./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/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_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 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-5e519f3 [2022-11-03 02:36:07,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:36:07,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:36:07,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:36:07,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:36:07,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:36:07,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:36:07,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:36:07,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:36:07,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:36:07,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:36:07,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:36:07,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:36:07,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:36:07,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:36:07,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:36:07,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:36:07,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:36:07,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:36:07,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:36:07,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:36:07,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:36:07,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:36:07,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:36:07,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:36:07,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:36:07,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:36:07,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:36:07,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:36:07,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:36:07,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:36:07,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:36:07,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:36:07,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:36:07,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:36:07,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:36:07,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:36:07,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:36:07,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:36:07,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:36:07,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:36:07,897 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:36:07,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:36:07,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:36:07,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:36:07,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:36:07,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:36:07,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:36:07,924 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:36:07,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:36:07,925 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:36:07,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:36:07,925 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:36:07,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:36:07,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:36:07,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:36:07,926 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:36:07,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:36:07,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:36:07,927 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:36:07,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:36:07,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:36:07,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:36:07,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:36:07,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:36:07,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:36:07,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:36:07,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:36:07,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:36:07,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:36:07,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:36:07,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:36:07,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:36:07,931 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:36:07,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:36:07,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:36:07,932 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:36:07,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:36:07,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:36:07,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:36:07,933 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_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31a336d16c5f2a8b580814d36771ebbf64ed76da99fabf7e9e8eab5ef89ade [2022-11-03 02:36:08,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:36:08,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:36:08,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:36:08,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:36:08,343 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:36:08,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-03 02:36:08,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/f6865c22e/85d87e68ccf84b68b6124ace43d64b4a/FLAG0dce702b6 [2022-11-03 02:36:09,078 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:36:09,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-03 02:36:09,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/f6865c22e/85d87e68ccf84b68b6124ace43d64b4a/FLAG0dce702b6 [2022-11-03 02:36:09,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/f6865c22e/85d87e68ccf84b68b6124ace43d64b4a [2022-11-03 02:36:09,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:36:09,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:36:09,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:36:09,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:36:09,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:36:09,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:36:09" (1/1) ... [2022-11-03 02:36:09,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c20aa47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:09, skipping insertion in model container [2022-11-03 02:36:09,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:36:09" (1/1) ... [2022-11-03 02:36:09,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:36:09,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:36:09,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-03 02:36:10,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:36:10,243 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:36:10,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-03 02:36:10,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:36:10,508 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:36:10,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10 WrapperNode [2022-11-03 02:36:10,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:36:10,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:36:10,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:36:10,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:36:10,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:10,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,006 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2198 [2022-11-03 02:36:11,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:36:11,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:36:11,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:36:11,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:36:11,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,350 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:36:11,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:36:11,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:36:11,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:36:11,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (1/1) ... [2022-11-03 02:36:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:36:11,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:36:11,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:36:11,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:36:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:36:11,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:36:12,176 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:36:12,178 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:50:04,995 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:50:30,484 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:50:30,484 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:50:30,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:30 BoogieIcfgContainer [2022-11-03 02:50:30,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:50:30,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:50:30,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:50:30,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:50:30,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:36:09" (1/3) ... [2022-11-03 02:50:30,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273a9d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:50:30, skipping insertion in model container [2022-11-03 02:50:30,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:36:10" (2/3) ... [2022-11-03 02:50:30,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273a9d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:50:30, skipping insertion in model container [2022-11-03 02:50:30,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:30" (3/3) ... [2022-11-03 02:50:30,494 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-03 02:50:30,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:50:30,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:50:30,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:50:30,565 