./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.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_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/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_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/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_2b413e31-a847-46d3-8093-4ea0b7f83aad/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 15c59cd64cbdab762f2e01ef0d03122497382232 .............................................................................................................................................................................................................................................. 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_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/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_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/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_2b413e31-a847-46d3-8093-4ea0b7f83aad/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 15c59cd64cbdab762f2e01ef0d03122497382232 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:13:08,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:13:08,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:13:08,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:13:08,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:13:08,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:13:08,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:13:08,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:13:08,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:13:08,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:13:08,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:13:08,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:13:08,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:13:08,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:13:08,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:13:08,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:13:08,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:13:08,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:13:09,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:13:09,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:13:09,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:13:09,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:13:09,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:13:09,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:13:09,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:13:09,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:13:09,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:13:09,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:13:09,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:13:09,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:13:09,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:13:09,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:13:09,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:13:09,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:13:09,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:13:09,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:13:09,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:13:09,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:13:09,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:13:09,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:13:09,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:13:09,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:13:09,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:13:09,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:13:09,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:13:09,099 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:13:09,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:13:09,100 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:13:09,100 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:13:09,101 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:13:09,101 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:13:09,101 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:13:09,110 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:13:09,110 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:13:09,111 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:13:09,111 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:13:09,111 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:13:09,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:13:09,113 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:13:09,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:13:09,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:13:09,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:13:09,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:13:09,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:13:09,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:13:09,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:13:09,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:13:09,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:13:09,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:13:09,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:13:09,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:13:09,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:13:09,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:13:09,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:13:09,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:13:09,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:13:09,120 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:13:09,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:13:09,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:13:09,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:13:09,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:13:09,121 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_2b413e31-a847-46d3-8093-4ea0b7f83aad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c59cd64cbdab762f2e01ef0d03122497382232 [2021-10-16 02:13:09,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:13:09,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:13:09,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:13:09,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:13:09,444 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:13:09,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-10-16 02:13:09,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/1ea81c778/01a8211783fd476a8848175c2820f47e/FLAG287b1b885 [2021-10-16 02:13:10,060 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:13:10,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-10-16 02:13:10,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/1ea81c778/01a8211783fd476a8848175c2820f47e/FLAG287b1b885 [2021-10-16 02:13:10,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/1ea81c778/01a8211783fd476a8848175c2820f47e [2021-10-16 02:13:10,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:13:10,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:13:10,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:13:10,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:13:10,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:13:10,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732fbe5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10, skipping insertion in model container [2021-10-16 02:13:10,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:13:10,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:13:10,674 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_2b413e31-a847-46d3-8093-4ea0b7f83aad/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-10-16 02:13:10,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:13:10,689 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:13:10,702 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_2b413e31-a847-46d3-8093-4ea0b7f83aad/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-10-16 02:13:10,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:13:10,718 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:13:10,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10 WrapperNode [2021-10-16 02:13:10,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:13:10,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:13:10,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:13:10,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:13:10,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:13:10,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:13:10,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:13:10,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:13:10,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:13:10,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:13:10,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:13:10,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:13:10,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (1/1) ... [2021-10-16 02:13:10,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:13:10,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:13:10,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:13:10,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:13:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:13:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:13:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:13:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:13:11,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:13:11,050 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:13:11,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:11 BoogieIcfgContainer [2021-10-16 02:13:11,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:13:11,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:13:11,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:13:11,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:13:11,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:13:10" (1/3) ... [2021-10-16 02:13:11,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f62812f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:13:11, skipping insertion in model container [2021-10-16 02:13:11,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:10" (2/3) ... [2021-10-16 02:13:11,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f62812f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:13:11, skipping insertion in model container [2021-10-16 02:13:11,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:11" (3/3) ... [2021-10-16 02:13:11,062 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2021-10-16 02:13:11,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:13:11,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:13:11,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:13:11,124 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 02:13:11,125 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:13:11,140 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 02:13:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-16 02:13:11,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:13:11,147 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-16 02:13:11,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:13:11,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:13:11,155 