./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- 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 02:33:48,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:33:48,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:33:48,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:33:48,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:33:48,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:33:48,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:33:48,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:33:48,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:33:48,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:33:48,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:33:48,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:33:48,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:33:48,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:33:48,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:33:48,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:33:48,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:33:48,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:33:48,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:33:48,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:33:48,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:33:48,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:33:48,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:33:48,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:33:48,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:33:48,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:33:48,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:33:48,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:33:48,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:33:48,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:33:48,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:33:48,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:33:48,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:33:48,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:33:48,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:33:48,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:33:48,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:33:48,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:33:48,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:33:48,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:33:48,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:33:48,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:33:48,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:33:48,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:33:48,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:33:48,534 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:33:48,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:33:48,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:33:48,536 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:33:48,536 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:33:48,536 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:33:48,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:33:48,537 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:33:48,538 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:33:48,538 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:33:48,538 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:33:48,538 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:33:48,538 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:33:48,539 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:33:48,539 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:33:48,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:33:48,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:33:48,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:33:48,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:33:48,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:33:48,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:33:48,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:33:48,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:33:48,543 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:33:48,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:33:48,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:33:48,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:33:48,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:33:48,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:33:48,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:48,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:33:48,545 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:33:48,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:33:48,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:33:48,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:33:48,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:33:48,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:33:48,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:33:48,546 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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-11-03 02:33:48,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:33:48,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:33:48,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:33:48,962 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:33:48,963 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:33:48,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-03 02:33:49,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/4e83714b7/a13ae6bfece742219289dba70919f607/FLAG7add4ba9d [2022-11-03 02:33:49,456 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:33:49,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-03 02:33:49,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/4e83714b7/a13ae6bfece742219289dba70919f607/FLAG7add4ba9d [2022-11-03 02:33:49,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/4e83714b7/a13ae6bfece742219289dba70919f607 [2022-11-03 02:33:49,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:33:49,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:33:49,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:49,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:33:49,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:33:49,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5145c700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49, skipping insertion in model container [2022-11-03 02:33:49,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:33:49,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:33:49,749 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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-03 02:33:49,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:33:49,766 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:33:49,783 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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-03 02:33:49,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:33:49,797 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:33:49,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49 WrapperNode [2022-11-03 02:33:49,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:49,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:33:49,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:33:49,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:33:49,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,834 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-03 02:33:49,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:33:49,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:33:49,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:33:49,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:33:49,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,854 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:33:49,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:33:49,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:33:49,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:33:49,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (1/1) ... [2022-11-03 02:33:49,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:49,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:33:49,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:33:49,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:33:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:33:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:33:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:33:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:33:50,009 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:33:50,011 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:33:50,124 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:33:50,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:33:50,156 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:33:50,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:50 BoogieIcfgContainer [2022-11-03 02:33:50,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:33:50,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:33:50,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:33:50,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:33:50,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:33:49" (1/3) ... [2022-11-03 02:33:50,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f89ef83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:33:50, skipping insertion in model container [2022-11-03 02:33:50,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:49" (2/3) ... [2022-11-03 02:33:50,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f89ef83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:33:50, skipping insertion in model container [2022-11-03 02:33:50,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:50" (3/3) ... [2022-11-03 02:33:50,169 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-11-03 02:33:50,188 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:33:50,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:33:50,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:33:50,257 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;@4d7fe204, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:33:50,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:33:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 02:33:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-03 02:33:50,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:50,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-03 02:33:50,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:50,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:50,280 INFO L85 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2022-11-03 02:33:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:50,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775500131] [2022-11-03 02:33:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:50,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:33:50,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:33:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:33:50,454 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:33:50,458 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:33:50,459 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:33:50,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:33:50,467 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:33:50,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:33:50,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:33:50 BoogieIcfgContainer [2022-11-03 02:33:50,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:33:50,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:33:50,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:33:50,493 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:33:50,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:50" (3/4) ... [2022-11-03 02:33:50,497 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:33:50,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:33:50,500 INFO L158 Benchmark]: Toolchain (without parser) took 1018.40ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 49.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-11-03 02:33:50,501 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:33:50,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.62ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 76.0MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:33:50,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.82ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 74.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:33:50,504 INFO L158 Benchmark]: Boogie Preprocessor took 20.51ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:33:50,509 INFO L158 Benchmark]: RCFGBuilder took 301.16ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 64.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:33:50,510 INFO L158 Benchmark]: TraceAbstraction took 330.07ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 50.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:33:50,511 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 49.6MB in the end (delta: 415.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:33:50,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.62ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 76.0MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.82ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 74.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.51ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 73.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.16ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 64.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 330.07ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 50.1MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 49.6MB in the end (delta: 415.6kB). 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: 14]: 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 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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=6occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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 02:33:50,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- 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 02:33:52,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:33:52,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:33:52,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:33:52,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:33:52,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:33:52,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:33:52,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:33:52,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:33:53,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:33:53,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:33:53,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:33:53,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:33:53,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:33:53,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:33:53,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:33:53,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:33:53,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:33:53,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:33:53,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:33:53,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:33:53,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:33:53,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:33:53,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:33:53,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:33:53,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:33:53,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:33:53,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:33:53,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:33:53,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:33:53,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:33:53,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:33:53,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:33:53,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:33:53,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:33:53,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:33:53,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:33:53,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:33:53,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:33:53,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:33:53,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:33:53,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 02:33:53,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:33:53,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:33:53,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:33:53,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:33:53,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:33:53,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:33:53,114 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:33:53,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:33:53,115 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:33:53,115 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:33:53,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:33:53,116 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:33:53,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:33:53,118 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:33:53,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:33:53,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:33:53,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:33:53,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:33:53,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:33:53,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:33:53,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:33:53,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:33:53,120 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:33:53,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:33:53,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:33:53,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:33:53,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:33:53,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:33:53,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:33:53,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:53,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:33:53,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:33:53,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:33:53,123 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:33:53,124 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:33:53,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:33:53,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:33:53,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:33:53,125 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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-11-03 02:33:53,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:33:53,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:33:53,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:33:53,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:33:53,557 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:33:53,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-03 02:33:53,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/858ec734e/3c2c3de6dc4b48e9b41b63fbc4eaca87/FLAG0063c8365 [2022-11-03 02:33:54,054 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:33:54,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-11-03 02:33:54,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/858ec734e/3c2c3de6dc4b48e9b41b63fbc4eaca87/FLAG0063c8365 [2022-11-03 02:33:54,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/data/858ec734e/3c2c3de6dc4b48e9b41b63fbc4eaca87 [2022-11-03 02:33:54,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:33:54,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:33:54,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:54,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:33:54,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:33:54,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f2585d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54, skipping insertion in model container [2022-11-03 02:33:54,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:33:54,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:33:54,688 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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-03 02:33:54,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:33:54,731 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:33:54,763 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_c76b4c97-9c37-4ab0-a099-c2e0057681cd/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-11-03 02:33:54,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:33:54,779 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:33:54,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54 WrapperNode [2022-11-03 02:33:54,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:54,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:33:54,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:33:54,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:33:54,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,818 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-03 02:33:54,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:33:54,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:33:54,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:33:54,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:33:54,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:33:54,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:33:54,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:33:54,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:33:54,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (1/1) ... [2022-11-03 02:33:54,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:54,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:33:54,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:33:54,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:33:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:33:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:33:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:33:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:33:54,987 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:33:54,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:33:55,100 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:33:55,105 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:33:55,105 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:33:55,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:55 BoogieIcfgContainer [2022-11-03 02:33:55,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:33:55,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:33:55,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:33:55,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:33:55,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:33:54" (1/3) ... [2022-11-03 02:33:55,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbab2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:33:55, skipping insertion in model container [2022-11-03 02:33:55,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:54" (2/3) ... [2022-11-03 02:33:55,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbab2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:33:55, skipping insertion in model container [2022-11-03 02:33:55,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:55" (3/3) ... [2022-11-03 02:33:55,119 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-11-03 02:33:55,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:33:55,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:33:55,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:33:55,213 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;@313851b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:33:55,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:33:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 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 02:33:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 02:33:55,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:55,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 02:33:55,227 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:55,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:55,234 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-03 02:33:55,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:33:55,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343709994] [2022-11-03 02:33:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:55,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:33:55,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:33:55,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:33:55,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:33:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:33:55,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:33:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:33:55,363 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 02:33:55,365 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:33:55,366 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:33:55,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:33:55,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:33:55,582 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:33:55,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:33:55,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:33:55 BoogieIcfgContainer [2022-11-03 02:33:55,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:33:55,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:33:55,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:33:55,600 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:33:55,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:55" (3/4) ... [2022-11-03 02:33:55,603 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:33:55,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:33:55,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:33:55,634 INFO L158 Benchmark]: Toolchain (without parser) took 1161.41ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 47.4MB in the end (delta: 2.0MB). Peak memory consumption was 391.8kB. Max. memory is 16.1GB. [2022-11-03 02:33:55,634 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:33:55,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.52ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 51.1MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:33:55,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.32ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 49.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:33:55,636 INFO L158 Benchmark]: Boogie Preprocessor took 21.79ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 48.6MB in the end (delta: 924.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:33:55,636 INFO L158 Benchmark]: RCFGBuilder took 264.88ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 39.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:33:55,637 INFO L158 Benchmark]: TraceAbstraction took 490.84ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 49.2MB in the end (delta: -9.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-03 02:33:55,637 INFO L158 Benchmark]: Witness Printer took 32.73ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 47.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:33:55,640 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 69.2MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.52ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 51.1MB in the end (delta: -1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.32ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 49.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.79ms. Allocated memory is still 69.2MB. Free memory was 49.5MB in the beginning and 48.6MB in the end (delta: 924.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.88ms. Allocated memory is still 69.2MB. Free memory was 48.6MB in the beginning and 39.9MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 490.84ms. Allocated memory is still 69.2MB. Free memory was 39.3MB in the beginning and 49.2MB in the end (delta: -9.9MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 32.73ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 47.4MB in the end (delta: 1.9MB). 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 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 0.0s 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 proved your program to be incorrect! [2022-11-03 02:33:55,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76b4c97-9c37-4ab0-a099-c2e0057681cd/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