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;@45e7488b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:50:30,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:50:30,574 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) [2022-11-03 02:50:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 02:50:30,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:30,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 02:50:30,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:30,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:30,591 INFO L85 PathProgramCache]: Analyzing trace with hash 5134080, now seen corresponding path program 1 times [2022-11-03 02:50:30,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:30,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103635898] [2022-11-03 02:50:30,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:30,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:50:30,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:50:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:50:31,211 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:50:31,218 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:50:31,220 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:50:31,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:50:31,227 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:50:31,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:50:31,275 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 02:50:31,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:50:31 BoogieIcfgContainer [2022-11-03 02:50:31,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:50:31,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:50:31,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:50:31,297 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:50:31,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:30" (3/4) ... [2022-11-03 02:50:31,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:50:31,301 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:50:31,303 INFO L158 Benchmark]: Toolchain (without parser) took 862024.91ms. Allocated memory was 111.1MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 69.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 622.2MB. Max. memory is 16.1GB. [2022-11-03 02:50:31,304 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:50:31,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1231.18ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 52.4MB in the end (delta: 17.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2022-11-03 02:50:31,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 496.11ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 52.4MB in the beginning and 78.8MB in the end (delta: -26.4MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2022-11-03 02:50:31,313 INFO L158 Benchmark]: Boogie Preprocessor took 433.73ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 62.9MB in the end (delta: 15.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-03 02:50:31,313 INFO L158 Benchmark]: RCFGBuilder took 859043.91ms. Allocated memory was 148.9MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 62.9MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-03 02:50:31,315 INFO L158 Benchmark]: TraceAbstraction took 807.57ms. Allocated memory is still 2.6GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-03 02:50:31,315 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 2.6GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:50:31,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1231.18ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 52.4MB in the end (delta: 17.1MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 496.11ms. Allocated memory was 111.1MB in the beginning and 148.9MB in the end (delta: 37.7MB). Free memory was 52.4MB in the beginning and 78.8MB in the end (delta: -26.4MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 433.73ms. Allocated memory is still 148.9MB. Free memory was 78.8MB in the beginning and 62.9MB in the end (delta: 15.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * RCFGBuilder took 859043.91ms. Allocated memory was 148.9MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 62.9MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * TraceAbstraction took 807.57ms. Allocated memory is still 2.6GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 2.6GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 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: 0.7s, 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, 0.2s 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 [2022-11-03 02:50:31,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/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_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 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-5e519f3 [2022-11-03 02:50:33,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:50:33,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:50:33,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:50:33,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:50:33,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:50:33,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:50:33,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:50:33,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:50:33,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:50:33,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:50:33,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:50:33,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:50:33,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:50:33,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:50:33,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:50:33,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:50:33,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:50:33,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:50:33,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:50:33,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:50:33,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:50:33,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:50:33,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:50:33,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:50:33,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:50:33,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:50:33,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:50:33,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:50:33,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:50:33,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:50:33,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:50:33,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:50:33,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:50:33,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:50:33,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:50:33,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:50:33,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:50:33,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:50:33,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:50:33,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:50:33,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:50:33,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:50:33,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:50:33,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:50:33,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:50:33,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:50:33,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:50:33,776 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:50:33,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:50:33,776 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:50:33,776 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:50:33,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:50:33,777 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:50:33,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:50:33,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:50:33,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:50:33,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:50:33,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:50:33,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:50:33,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:50:33,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:50:33,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:50:33,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:50:33,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:50:33,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:50:33,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:50:33,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:50:33,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:50:33,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:50:33,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:50:33,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:50:33,782 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:50:33,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:50:33,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:50:33,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:50:33,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:50:33,787 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_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b31a336d16c5f2a8b580814d36771ebbf64ed76da99fabf7e9e8eab5ef89ade [2022-11-03 02:50:34,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:50:34,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:50:34,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:50:34,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:50:34,185 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:50:34,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-03 02:50:34,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/cd723683f/81e34272467f4e3788e3bd5e50e77a0e/FLAGa4c18dc54 [2022-11-03 02:50:34,992 