INFO L82 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-10-16 02:13:11,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:13:11,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141277359] [2021-10-16 02:13:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:13:11,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:13:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:13:11,280 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:13:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:13:11,331 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:13:11,334 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:13:11,336 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:13:11,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:13:11,347 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:13:11,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:13:11 BoogieIcfgContainer [2021-10-16 02:13:11,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:13:11,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:13:11,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:13:11,369 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:13:11,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:11" (3/4) ... [2021-10-16 02:13:11,374 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:13:11,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:13:11,377 INFO L168 Benchmark]: Toolchain (without parser) took 926.29 ms. Allocated memory is still 125.8 MB. Free memory was 91.1 MB in the beginning and 75.5 MB in the end (delta: 15.6 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:11,378 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory is still 33.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:13:11,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.21 ms. Allocated memory is still 125.8 MB. Free memory was 90.9 MB in the beginning and 100.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:11,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.96 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 99.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:11,381 INFO L168 Benchmark]: Boogie Preprocessor took 21.01 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.2 MB in the end (delta: 999.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:13:11,382 INFO L168 Benchmark]: RCFGBuilder took 274.36 ms. Allocated memory is still 125.8 MB. Free memory was 98.2 MB in the beginning and 89.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:11,383 INFO L168 Benchmark]: TraceAbstraction took 313.15 ms. Allocated memory is still 125.8 MB. Free memory was 88.4 MB in the beginning and 75.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:11,384 INFO L168 Benchmark]: Witness Printer took 5.98 ms. Allocated memory is still 125.8 MB. Free memory was 75.8 MB in the beginning and 75.5 MB in the end (delta: 344.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:13:11,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory is still 33.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.21 ms. Allocated memory is still 125.8 MB. Free memory was 90.9 MB in the beginning and 100.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.96 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 99.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.01 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.2 MB in the end (delta: 999.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 274.36 ms. Allocated memory is still 125.8 MB. Free memory was 98.2 MB in the beginning and 89.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 313.15 ms. Allocated memory is still 125.8 MB. Free memory was 88.4 MB in the beginning and 75.8 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.98 ms. Allocated memory is still 125.8 MB. Free memory was 75.8 MB in the beginning and 75.5 MB in the end (delta: 344.6 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: 231.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.2ms, 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: 6.6ms SsaConstructionTime, 45.9ms 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 02:13:11,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/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 02:13:14,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:13:14,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:13:14,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:13:14,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:13:14,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:13:14,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:13:14,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:13:14,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:13:14,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:13:14,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:13:14,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:13:14,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:13:14,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:13:14,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:13:14,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:13:14,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:13:14,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:13:14,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:13:14,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:13:14,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:13:14,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:13:14,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:13:14,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:13:14,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:13:14,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:13:14,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:13:14,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:13:14,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:13:14,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:13:14,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:13:14,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:13:14,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:13:14,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:13:14,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:13:14,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:13:14,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:13:14,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:13:14,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:13:14,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:13:14,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:13:14,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:13:14,662 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:13:14,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:13:14,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:13:14,665 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:13:14,665 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:13:14,665 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:13:14,666 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:13:14,666 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:13:14,666 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:13:14,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:13:14,669 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:13:14,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:13:14,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:13:14,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:13:14,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:13:14,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:13:14,671 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:13:14,671 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:13:14,672 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:13:14,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:13:14,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:13:14,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:13:14,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:13:14,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:13:14,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:13:14,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:13:14,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:13:14,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:13:14,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:13:14,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:13:14,675 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:13:14,675 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:13:14,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:13:14,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:13:14,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:13:14,677 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_2b413e31-a847-46d3-8093-4ea0b7f83aad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15c59cd64cbdab762f2e01ef0d03122497382232 [2021-10-16 02:13:15,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:13:15,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:13:15,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:13:15,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:13:15,185 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:13:15,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-10-16 02:13:15,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/c920b8410/38592a87a7a54a2caa25e1817933935c/FLAG373286579 [2021-10-16 02:13:15,923 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:13:15,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-10-16 02:13:15,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/c920b8410/38592a87a7a54a2caa25e1817933935c/FLAG373286579 [2021-10-16 02:13:15,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/data/c920b8410/38592a87a7a54a2caa25e1817933935c [2021-10-16 02:13:15,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:13:15,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:13:15,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:13:15,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:13:15,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:13:15,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:13:15" (1/1) ... [2021-10-16 02:13:15,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5836cb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:15, skipping insertion in model container [2021-10-16 02:13:15,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:13:15" (1/1) ... [2021-10-16 02:13:15,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:13:16,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:13:16,205 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_2b413e31-a847-46d3-8093-4ea0b7f83aad/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-10-16 02:13:16,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:13:16,227 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:13:16,245 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_2b413e31-a847-46d3-8093-4ea0b7f83aad/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-10-16 02:13:16,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:13:16,266 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:13:16,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16 WrapperNode [2021-10-16 02:13:16,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:13:16,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:13:16,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:13:16,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:13:16,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:13:16,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:13:16,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:13:16,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:13:16,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:13:16,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:13:16,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:13:16,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:13:16,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (1/1) ... [2021-10-16 02:13:16,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:13:16,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:13:16,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:13:16,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:13:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:13:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:13:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:13:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:13:16,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:13:16,816 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:13:16,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:16 BoogieIcfgContainer [2021-10-16 02:13:16,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:13:16,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:13:16,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:13:16,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:13:16,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:13:15" (1/3) ... [2021-10-16 02:13:16,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11185a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:13:16, skipping insertion in model container [2021-10-16 02:13:16,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:13:16" (2/3) ... [2021-10-16 02:13:16,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11185a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:13:16, skipping insertion in model container [2021-10-16 02:13:16,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:16" (3/3) ... [2021-10-16 02:13:16,837 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2021-10-16 02:13:16,848 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:13:16,849 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:13:16,922 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:13:16,936 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 02:13:16,936 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:13:16,955 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 02:13:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-16 02:13:16,963 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:13:16,963 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-16 02:13:16,964 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:13:16,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:13:16,975 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-16 02:13:17,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:13:17,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144078237] [2021-10-16 02:13:17,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:13:17,002 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:13:17,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:13:17,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:13:17,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:13:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:13:17,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:13:17,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:13:17,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:13:17,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:13:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:13:17,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:13:17,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144078237] [2021-10-16 02:13:17,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144078237] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:13:17,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:13:17,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:13:17,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316527020] [2021-10-16 02:13:17,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:13:17,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:13:17,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:13:17,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:13:17,318 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 02:13:17,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:13:17,339 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-10-16 02:13:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:13:17,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-16 02:13:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:13:17,350 INFO L225 Difference]: With dead ends: 11 [2021-10-16 02:13:17,350 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:13:17,365 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:13:17,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:13:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:13:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 02:13:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:13:17,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-16 02:13:17,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:13:17,396 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:13:17,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 02:13:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:13:17,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:13:17,401 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:13:17,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:13:17,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:13:17,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:13:17,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:13:17,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:13:17,680 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:13:17,680 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:13:17,681 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:13:17,681 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:13:17,682 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-10-16 02:13:17,683 INFO L853 garLoopResultBuilder]: At program point L15(lines 5 16) the Hoare annotation is: (= (bvadd (_ bv6 8) ULTIMATE.start_main_~result_8~0) (_ bv0 8)) [2021-10-16 02:13:17,683 INFO L853 garLoopResultBuilder]: At program point L10(lines 5 16) the Hoare annotation is: false [2021-10-16 02:13:17,685 INFO L857 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2021-10-16 02:13:17,690 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:13:17,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:13:17 BoogieIcfgContainer [2021-10-16 02:13:17,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:13:17,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:13:17,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:13:17,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:13:17,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:13:16" (3/4) ... [2021-10-16 02:13:17,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:13:17,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-16 02:13:17,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:13:17,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:13:17,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:13:17,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:13:17,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:13:17,753 INFO L168 Benchmark]: Toolchain (without parser) took 1779.62 ms. Allocated memory is still 77.6 MB. Free memory was 55.5 MB in the beginning and 52.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:17,753 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:13:17,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.83 ms. Allocated memory is still 77.6 MB. Free memory was 55.1 MB in the beginning and 45.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:17,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.39 ms. Allocated memory is still 77.6 MB. Free memory was 45.7 MB in the beginning and 60.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:17,755 INFO L168 Benchmark]: Boogie Preprocessor took 43.66 ms. Allocated memory is still 77.6 MB. Free memory was 60.2 MB in the beginning and 59.2 MB in the end (delta: 997.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:13:17,756 INFO L168 Benchmark]: RCFGBuilder took 423.97 ms. Allocated memory is still 77.6 MB. Free memory was 59.2 MB in the beginning and 50.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:17,757 INFO L168 Benchmark]: TraceAbstraction took 880.76 ms. Allocated memory is still 77.6 MB. Free memory was 49.9 MB in the beginning and 54.3 MB in the end (delta: -4.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:13:17,758 INFO L168 Benchmark]: Witness Printer took 48.54 ms. Allocated memory is still 77.6 MB. Free memory was 54.3 MB in the beginning and 52.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:13:17,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory is still 34.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.83 ms. Allocated memory is still 77.6 MB. Free memory was 55.1 MB in the beginning and 45.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.39 ms. Allocated memory is still 77.6 MB. Free memory was 45.7 MB in the beginning and 60.2 MB in the end (delta: -14.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.66 ms. Allocated memory is still 77.6 MB. Free memory was 60.2 MB in the beginning and 59.2 MB in the end (delta: 997.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 423.97 ms. Allocated memory is still 77.6 MB. Free memory was 59.2 MB in the beginning and 50.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 880.76 ms. Allocated memory is still 77.6 MB. Free memory was 49.9 MB in the beginning and 54.3 MB in the end (delta: -4.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 48.54 ms. Allocated memory is still 77.6 MB. Free memory was 54.3 MB in the beginning and 52.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. 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 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 770.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 13.7ms, AutomataDifference: 66.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 57.7ms, InitialAbstractionConstructionTime: 12.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 12.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 44.6ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 5.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 24.7ms SsaConstructionTime, 28.2ms SatisfiabilityAnalysisTime, 159.2ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 2 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ~bvadd64(6bv8, result_8) == 0bv8 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:13:17,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b413e31-a847-46d3-8093-4ea0b7f83aad/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...