,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:09:44,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:09:44,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:09:44,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:09:44,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:09:44,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:09:44,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:09:44,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:09:44,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:09:44,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:09:44,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:09:44,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:09:44,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:09:44,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:09:44,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:09:44,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:09:44,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:09:44,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:09:44,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:09:44,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 16:09:44,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:09:44,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:09:44,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:09:44,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:09:44,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:09:44,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:09:44,341 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:09:44,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:09:44,341 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:09:44,341 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:09:44,343 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:09:44,343 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:09:44,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:09:44,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:09:44,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:09:44,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:09:44,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:09:44,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 16:09:44,346 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 16:09:44,346 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 16:09:44,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:09:44,346 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:09:44,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:09:44,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:09:44,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 16:09:44,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:09:44,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:09:44,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:09:44,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:09:44,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:09:44,348 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 16:09:44,348 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 16:09:44,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:09:44,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:09:44,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 16:09:44,350 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_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31a336d16c5f2a8b580814d36771ebbf64ed76da99fabf7e9e8eab5ef89ade [2022-11-16 16:09:44,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:09:44,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:09:44,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:09:44,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:09:44,744 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:09:44,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-16 16:09:44,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/9a85149ee/a1772a69849c4d08adc7ebcd7bb55e07/FLAGc6d1b774c [2022-11-16 16:09:45,558 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:09:45,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-16 16:09:45,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/9a85149ee/a1772a69849c4d08adc7ebcd7bb55e07/FLAGc6d1b774c [2022-11-16 16:09:45,747 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/data/9a85149ee/a1772a69849c4d08adc7ebcd7bb55e07 [2022-11-16 16:09:45,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:09:45,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:09:45,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:09:45,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:09:45,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:09:45,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:09:45" (1/1) ... [2022-11-16 16:09:45,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40563d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:45, skipping insertion in model container [2022-11-16 16:09:45,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:09:45" (1/1) ... [2022-11-16 16:09:45,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:09:45,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:09:46,002 WARN L229 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_f6768956-5ae3-4dbc-9142-457715948515/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-16 16:09:46,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:09:46,460 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:09:46,471 WARN L229 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_f6768956-5ae3-4dbc-9142-457715948515/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-16 16:09:46,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:09:46,617 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:09:46,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46 WrapperNode [2022-11-16 16:09:46,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:09:46,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:09:46,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:09:46,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:09:46,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,777 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2134 [2022-11-16 16:09:46,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:09:46,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:09:46,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:09:46,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:09:46,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,891 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:09:46,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:09:46,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:09:46,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:09:46,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (1/1) ... [2022-11-16 16:09:46,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:09:46,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:09:46,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:09:47,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:09:47,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:09:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:09:47,589 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:09:47,591 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:09:51,201 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:09:51,212 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:09:51,212 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 16:09:51,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:09:51 BoogieIcfgContainer [2022-11-16 16:09:51,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:09:51,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:09:51,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:09:51,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:09:51,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:09:45" (1/3) ... [2022-11-16 16:09:51,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f98806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:09:51, skipping insertion in model container [2022-11-16 16:09:51,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:46" (2/3) ... [2022-11-16 16:09:51,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f98806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:09:51, skipping insertion in model container [2022-11-16 16:09:51,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:09:51" (3/3) ... [2022-11-16 16:09:51,226 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-16 16:09:51,246 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:09:51,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 16:09:51,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:09:51,323 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;@ba609fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:09:51,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 16:09:51,327 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) [2022-11-16 16:09:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 16:09:51,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:09:51,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 16:09:51,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 16:09:51,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:09:51,341 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 16:09:51,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 16:09:51,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [878509792] [2022-11-16 16:09:51,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:09:51,357 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 [2022-11-16 16:09:51,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 16:09:51,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/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) [2022-11-16 16:09:51,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:09:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:09:51,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 16:09:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 16:09:52,405 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-16 16:09:52,407 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 16:09:52,408 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 16:09:52,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/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)] Ended with exit code 0 [2022-11-16 16:09:52,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/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 [2022-11-16 16:09:52,631 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 16:09:52,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:09:52,680 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 16:09:52,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:09:52 BoogieIcfgContainer [2022-11-16 16:09:52,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:09:52,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:09:52,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:09:52,706 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:09:52,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:09:51" (3/4) ... [2022-11-16 16:09:52,708 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 16:09:52,727 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 16:09:52,812 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:09:52,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:09:52,813 INFO L158 Benchmark]: Toolchain (without parser) took 7062.81ms. Allocated memory was 67.1MB in the beginning and 237.0MB in the end (delta: 169.9MB). Free memory was 44.6MB in the beginning and 119.7MB in the end (delta: -75.1MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2022-11-16 16:09:52,813 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:09:52,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.71ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 44.5MB in the beginning and 42.8MB in the end (delta: 1.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-11-16 16:09:52,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.92ms. Allocated memory is still 90.2MB. Free memory was 42.8MB in the beginning and 48.8MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 16:09:52,815 INFO L158 Benchmark]: Boogie Preprocessor took 151.34ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 39.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 16:09:52,815 INFO L158 Benchmark]: RCFGBuilder took 4285.03ms. Allocated memory was 90.2MB in the beginning and 237.0MB in the end (delta: 146.8MB). Free memory was 38.7MB in the beginning and 66.9MB in the end (delta: -28.2MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. [2022-11-16 16:09:52,815 INFO L158 Benchmark]: TraceAbstraction took 1484.61ms. Allocated memory is still 237.0MB. Free memory was 65.9MB in the beginning and 126.1MB in the end (delta: -60.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:09:52,816 INFO L158 Benchmark]: Witness Printer took 107.26ms. Allocated memory is still 237.0MB. Free memory was 126.1MB in the beginning and 119.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 16:09:52,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.71ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 44.5MB in the beginning and 42.8MB in the end (delta: 1.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.92ms. Allocated memory is still 90.2MB. Free memory was 42.8MB in the beginning and 48.8MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.34ms. Allocated memory is still 90.2MB. Free memory was 48.8MB in the beginning and 39.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4285.03ms. Allocated memory was 90.2MB in the beginning and 237.0MB in the end (delta: 146.8MB). Free memory was 38.7MB in the beginning and 66.9MB in the end (delta: -28.2MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1484.61ms. Allocated memory is still 237.0MB. Free memory was 65.9MB in the beginning and 126.1MB in the end (delta: -60.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 107.26ms. Allocated memory is still 237.0MB. Free memory was 126.1MB in the beginning and 119.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_26 = 0; [L39] const SORT_2 var_97 = 0; [L40] const SORT_2 var_103 = 2; [L41] const SORT_2 var_105 = 1; [L42] const SORT_3 var_112 = 0; [L43] const SORT_4 var_114 = 1; [L44] const SORT_2 var_127 = 255; [L45] const SORT_4 var_413 = 0; [L47] SORT_1 input_102; [L48] SORT_1 input_104; [L49] SORT_1 input_106; [L50] SORT_1 input_111; [L51] SORT_1 input_117; [L52] SORT_1 input_123; [L53] SORT_1 input_126; [L54] SORT_1 input_131; [L55] SORT_1 input_135; [L56] SORT_1 input_139; [L57] SORT_1 input_151; [L58] SORT_1 input_155; [L59] SORT_1 input_160; [L60] SORT_1 input_164; [L61] SORT_1 input_170; [L62] SORT_1 input_174; [L63] SORT_1 input_179; [L64] SORT_1 input_183; [L65] SORT_1 input_189; [L66] SORT_1 input_193; [L67] SORT_1 input_198; [L68] SORT_1 input_202; [L69] SORT_1 input_229; [L70] SORT_1 input_269; [L71] SORT_1 input_271; [L72] SORT_1 input_276; [L73] SORT_1 input_278; [L74] SORT_1 input_283; [L75] SORT_1 input_285; [L76] SORT_1 input_289; [L77] SORT_1 input_292; [L79] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_7_arg_1 = var_5; [L126] state_6 = init_7_arg_1 [L127] SORT_2 init_9_arg_1 = var_5; [L128] state_8 = init_9_arg_1 [L129] SORT_2 init_11_arg_1 = var_5; [L130] state_10 = init_11_arg_1 [L131] SORT_2 init_13_arg_1 = var_5; [L132] state_12 = init_13_arg_1 [L133] SORT_2 init_15_arg_1 = var_5; [L134] state_14 = init_15_arg_1 [L135] SORT_2 init_17_arg_1 = var_5; [L136] state_16 = init_17_arg_1 [L137] SORT_2 init_19_arg_1 = var_5; [L138] state_18 = init_19_arg_1 [L139] SORT_2 init_21_arg_1 = var_5; [L140] state_20 = init_21_arg_1 [L141] SORT_2 init_23_arg_1 = var_5; [L142] state_22 = init_23_arg_1 [L143] SORT_2 init_25_arg_1 = var_5; [L144] state_24 = init_25_arg_1 [L145] SORT_1 init_28_arg_1 = var_26; [L146] state_27 = init_28_arg_1 [L147] SORT_1 init_30_arg_1 = var_26; [L148] state_29 = init_30_arg_1 [L149] SORT_1 init_32_arg_1 = var_26; [L150] state_31 = init_32_arg_1 [L151] SORT_1 init_34_arg_1 = var_26; [L152] state_33 = init_34_arg_1 [L153] SORT_1 init_36_arg_1 = var_26; [L154] state_35 = init_36_arg_1 [L155] SORT_1 init_38_arg_1 = var_26; [L156] state_37 = init_38_arg_1 [L157] SORT_1 init_40_arg_1 = var_26; [L158] state_39 = init_40_arg_1 [L159] SORT_1 init_42_arg_1 = var_26; [L160] state_41 = init_42_arg_1 [L161] SORT_1 init_44_arg_1 = var_26; [L162] state_43 = init_44_arg_1 [L163] SORT_1 init_46_arg_1 = var_26; [L164] state_45 = init_46_arg_1 [L165] SORT_1 init_48_arg_1 = var_26; [L166] state_47 = init_48_arg_1 [L167] SORT_1 init_50_arg_1 = var_26; [L168] state_49 = init_50_arg_1 [L169] SORT_1 init_52_arg_1 = var_26; [L170] state_51 = init_52_arg_1 [L171] SORT_1 init_54_arg_1 = var_26; [L172] state_53 = init_54_arg_1 [L173] SORT_1 init_56_arg_1 = var_26; [L174] state_55 = init_56_arg_1 [L175] SORT_1 init_58_arg_1 = var_26; [L176] state_57 = init_58_arg_1 [L177] SORT_1 init_60_arg_1 = var_26; [L178] state_59 = init_60_arg_1 [L179] SORT_1 init_62_arg_1 = var_26; [L180] state_61 = init_62_arg_1 [L181] SORT_1 init_64_arg_1 = var_26; [L182] state_63 = init_64_arg_1 [L183] SORT_1 init_66_arg_1 = var_26; [L184] state_65 = init_66_arg_1 [L185] SORT_1 init_68_arg_1 = var_26; [L186] state_67 = init_68_arg_1 [L187] SORT_1 init_70_arg_1 = var_26; [L188] state_69 = init_70_arg_1 [L189] SORT_1 init_72_arg_1 = var_26; [L190] state_71 = init_72_arg_1 [L191] SORT_1 init_74_arg_1 = var_26; [L192] state_73 = init_74_arg_1 [L193] SORT_1 init_76_arg_1 = var_26; [L194] state_75 = init_76_arg_1 [L195] SORT_1 init_78_arg_1 = var_26; [L196] state_77 = init_78_arg_1 [L197] SORT_1 init_80_arg_1 = var_26; [L198] state_79 = init_80_arg_1 [L199] SORT_1 init_82_arg_1 = var_26; [L200] state_81 = init_82_arg_1 [L201] SORT_1 init_84_arg_1 = var_26; [L202] state_83 = init_84_arg_1 [L203] SORT_1 init_86_arg_1 = var_26; [L204] state_85 = init_86_arg_1 [L205] SORT_1 init_88_arg_1 = var_26; [L206] state_87 = init_88_arg_1 [L207] SORT_1 init_90_arg_1 = var_26; [L208] state_89 = init_90_arg_1 [L209] SORT_1 init_92_arg_1 = var_26; [L210] state_91 = init_92_arg_1 [L211] SORT_1 init_94_arg_1 = var_26; [L212] state_93 = init_94_arg_1 [L213] SORT_1 init_96_arg_1 = var_26; [L214] state_95 = init_96_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, var_103=2, var_105=1, var_112=0, var_114=1, var_127=255, var_26=0, var_413=0, var_5=0, var_97=0] [L217] input_102 = __VERIFIER_nondet_uchar() [L218] input_102 = input_102 & mask_SORT_1 [L219] input_104 = __VERIFIER_nondet_uchar() [L220] input_104 = input_104 & mask_SORT_1 [L221] input_106 = __VERIFIER_nondet_uchar() [L222] input_106 = input_106 & mask_SORT_1 [L223] input_111 = __VERIFIER_nondet_uchar() [L224] input_111 = input_111 & mask_SORT_1 [L225] input_117 = __VERIFIER_nondet_uchar() [L226] input_117 = input_117 & mask_SORT_1 [L227] input_123 = __VERIFIER_nondet_uchar() [L228] input_123 = input_123 & mask_SORT_1 [L229] input_126 = __VERIFIER_nondet_uchar() [L230] input_126 = input_126 & mask_SORT_1 [L231] input_131 = __VERIFIER_nondet_uchar() [L232] input_131 = input_131 & mask_SORT_1 [L233] input_135 = __VERIFIER_nondet_uchar() [L234] input_135 = input_135 & mask_SORT_1 [L235] input_139 = __VERIFIER_nondet_uchar() [L236] input_139 = input_139 & mask_SORT_1 [L237] input_151 = __VERIFIER_nondet_uchar() [L238] input_155 = __VERIFIER_nondet_uchar() [L239] input_160 = __VERIFIER_nondet_uchar() [L240] input_164 = __VERIFIER_nondet_uchar() [L241] input_170 = __VERIFIER_nondet_uchar() [L242] input_174 = __VERIFIER_nondet_uchar() [L243] input_179 = __VERIFIER_nondet_uchar() [L244] input_183 = __VERIFIER_nondet_uchar() [L245] input_189 = __VERIFIER_nondet_uchar() [L246] input_193 = __VERIFIER_nondet_uchar() [L247] input_198 = __VERIFIER_nondet_uchar() [L248] input_202 = __VERIFIER_nondet_uchar() [L249] input_229 = __VERIFIER_nondet_uchar() [L250] input_269 = __VERIFIER_nondet_uchar() [L251] input_271 = __VERIFIER_nondet_uchar() [L252] input_276 = __VERIFIER_nondet_uchar() [L253] input_278 = __VERIFIER_nondet_uchar() [L254] input_283 = __VERIFIER_nondet_uchar() [L255] input_285 = __VERIFIER_nondet_uchar() [L256] input_289 = __VERIFIER_nondet_uchar() [L257] input_292 = __VERIFIER_nondet_uchar() [L260] SORT_2 var_98_arg_0 = var_97; [L261] SORT_2 var_98_arg_1 = state_6; [L262] SORT_1 var_98 = var_98_arg_0 == var_98_arg_1; [L263] SORT_1 var_99_arg_0 = ~state_95; [L264] var_99_arg_0 = var_99_arg_0 & mask_SORT_1 [L265] SORT_1 var_99_arg_1 = var_98; [L266] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L267] var_99 = var_99 & mask_SORT_1 [L268] SORT_1 bad_100_arg_0 = var_99; [L269] CALL __VERIFIER_assert(!(bad_100_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: 1.3s, 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=11occurred 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: 0.1s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 proved your program to be incorrect! [2022-11-16 16:09:52,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6768956-5ae3-4dbc-9142-457715948515/bin/utaipan-Xvt2sAort0/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