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:50:34,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-03 02:50:35,007 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/cd723683f/81e34272467f4e3788e3bd5e50e77a0e/FLAGa4c18dc54 [2022-11-03 02:50:35,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/data/cd723683f/81e34272467f4e3788e3bd5e50e77a0e [2022-11-03 02:50:35,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:50:35,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:50:35,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:50:35,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:50:35,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:50:35,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:50:35" (1/1) ... [2022-11-03 02:50:35,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ff7d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:35, skipping insertion in model container [2022-11-03 02:50:35,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:50:35" (1/1) ... [2022-11-03 02:50:35,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:50:35,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:50:35,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-03 02:50:35,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:50:35,877 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:50:35,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.1.prop1-func-interl.c[1014,1027] [2022-11-03 02:50:36,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:50:36,104 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:50:36,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36 WrapperNode [2022-11-03 02:50:36,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:50:36,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:50:36,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:50:36,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:50:36,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,304 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2198 [2022-11-03 02:50:36,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:50:36,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:50:36,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:50:36,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:50:36,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,419 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:50:36,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:50:36,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:50:36,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:50:36,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (1/1) ... [2022-11-03 02:50:36,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:50:36,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:50:36,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:50:36,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:50:36,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:50:36,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:50:37,144 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:50:37,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:50:41,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:50:41,047 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:50:41,047 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:50:41,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:41 BoogieIcfgContainer [2022-11-03 02:50:41,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:50:41,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:50:41,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:50:41,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:50:41,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:50:35" (1/3) ... [2022-11-03 02:50:41,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2bcaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:50:41, skipping insertion in model container [2022-11-03 02:50:41,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:50:36" (2/3) ... [2022-11-03 02:50:41,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f2bcaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:50:41, skipping insertion in model container [2022-11-03 02:50:41,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:41" (3/3) ... [2022-11-03 02:50:41,057 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.1.prop1-func-interl.c [2022-11-03 02:50:41,076 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:50:41,076 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:50:41,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:50:41,131 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;@6f4f2709, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:50:41,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:50:41,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 42 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 02:50:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:50:41,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:41,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:50:41,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:50:41,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-03 02:50:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:50:41,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490182575] [2022-11-03 02:50:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:41,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:50:41,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:50:41,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:50:41,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:50:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:50:41,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:50:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:50:42,292 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 02:50:42,294 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:50:42,295 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:50:42,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:50:42,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:50:42,523 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:50:42,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:50:42,567 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 02:50:42,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:50:42 BoogieIcfgContainer [2022-11-03 02:50:42,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:50:42,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:50:42,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:50:42,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:50:42,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:50:41" (3/4) ... [2022-11-03 02:50:42,596 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:50:42,614 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 02:50:42,692 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:50:42,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:50:42,694 INFO L158 Benchmark]: Toolchain (without parser) took 7505.66ms. Allocated memory was 56.6MB in the beginning and 237.0MB in the end (delta: 180.4MB). Free memory was 30.6MB in the beginning and 168.0MB in the end (delta: -137.4MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-11-03 02:50:42,695 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:50:42,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.44ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 30.4MB in the beginning and 36.0MB in the end (delta: -5.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-03 02:50:42,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.41ms. Allocated memory is still 77.6MB. Free memory was 36.0MB in the beginning and 35.1MB in the end (delta: 910.1kB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-03 02:50:42,696 INFO L158 Benchmark]: Boogie Preprocessor took 139.31ms. Allocated memory is still 77.6MB. Free memory was 35.1MB in the beginning and 34.9MB in the end (delta: 230.2kB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-03 02:50:42,696 INFO L158 Benchmark]: RCFGBuilder took 4604.13ms. Allocated memory was 77.6MB in the beginning and 237.0MB in the end (delta: 159.4MB). Free memory was 34.9MB in the beginning and 127.2MB in the end (delta: -92.3MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2022-11-03 02:50:42,697 INFO L158 Benchmark]: TraceAbstraction took 1537.82ms. Allocated memory is still 237.0MB. Free memory was 127.2MB in the beginning and 173.2MB in the end (delta: -46.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-03 02:50:42,697 INFO L158 Benchmark]: Witness Printer took 101.22ms. Allocated memory is still 237.0MB. Free memory was 173.2MB in the beginning and 168.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 02:50:42,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.44ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 30.4MB in the beginning and 36.0MB in the end (delta: -5.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.41ms. Allocated memory is still 77.6MB. Free memory was 36.0MB in the beginning and 35.1MB in the end (delta: 910.1kB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.31ms. Allocated memory is still 77.6MB. Free memory was 35.1MB in the beginning and 34.9MB in the end (delta: 230.2kB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * RCFGBuilder took 4604.13ms. Allocated memory was 77.6MB in the beginning and 237.0MB in the end (delta: 159.4MB). Free memory was 34.9MB in the beginning and 127.2MB in the end (delta: -92.3MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1537.82ms. Allocated memory is still 237.0MB. Free memory was 127.2MB in the beginning and 173.2MB in the end (delta: -46.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Witness Printer took 101.22ms. Allocated memory is still 237.0MB. Free memory was 173.2MB in the beginning and 168.0MB in the end (delta: 5.2MB). 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, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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! [2022-11-03 02:50:42,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ae429b2-3dc7-4d78-85b8-06bce8f6b668/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE