./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8 --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 5917357df1b2dddc8bcf2ad18319ca50ccc3192f7024ae52ff7b9d9430f1e878 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:51:21,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:51:21,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:51:21,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:51:21,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:51:21,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:51:21,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:51:21,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:51:21,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:51:21,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:51:21,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:51:21,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:51:21,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:51:21,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:51:21,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:51:21,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:51:21,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:51:21,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:51:21,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:51:21,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:51:21,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:51:21,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:51:21,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:51:21,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:51:21,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:51:21,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:51:21,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:51:21,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:51:21,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:51:21,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:51:21,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:51:21,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:51:21,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:51:21,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:51:21,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:51:21,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:51:21,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:51:21,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:51:21,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:51:21,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:51:21,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:51:21,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-07 01:51:21,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:51:21,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:51:21,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:51:21,834 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:51:21,834 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:51:21,834 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:51:21,834 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:51:21,835 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:51:21,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:51:21,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:51:21,844 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:51:21,844 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:51:21,844 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:51:21,844 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:51:21,845 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:51:21,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:51:21,846 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:51:21,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:51:21,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:51:21,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:51:21,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:51:21,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:51:21,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:51:21,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:51:21,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 01:51:21,848 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:51:21,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:51:21,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:51:21,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:51:21,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:51:21,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:51:21,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:21,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:51:21,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:51:21,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:51:21,853 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:51:21,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:51:21,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:51:21,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:51:21,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:51:21,854 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_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5917357df1b2dddc8bcf2ad18319ca50ccc3192f7024ae52ff7b9d9430f1e878 [2021-11-07 01:51:22,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:51:22,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:51:22,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:51:22,187 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:51:22,188 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:51:22,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-11-07 01:51:22,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/data/f62c934f1/8169cb9575614533bc5f63c0479a5994/FLAGc29cf7b17 [2021-11-07 01:51:22,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:51:22,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-11-07 01:51:22,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/data/f62c934f1/8169cb9575614533bc5f63c0479a5994/FLAGc29cf7b17 [2021-11-07 01:51:23,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/data/f62c934f1/8169cb9575614533bc5f63c0479a5994 [2021-11-07 01:51:23,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:51:23,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:51:23,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:23,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:51:23,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:51:23,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c8988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23, skipping insertion in model container [2021-11-07 01:51:23,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:51:23,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:51:23,514 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_61d66c65-b27a-4649-a59b-d1a440401bcb/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37933,37946] [2021-11-07 01:51:23,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:23,531 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:51:23,595 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_61d66c65-b27a-4649-a59b-d1a440401bcb/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37933,37946] [2021-11-07 01:51:23,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:51:23,615 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:51:23,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23 WrapperNode [2021-11-07 01:51:23,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:51:23,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:51:23,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:51:23,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:51:23,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:51:23,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:51:23,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:51:23,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:51:23,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:51:23,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:51:23,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:51:23,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:51:23,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (1/1) ... [2021-11-07 01:51:23,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:51:23,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:51:23,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:51:23,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:51:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:51:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:51:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:51:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:51:24,033 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:51:24,709 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-07 01:51:24,710 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-07 01:51:25,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:51:25,195 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 01:51:25,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:25 BoogieIcfgContainer [2021-11-07 01:51:25,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:51:25,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:51:25,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:51:25,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:51:25,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:51:23" (1/3) ... [2021-11-07 01:51:25,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661d087b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:51:25, skipping insertion in model container [2021-11-07 01:51:25,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:51:23" (2/3) ... [2021-11-07 01:51:25,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661d087b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:51:25, skipping insertion in model container [2021-11-07 01:51:25,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:25" (3/3) ... [2021-11-07 01:51:25,215 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-2a.c [2021-11-07 01:51:25,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:51:25,225 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-07 01:51:25,299 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:51:25,310 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 [2021-11-07 01:51:25,310 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-11-07 01:51:25,344 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) [2021-11-07 01:51:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 01:51:25,355 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:25,356 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:51:25,357 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)] === [2021-11-07 01:51:25,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:25,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1942277913, now seen corresponding path program 1 times [2021-11-07 01:51:25,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:51:25,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20017732] [2021-11-07 01:51:25,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:25,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:51:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:25,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:51:25,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20017732] [2021-11-07 01:51:25,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20017732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:25,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:25,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:51:25,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056975260] [2021-11-07 01:51:25,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:51:25,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:51:25,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:51:25,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:25,633 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) [2021-11-07 01:51:25,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:25,806 INFO L93 Difference]: Finished difference Result 255 states and 389 transitions. [2021-11-07 01:51:25,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:51:25,809 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 [2021-11-07 01:51:25,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:25,822 INFO L225 Difference]: With dead ends: 255 [2021-11-07 01:51:25,823 INFO L226 Difference]: Without dead ends: 126 [2021-11-07 01:51:25,827 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 [2021-11-07 01:51:25,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-07 01:51:25,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-11-07 01:51:25,876 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) [2021-11-07 01:51:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 167 transitions. [2021-11-07 01:51:25,880 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 167 transitions. Word has length 13 [2021-11-07 01:51:25,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:25,881 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 167 transitions. [2021-11-07 01:51:25,881 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) [2021-11-07 01:51:25,882 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2021-11-07 01:51:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:51:25,883 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:25,883 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] [2021-11-07 01:51:25,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:51:25,884 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)] === [2021-11-07 01:51:25,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:25,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2043990469, now seen corresponding path program 1 times [2021-11-07 01:51:25,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:51:25,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021566625] [2021-11-07 01:51:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:25,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:51:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:51:25,977 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:51:25,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021566625] [2021-11-07 01:51:25,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021566625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:25,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:25,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:51:25,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237302621] [2021-11-07 01:51:25,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:51:25,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:51:25,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:51:25,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:25,982 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) [2021-11-07 01:51:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:26,137 INFO L93 Difference]: Finished difference Result 264 states and 355 transitions. [2021-11-07 01:51:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:51:26,138 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 [2021-11-07 01:51:26,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:26,141 INFO L225 Difference]: With dead ends: 264 [2021-11-07 01:51:26,141 INFO L226 Difference]: Without dead ends: 141 [2021-11-07 01:51:26,143 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 [2021-11-07 01:51:26,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-07 01:51:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-11-07 01:51:26,157 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) [2021-11-07 01:51:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2021-11-07 01:51:26,159 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 23 [2021-11-07 01:51:26,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:26,160 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2021-11-07 01:51:26,160 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) [2021-11-07 01:51:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-11-07 01:51:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:51:26,162 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:26,163 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] [2021-11-07 01:51:26,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:51:26,163 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)] === [2021-11-07 01:51:26,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1656049311, now seen corresponding path program 1 times [2021-11-07 01:51:26,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:51:26,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387156418] [2021-11-07 01:51:26,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:26,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:51:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:51:26,254 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:51:26,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387156418] [2021-11-07 01:51:26,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387156418] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:26,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:26,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:51:26,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903632008] [2021-11-07 01:51:26,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:51:26,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:51:26,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:51:26,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:26,260 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) [2021-11-07 01:51:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:26,429 INFO L93 Difference]: Finished difference Result 292 states and 391 transitions. [2021-11-07 01:51:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:51:26,430 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 [2021-11-07 01:51:26,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:26,435 INFO L225 Difference]: With dead ends: 292 [2021-11-07 01:51:26,436 INFO L226 Difference]: Without dead ends: 156 [2021-11-07 01:51:26,440 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 [2021-11-07 01:51:26,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-07 01:51:26,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2021-11-07 01:51:26,463 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) [2021-11-07 01:51:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions. [2021-11-07 01:51:26,465 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 34 [2021-11-07 01:51:26,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:26,466 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions. [2021-11-07 01:51:26,466 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) [2021-11-07 01:51:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2021-11-07 01:51:26,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:51:26,471 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:26,472 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] [2021-11-07 01:51:26,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:51:26,472 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)] === [2021-11-07 01:51:26,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:26,475 INFO L85 PathProgramCache]: Analyzing trace with hash -893961422, now seen corresponding path program 1 times [2021-11-07 01:51:26,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:51:26,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840598881] [2021-11-07 01:51:26,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:26,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:51:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:51:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-07 01:51:26,699 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:51:26,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840598881] [2021-11-07 01:51:26,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840598881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:51:26,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:51:26,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:51:26,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224201761] [2021-11-07 01:51:26,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:51:26,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:51:26,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:51:26,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:51:26,713 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) [2021-11-07 01:51:26,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:51:26,738 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2021-11-07 01:51:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:51:26,739 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 [2021-11-07 01:51:26,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:51:26,741 INFO L225 Difference]: With dead ends: 154 [2021-11-07 01:51:26,742 INFO L226 Difference]: Without dead ends: 153 [2021-11-07 01:51:26,742 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 [2021-11-07 01:51:26,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-11-07 01:51:26,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-11-07 01:51:26,751 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) [2021-11-07 01:51:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions. [2021-11-07 01:51:26,754 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 47 [2021-11-07 01:51:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:51:26,756 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 200 transitions. [2021-11-07 01:51:26,756 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) [2021-11-07 01:51:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions. [2021-11-07 01:51:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 01:51:26,758 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:51:26,758 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] [2021-11-07 01:51:26,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 01:51:26,759 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)] === [2021-11-07 01:51:26,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:51:26,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1942999988, now seen corresponding path program 1 times [2021-11-07 01:51:26,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:51:26,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419078966] [2021-11-07 01:51:26,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:51:26,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:51:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:51:26,804 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:51:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:51:26,887 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:51:26,887 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:51:26,888 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,891 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,892 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,892 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,892 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,893 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,893 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,893 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,894 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,894 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,895 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,895 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,897 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,897 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,897 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,898 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,898 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,898 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:51:26,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 01:51:26,903 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-07 01:51:26,907 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:51:27,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:51:27 BoogieIcfgContainer [2021-11-07 01:51:27,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:51:27,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:51:27,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:51:27,023 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:51:27,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:51:25" (3/4) ... [2021-11-07 01:51:27,027 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:51:27,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:51:27,029 INFO L168 Benchmark]: Toolchain (without parser) took 3861.57 ms. Allocated memory was 121.6 MB in the beginning and 153.1 MB in the end (delta: 31.5 MB). Free memory was 77.7 MB in the beginning and 100.7 MB in the end (delta: -23.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:27,030 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 121.6 MB. Free memory was 94.9 MB in the beginning and 94.8 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:51:27,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.64 ms. Allocated memory is still 121.6 MB. Free memory was 77.5 MB in the beginning and 91.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:27,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 121.6 MB. Free memory was 91.5 MB in the beginning and 88.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:27,032 INFO L168 Benchmark]: Boogie Preprocessor took 78.51 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 86.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:27,033 INFO L168 Benchmark]: RCFGBuilder took 1430.98 ms. Allocated memory was 121.6 MB in the beginning and 153.1 MB in the end (delta: 31.5 MB). Free memory was 86.7 MB in the beginning and 119.4 MB in the end (delta: -32.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:27,034 INFO L168 Benchmark]: TraceAbstraction took 1819.26 ms. Allocated memory is still 153.1 MB. Free memory was 118.5 MB in the beginning and 100.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:51:27,043 INFO L168 Benchmark]: Witness Printer took 5.02 ms. Allocated memory is still 153.1 MB. Free memory is still 100.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:51:27,047 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 121.6 MB. Free memory was 94.9 MB in the beginning and 94.8 MB in the end (delta: 56.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 448.64 ms. Allocated memory is still 121.6 MB. Free memory was 77.5 MB in the beginning and 91.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.68 ms. Allocated memory is still 121.6 MB. Free memory was 91.5 MB in the beginning and 88.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.51 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 86.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1430.98 ms. Allocated memory was 121.6 MB in the beginning and 153.1 MB in the end (delta: 31.5 MB). Free memory was 86.7 MB in the beginning and 119.4 MB in the end (delta: -32.8 MB). Peak memory consumption was 56.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1819.26 ms. Allocated memory is still 153.1 MB. Free memory was 118.5 MB in the beginning and 100.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.02 ms. Allocated memory is still 153.1 MB. Free memory is still 100.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 317]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 229. Possible FailurePath: [L638] int __retres1 ; [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] int s__version = __VERIFIER_nondet_int(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L38] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] int tmp___1 ; [L62] int tmp___2 ; [L63] int tmp___3 ; [L64] int tmp___4 ; [L65] int tmp___5 ; [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z = __VERIFIER_nondet_int(); [L74] unsigned int ag_V ; [L75] unsigned int ag_W ; [L76] int __retres62 ; [L79] ag_V = 2U [L80] ag_W = 5U [L81] s__state = 12292 [L82] blastFlag = 0 [L83] tmp = __VERIFIER_nondet_int() [L84] cb = 0 [L85] ret = -1 [L86] skip = 0 [L87] tmp___0 = 0 [L88] COND TRUE s__info_callback != 0 [L89] cb = s__info_callback [L97] s__in_handshake = s__in_handshake + 1 [L98] tmp___1 = __VERIFIER_nondet_int() [L99] COND TRUE tmp___1 & 12288 [L100] tmp___2 = __VERIFIER_nondet_int() [L101] COND FALSE !(tmp___2 & 16384) [L110] COND TRUE 1 [L112] state = s__state [L113] COND TRUE s__state == 12292 [L216] s__new_session = 1 [L217] s__state = 4096 [L218] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L223] s__server = 0 [L224] COND TRUE cb != 0 [L229] COND FALSE !((s__version & 65280) != 768) [L235] s__type = 4096 [L236] COND FALSE !(s__init_buf___0 == 0) [L255] tmp___4 = __VERIFIER_nondet_int() [L256] COND FALSE !(! tmp___4) [L262] tmp___5 = __VERIFIER_nondet_int() [L263] COND FALSE !(! tmp___5) [L269] s__state = 4368 [L270] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L271] s__init_num = 0 [L587] COND FALSE !(! s__s3__tmp__reuse_message) [L616] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND TRUE s__state == 4368 [L275] s__shutdown = 0 [L276] ret = __VERIFIER_nondet_int() [L277] COND TRUE blastFlag == 0 [L278] blastFlag = 1 [L282] COND FALSE !(ret <= 0) [L287] s__state = 4384 [L288] s__init_num = 0 [L289] COND TRUE s__bbio != s__wbio [L587] COND FALSE !(! s__s3__tmp__reuse_message) [L616] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND TRUE s__state == 4384 [L297] ret = __VERIFIER_nondet_int() [L298] COND TRUE blastFlag == 1 [L299] blastFlag = 2 [L303] COND FALSE !(ret <= 0) [L308] COND FALSE !(\read(s__hit)) [L311] s__state = 4400 [L313] s__init_num = 0 [L587] COND FALSE !(! s__s3__tmp__reuse_message) [L616] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND TRUE s__state == 4400 [L317] s__s3__tmp__new_cipher__algorithms - 256 - UnprovableResult [Line: 317]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 389]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 475]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 475]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 478]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 478]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 480]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 480]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 540]: 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: 1.6s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s 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 [2021-11-07 01:51:27,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/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_61d66c65-b27a-4649-a59b-d1a440401bcb/bin/utaipan-UUZaoUuFF8/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