./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 500ecb1077d8a4633e209415e47af2a90e5de5cd98f59ff1ea2da4236ad8f21f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:06:13,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:06:13,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:06:13,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:06:13,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:06:13,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:06:13,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:06:13,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:06:13,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:06:13,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:06:13,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:06:13,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:06:13,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:06:13,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:06:13,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:06:13,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:06:13,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:06:13,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:06:13,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:06:13,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:06:13,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:06:13,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:06:13,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:06:13,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:06:13,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:06:13,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:06:13,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:06:13,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:06:13,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:06:13,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:06:13,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:06:13,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:06:13,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:06:13,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:06:13,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:06:13,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:06:13,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:06:13,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:06:13,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:06:13,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:06:13,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:06:13,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-03 05:06:13,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:06:13,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:06:13,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:06:13,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:06:13,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:06:13,951 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:06:13,951 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:06:13,951 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:06:13,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:06:13,958 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:06:13,959 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:06:13,959 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:06:13,959 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:06:13,959 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:06:13,960 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:06:13,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:06:13,961 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:06:13,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 05:06:13,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:06:13,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:06:13,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:06:13,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:06:13,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:06:13,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:06:13,962 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-03 05:06:13,962 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:06:13,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:06:13,963 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:06:13,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:06:13,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:06:13,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:06:13,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:06:13,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:06:13,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:06:13,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:06:13,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:06:13,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:06:13,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:06:13,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:06:13,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:06:13,967 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_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 500ecb1077d8a4633e209415e47af2a90e5de5cd98f59ff1ea2da4236ad8f21f [2021-11-03 05:06:14,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:06:14,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:06:14,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:06:14,223 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:06:14,226 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:06:14,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2021-11-03 05:06:14,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/data/89e3d0dba/73dbf96229014756a677a5a267ac2320/FLAG6f288938e [2021-11-03 05:06:14,893 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:06:14,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2021-11-03 05:06:14,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/data/89e3d0dba/73dbf96229014756a677a5a267ac2320/FLAG6f288938e [2021-11-03 05:06:15,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/data/89e3d0dba/73dbf96229014756a677a5a267ac2320 [2021-11-03 05:06:15,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:06:15,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:06:15,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:06:15,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:06:15,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:06:15,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd40daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15, skipping insertion in model container [2021-11-03 05:06:15,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:06:15,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:06:15,516 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_5f2402db-2351-49db-ba96-be07667beccf/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605] [2021-11-03 05:06:15,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:06:15,544 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:06:15,597 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_5f2402db-2351-49db-ba96-be07667beccf/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605] [2021-11-03 05:06:15,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:06:15,613 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:06:15,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15 WrapperNode [2021-11-03 05:06:15,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:06:15,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:06:15,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:06:15,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:06:15,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:06:15,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:06:15,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:06:15,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:06:15,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:06:15,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:06:15,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:06:15,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:06:15,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (1/1) ... [2021-11-03 05:06:15,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:06:15,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:06:15,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:06:15,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:06:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:06:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:06:15,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:06:15,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:06:15,966 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 05:06:16,586 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-03 05:06:16,586 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-03 05:06:16,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:06:16,945 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-03 05:06:16,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:06:16 BoogieIcfgContainer [2021-11-03 05:06:16,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:06:16,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:06:16,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:06:16,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:06:16,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:06:15" (1/3) ... [2021-11-03 05:06:16,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124fd0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:06:16, skipping insertion in model container [2021-11-03 05:06:16,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:06:15" (2/3) ... [2021-11-03 05:06:16,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124fd0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:06:16, skipping insertion in model container [2021-11-03 05:06:16,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:06:16" (3/3) ... [2021-11-03 05:06:16,957 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-1a.c [2021-11-03 05:06:16,962 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:06:16,962 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-03 