./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs --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 c45a2095b49f6777b86778952566dd983301d428 .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs --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 c45a2095b49f6777b86778952566dd983301d428 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:54:48,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:54:48,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:54:48,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:54:48,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:54:48,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:54:48,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:54:48,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:54:48,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:54:48,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:54:48,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:54:48,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:54:48,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:54:48,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:54:48,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:54:48,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:54:48,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:54:48,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:54:48,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:54:48,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:54:48,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:54:48,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:54:48,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:54:48,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:54:48,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:54:48,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:54:48,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:54:48,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:54:48,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:54:48,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:54:48,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:54:48,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:54:48,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:54:48,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:54:48,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:54:48,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:54:48,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:54:48,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:54:48,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:54:48,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:54:48,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:54:48,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:54:48,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:54:48,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:54:48,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:54:48,648 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:54:48,648 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:54:48,648 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:54:48,648 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:54:48,649 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:54:48,649 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:54:48,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:54:48,656 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:54:48,656 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:54:48,657 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:54:48,657 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:54:48,657 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:54:48,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:54:48,658 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:54:48,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:54:48,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:54:48,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:54:48,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:54:48,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:54:48,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:54:48,660 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:54:48,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:54:48,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:54:48,660 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:54:48,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:54:48,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:54:48,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:54:48,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:48,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:54:48,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:54:48,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:54:48,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:54:48,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:54:48,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:54:48,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:54:48,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:54:48,666 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2021-10-16 02:54:48,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:54:48,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:54:48,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:54:48,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:54:48,959 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:54:48,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-16 02:54:49,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/0dee20c37/da8074f2543547fa97fac6168ed07441/FLAG3f506979c [2021-10-16 02:54:49,584 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:54:49,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-16 02:54:49,591 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/0dee20c37/da8074f2543547fa97fac6168ed07441/FLAG3f506979c [2021-10-16 02:54:49,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/0dee20c37/da8074f2543547fa97fac6168ed07441 [2021-10-16 02:54:49,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:54:49,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:54:49,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:49,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:54:49,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:54:49,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:49" (1/1) ... [2021-10-16 02:54:49,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263a8edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:49, skipping insertion in model container [2021-10-16 02:54:49,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:49" (1/1) ... [2021-10-16 02:54:50,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:54:50,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:54:50,202 WARN L228 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_ff00c96c-9261-43ef-9f3f-e832306680c4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-16 02:54:50,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:50,220 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:54:50,233 WARN L228 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_ff00c96c-9261-43ef-9f3f-e832306680c4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-16 02:54:50,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:50,247 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:54:50,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50 WrapperNode [2021-10-16 02:54:50,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:50,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:50,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:54:50,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:54:50,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:50,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:54:50,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:54:50,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:54:50,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:54:50,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:54:50,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:54:50,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:54:50,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (1/1) ... [2021-10-16 02:54:50,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:50,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:54:50,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:54:50,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:54:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:54:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:54:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:54:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:54:50,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:54:50,566 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:54:50,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:50 BoogieIcfgContainer [2021-10-16 02:54:50,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:54:50,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:54:50,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:54:50,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:54:50,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:54:49" (1/3) ... [2021-10-16 02:54:50,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e72cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:50, skipping insertion in model container [2021-10-16 02:54:50,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:50" (2/3) ... [2021-10-16 02:54:50,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e72cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:50, skipping insertion in model container [2021-10-16 02:54:50,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:50" (3/3) ... [2021-10-16 02:54:50,577 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-16 02:54:50,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:54:50,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:54:50,629 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:54:50,636 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:54:50,637 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:54:50,650 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) [2021-10-16 02:54:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-16 02:54:50,654 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:54:50,655 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-16 02:54:50,655 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:54:50,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:54:50,661 INFO L82 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-10-16 02:54:50,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:54:50,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137451644] [2021-10-16 02:54:50,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:54:50,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:54:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:54:50,772 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:54:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:54:50,829 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:54:50,835 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:54:50,836 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:50,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:54:50,844 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:54:50,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:54:50 BoogieIcfgContainer [2021-10-16 02:54:50,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:54:50,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:54:50,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:54:50,868 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:54:50,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:50" (3/4) ... [2021-10-16 02:54:50,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:54:50,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:54:50,876 INFO L168 Benchmark]: Toolchain (without parser) took 889.00 ms. Allocated memory is still 113.2 MB. Free memory was 76.8 MB in the beginning and 62.1 MB in the end (delta: 14.6 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:50,878 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory was 83.0 MB in the beginning and 82.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:50,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.16 ms. Allocated memory is still 113.2 MB. Free memory was 76.5 MB in the beginning and 87.6 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:50,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 86.7 MB in the end (delta: 871.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:50,883 INFO L168 Benchmark]: Boogie Preprocessor took 19.15 ms. Allocated memory is still 113.2 MB. Free memory was 86.2 MB in the beginning and 85.6 MB in the end (delta: 561.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:50,884 INFO L168 Benchmark]: RCFGBuilder took 269.06 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 76.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:50,889 INFO L168 Benchmark]: TraceAbstraction took 293.26 ms. Allocated memory is still 113.2 MB. Free memory was 75.7 MB in the beginning and 62.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:50,891 INFO L168 Benchmark]: Witness Printer took 5.21 ms. Allocated memory is still 113.2 MB. Free memory was 62.6 MB in the beginning and 62.1 MB in the end (delta: 432.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:50,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 113.2 MB. Free memory was 83.0 MB in the beginning and 82.9 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.16 ms. Allocated memory is still 113.2 MB. Free memory was 76.5 MB in the beginning and 87.6 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 86.7 MB in the end (delta: 871.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.15 ms. Allocated memory is still 113.2 MB. Free memory was 86.2 MB in the beginning and 85.6 MB in the end (delta: 561.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 269.06 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 76.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 293.26 ms. Allocated memory is still 113.2 MB. Free memory was 75.7 MB in the beginning and 62.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.21 ms. Allocated memory is still 113.2 MB. Free memory was 62.6 MB in the beginning and 62.1 MB in the end (delta: 432.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 215.4ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 5.4ms SsaConstructionTime, 37.0ms SatisfiabilityAnalysisTime, 0.0ms 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 [2021-10-16 02:54:50,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:54:53,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:54:53,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:54:53,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:54:53,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:54:53,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:54:53,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:54:53,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:54:53,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:54:53,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:54:53,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:54:53,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:54:53,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:54:53,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:54:53,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:54:53,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:54:53,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:54:53,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:54:53,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:54:53,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:54:53,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:54:53,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:54:53,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:54:53,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:54:53,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:54:53,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:54:53,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:54:53,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:54:53,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:54:53,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:54:53,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:54:53,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:54:53,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:54:53,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:54:53,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:54:53,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:54:53,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:54:53,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:54:53,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:54:53,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:54:53,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:54:53,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:54:53,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:54:53,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:54:53,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:54:53,500 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:54:53,501 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:54:53,501 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:54:53,501 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:54:53,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:54:53,501 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:54:53,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:54:53,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:54:53,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:54:53,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:54:53,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:54:53,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:54:53,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:54:53,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:54:53,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:54:53,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:54:53,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:54:53,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:54:53,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:54:53,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:54:53,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:54:53,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:54:53,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:54:53,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:53,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:54:53,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:54:53,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:54:53,509 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:54:53,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:54:53,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:54:53,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:54:53,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:54:53,510 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_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45a2095b49f6777b86778952566dd983301d428 [2021-10-16 02:54:53,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:54:53,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:54:53,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:54:53,931 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:54:53,932 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:54:53,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-16 02:54:53,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/d1c2a87aa/400fbbb6c7b244828687f37dad4e593b/FLAGc304c7cb8 [2021-10-16 02:54:54,453 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:54:54,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-10-16 02:54:54,462 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/d1c2a87aa/400fbbb6c7b244828687f37dad4e593b/FLAGc304c7cb8 [2021-10-16 02:54:54,860 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/data/d1c2a87aa/400fbbb6c7b244828687f37dad4e593b [2021-10-16 02:54:54,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:54:54,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:54:54,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:54,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:54:54,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:54:54,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:54" (1/1) ... [2021-10-16 02:54:54,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402ec0c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:54, skipping insertion in model container [2021-10-16 02:54:54,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:54:54" (1/1) ... [2021-10-16 02:54:54,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:54:54,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:54:55,086 WARN L228 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_ff00c96c-9261-43ef-9f3f-e832306680c4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-16 02:54:55,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:55,118 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:54:55,136 WARN L228 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_ff00c96c-9261-43ef-9f3f-e832306680c4/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-10-16 02:54:55,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:54:55,171 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:54:55,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55 WrapperNode [2021-10-16 02:54:55,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:54:55,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:55,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:54:55,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:54:55,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:54:55,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:54:55,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:54:55,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:54:55,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:54:55,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:54:55,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:54:55,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:54:55,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (1/1) ... [2021-10-16 02:54:55,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:54:55,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:54:55,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:54:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:54:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:54:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:54:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:54:55,588 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:54:55,588 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:54:55,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:55 BoogieIcfgContainer [2021-10-16 02:54:55,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:54:55,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:54:55,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:54:55,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:54:55,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:54:54" (1/3) ... [2021-10-16 02:54:55,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ac2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:55, skipping insertion in model container [2021-10-16 02:54:55,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:54:55" (2/3) ... [2021-10-16 02:54:55,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ac2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:54:55, skipping insertion in model container [2021-10-16 02:54:55,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:55" (3/3) ... [2021-10-16 02:54:55,607 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-10-16 02:54:55,613 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:54:55,613 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:54:55,671 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:54:55,679 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:54:55,680 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:54:55,694 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) [2021-10-16 02:54:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-16 02:54:55,698 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:54:55,699 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-16 02:54:55,699 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:54:55,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:54:55,703 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-16 02:54:55,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:54:55,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944743994] [2021-10-16 02:54:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:54:55,717 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:54:55,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:54:55,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:54:55,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:54:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:54:55,816 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:54:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:54:55,880 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 02:54:55,882 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:54:55,883 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:54:55,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:54:56,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:54:56,101 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:54:56,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:54:56 BoogieIcfgContainer [2021-10-16 02:54:56,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:54:56,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:54:56,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:54:56,123 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:54:56,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:54:55" (3/4) ... [2021-10-16 02:54:56,125 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-16 02:54:56,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:54:56,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:54:56,176 INFO L168 Benchmark]: Toolchain (without parser) took 1305.50 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 43.4 MB in the beginning and 78.1 MB in the end (delta: -34.7 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:56,177 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:56,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.25 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 47.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:56,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.96 ms. Allocated memory is still 62.9 MB. Free memory was 47.5 MB in the beginning and 46.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:56,179 INFO L168 Benchmark]: Boogie Preprocessor took 29.67 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 45.2 MB in the end (delta: 998.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:56,182 INFO L168 Benchmark]: RCFGBuilder took 339.23 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 36.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:54:56,183 INFO L168 Benchmark]: TraceAbstraction took 526.95 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 36.1 MB in the beginning and 79.6 MB in the end (delta: -43.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:56,184 INFO L168 Benchmark]: Witness Printer took 48.30 ms. Allocated memory is still 100.7 MB. Free memory was 79.6 MB in the beginning and 78.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:54:56,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 62.9 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.25 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 47.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.96 ms. Allocated memory is still 62.9 MB. Free memory was 47.5 MB in the beginning and 46.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.67 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 45.2 MB in the end (delta: 998.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 339.23 ms. Allocated memory is still 62.9 MB. Free memory was 45.2 MB in the beginning and 36.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 526.95 ms. Allocated memory was 62.9 MB in the beginning and 100.7 MB in the end (delta: 37.7 MB). Free memory was 36.1 MB in the beginning and 79.6 MB in the end (delta: -43.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 48.30 ms. Allocated memory is still 100.7 MB. Free memory was 79.6 MB in the beginning and 78.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 430.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 7.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms 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, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.2ms SsaConstructionTime, 29.8ms SatisfiabilityAnalysisTime, 0.0ms 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! [2021-10-16 02:54:56,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff00c96c-9261-43ef-9f3f-e832306680c4/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...