05:06:17,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:06:17,016 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 05:06:17,016 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-11-03 05:06:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 108 states have (on average 1.787037037037037) internal successors, (193), 126 states have internal predecessors, (193), 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) [2021-11-03 05:06:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 05:06:17,038 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:17,038 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:17,039 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-03 05:06:17,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:17,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1320234330, now seen corresponding path program 1 times [2021-11-03 05:06:17,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:06:17,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109119383] [2021-11-03 05:06:17,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:17,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:06:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:17,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:06:17,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109119383] [2021-11-03 05:06:17,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109119383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:17,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:17,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:06:17,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923978388] [2021-11-03 05:06:17,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:06:17,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:06:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:06:17,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:17,324 INFO L87 Difference]: Start difference. First operand has 127 states, 108 states have (on average 1.787037037037037) internal successors, (193), 126 states have internal predecessors, (193), 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 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:06:17,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:17,498 INFO L93 Difference]: Finished difference Result 255 states and 389 transitions. [2021-11-03 05:06:17,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:06:17,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-03 05:06:17,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:17,514 INFO L225 Difference]: With dead ends: 255 [2021-11-03 05:06:17,514 INFO L226 Difference]: Without dead ends: 126 [2021-11-03 05:06:17,519 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-03 05:06:17,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-03 05:06:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 108 states have (on average 1.5462962962962963) internal successors, (167), 125 states have internal predecessors, (167), 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) [2021-11-03 05:06:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 167 transitions. [2021-11-03 05:06:17,577 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 167 transitions. Word has length 13 [2021-11-03 05:06:17,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:17,578 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 167 transitions. [2021-11-03 05:06:17,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:06:17,578 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2021-11-03 05:06:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-03 05:06:17,581 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:17,581 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:17,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:06:17,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-03 05:06:17,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:17,586 INFO L85 PathProgramCache]: Analyzing trace with hash 727088826, now seen corresponding path program 1 times [2021-11-03 05:06:17,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:06:17,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455058896] [2021-11-03 05:06:17,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:17,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:06:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:06:17,694 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:06:17,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455058896] [2021-11-03 05:06:17,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455058896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:17,695 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:17,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:06:17,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068744307] [2021-11-03 05:06:17,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:06:17,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:06:17,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:06:17,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:17,700 INFO L87 Difference]: Start difference. First operand 126 states and 167 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-03 05:06:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:17,827 INFO L93 Difference]: Finished difference Result 264 states and 355 transitions. [2021-11-03 05:06:17,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:06:17,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2021-11-03 05:06:17,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:17,834 INFO L225 Difference]: With dead ends: 264 [2021-11-03 05:06:17,834 INFO L226 Difference]: Without dead ends: 141 [2021-11-03 05:06:17,836 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:17,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-03 05:06:17,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-11-03 05:06:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 121 states have (on average 1.512396694214876) internal successors, (183), 138 states have internal predecessors, (183), 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) [2021-11-03 05:06:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2021-11-03 05:06:17,861 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 23 [2021-11-03 05:06:17,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:17,862 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2021-11-03 05:06:17,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-03 05:06:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-11-03 05:06:17,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 05:06:17,863 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:17,864 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:17,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 05:06:17,867 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-03 05:06:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash 749200524, now seen corresponding path program 1 times [2021-11-03 05:06:17,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:06:17,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951105546] [2021-11-03 05:06:17,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:17,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:06:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-03 05:06:17,980 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:06:17,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951105546] [2021-11-03 05:06:17,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951105546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:17,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:17,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 05:06:17,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612623992] [2021-11-03 05:06:17,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:06:17,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:06:17,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:06:17,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:17,985 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-03 05:06:18,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:18,105 INFO L93 Difference]: Finished difference Result 292 states and 391 transitions. [2021-11-03 05:06:18,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:06:18,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 34 [2021-11-03 05:06:18,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:18,108 INFO L225 Difference]: With dead ends: 292 [2021-11-03 05:06:18,108 INFO L226 Difference]: Without dead ends: 156 [2021-11-03 05:06:18,112 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:18,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-03 05:06:18,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2021-11-03 05:06:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 136 states have (on average 1.4779411764705883) internal successors, (201), 153 states have internal predecessors, (201), 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) [2021-11-03 05:06:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions. [2021-11-03 05:06:18,130 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 34 [2021-11-03 05:06:18,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:18,131 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions. [2021-11-03 05:06:18,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-03 05:06:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2021-11-03 05:06:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 05:06:18,135 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:18,135 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:18,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 05:06:18,136 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-03 05:06:18,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:18,137 INFO L85 PathProgramCache]: Analyzing trace with hash 741414213, now seen corresponding path program 1 times [2021-11-03 05:06:18,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:06:18,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997270447] [2021-11-03 05:06:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:18,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:06:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:06:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-03 05:06:18,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:06:18,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997270447] [2021-11-03 05:06:18,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997270447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:06:18,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:06:18,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-03 05:06:18,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947762594] [2021-11-03 05:06:18,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 05:06:18,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:06:18,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 05:06:18,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:18,256 INFO L87 Difference]: Start difference. First operand 154 states and 201 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-11-03 05:06:18,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:06:18,269 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2021-11-03 05:06:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 05:06:18,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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 47 [2021-11-03 05:06:18,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:06:18,272 INFO L225 Difference]: With dead ends: 154 [2021-11-03 05:06:18,272 INFO L226 Difference]: Without dead ends: 153 [2021-11-03 05:06:18,277 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 05:06:18,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-11-03 05:06:18,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-11-03 05:06:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 136 states have (on average 1.4705882352941178) internal successors, (200), 152 states have internal predecessors, (200), 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) [2021-11-03 05:06:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions. [2021-11-03 05:06:18,293 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 47 [2021-11-03 05:06:18,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:06:18,294 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 200 transitions. [2021-11-03 05:06:18,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-11-03 05:06:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions. [2021-11-03 05:06:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 05:06:18,297 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:06:18,297 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:06:18,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 05:06:18,298 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-11-03 05:06:18,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:06:18,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1509004441, now seen corresponding path program 1 times [2021-11-03 05:06:18,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:06:18,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262868858] [2021-11-03 05:06:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:06:18,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:06:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:06:18,358 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 05:06:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:06:18,454 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 05:06:18,454 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 05:06:18,455 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,457 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,458 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,459 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,461 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-03 05:06:18,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 05:06:18,465 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-03 05:06:18,468 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:06:18,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:06:18 BoogieIcfgContainer [2021-11-03 05:06:18,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:06:18,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:06:18,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:06:18,570 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:06:18,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:06:16" (3/4) ... [2021-11-03 05:06:18,573 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 05:06:18,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:06:18,577 INFO L168 Benchmark]: Toolchain (without parser) took 3364.29 ms. Allocated memory is still 155.2 MB. Free memory was 121.4 MB in the beginning and 60.7 MB in the end (delta: 60.6 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:18,578 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:06:18,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.13 ms. Allocated memory is still 155.2 MB. Free memory was 121.0 MB in the beginning and 127.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:18,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.23 ms. Allocated memory is still 155.2 MB. Free memory was 127.5 MB in the beginning and 124.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:18,589 INFO L168 Benchmark]: Boogie Preprocessor took 54.39 ms. Allocated memory is still 155.2 MB. Free memory was 124.8 MB in the beginning and 122.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:18,589 INFO L168 Benchmark]: RCFGBuilder took 1182.23 ms. Allocated memory is still 155.2 MB. Free memory was 122.8 MB in the beginning and 75.0 MB in the end (delta: 47.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:18,590 INFO L168 Benchmark]: TraceAbstraction took 1619.53 ms. Allocated memory is still 155.2 MB. Free memory was 74.6 MB in the beginning and 61.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-11-03 05:06:18,590 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 155.2 MB. Free memory was 61.2 MB in the beginning and 60.7 MB in the end (delta: 521.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:06:18,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 92.3 MB. Free memory is still 50.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.13 ms. Allocated memory is still 155.2 MB. Free memory was 121.0 MB in the beginning and 127.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.23 ms. Allocated memory is still 155.2 MB. Free memory was 127.5 MB in the beginning and 124.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.39 ms. Allocated memory is still 155.2 MB. Free memory was 124.8 MB in the beginning and 122.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1182.23 ms. Allocated memory is still 155.2 MB. Free memory was 122.8 MB in the beginning and 75.0 MB in the end (delta: 47.8 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1619.53 ms. Allocated memory is still 155.2 MB. Free memory was 74.6 MB in the beginning and 61.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.78 ms. Allocated memory is still 155.2 MB. Free memory was 61.2 MB in the beginning and 60.7 MB in the end (delta: 521.5 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 221. Possible FailurePath: [L631] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 ; [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 ; [L54] int tmp___2 ; [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int ag_Z ; [L66] unsigned int ag_V ; [L67] unsigned int ag_W ; [L68] int __retres62 ; [L71] ag_V = 2U [L72] ag_W = 5U [L73] s__state = 12292 [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] cb = 0 [L77] ret = -1 [L78] skip = 0 [L79] tmp___0 = 0 [L80] COND TRUE s__info_callback != 0 [L81] cb = s__info_callback [L89] s__in_handshake = s__in_handshake + 1 [L90] tmp___1 = __VERIFIER_nondet_int() [L91] COND FALSE !(tmp___1 & 12288) [L102] COND TRUE 1 [L104] state = s__state [L105] COND TRUE s__state == 12292 [L208] s__new_session = 1 [L209] s__state = 4096 [L210] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L215] s__server = 0 [L216] COND TRUE cb != 0 [L221] COND FALSE !((s__version & 65280) != 768) [L227] s__type = 4096 [L228] COND FALSE !(s__init_buf___0 == 0) [L247] tmp___4 = __VERIFIER_nondet_int() [L248] COND FALSE !(! tmp___4) [L254] tmp___5 = __VERIFIER_nondet_int() [L255] COND FALSE !(! tmp___5) [L261] s__state = 4368 [L262] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L263] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND TRUE s__state == 4368 [L267] s__shutdown = 0 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 0 [L270] blastFlag = 1 [L274] COND FALSE !(ret <= 0) [L279] s__state = 4384 [L280] s__init_num = 0 [L281] COND FALSE !(s__bbio != s__wbio) [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND TRUE s__state == 4384 [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 1 [L291] blastFlag = 2 [L295] COND FALSE !(ret <= 0) [L300] COND FALSE !(\read(s__hit)) [L303] s__state = 4400 [L305] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND FALSE !(s__state == 4384) [L129] COND FALSE !(s__state == 4385) [L132] COND TRUE s__state == 4400 [L309] s__s3__tmp__new_cipher__algorithms - 256 - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 468]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 468]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 471]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 471]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 473]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 473]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 520]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 520]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 528]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 528]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 533]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 533]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 127 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 153 SDslu, 268 SDs, 0 SdLazy, 274 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 50/50 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 [2021-11-03 05:06:18,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f2402db-2351-49db-ba96-be07667beccf/bin/utaipan-aC7eJsxGYH/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample