./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.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_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/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_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/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_22b7f698-673c-4296-846e-2c0c4d1065ef/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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:27:01,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:27:01,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:27:01,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:27:01,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:27:01,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:27:01,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:27:01,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:27:01,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:27:01,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:27:01,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:27:01,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:27:01,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:27:01,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:27:01,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:27:01,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:27:01,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:27:01,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:27:01,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:27:01,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:27:01,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:27:01,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:27:01,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:27:01,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:27:01,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:27:01,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:27:01,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:27:01,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:27:01,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:27:01,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:27:01,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:27:01,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:27:01,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:27:01,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:27:01,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:27:01,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:27:01,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:27:01,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:27:01,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:27:01,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:27:01,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:27:01,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-07 01:27:01,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:27:01,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:27:01,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:27:01,157 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:27:01,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:27:01,157 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:27:01,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:27:01,158 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:27:01,158 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:27:01,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:27:01,161 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:27:01,162 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:27:01,162 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:27:01,162 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:27:01,162 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:27:01,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:27:01,163 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:27:01,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:27:01,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:27:01,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:27:01,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:27:01,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:27:01,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:27:01,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:27:01,165 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 01:27:01,165 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:27:01,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:27:01,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:27:01,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:27:01,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:27:01,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:27:01,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:27:01,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:27:01,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:27:01,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:27:01,169 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:27:01,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:27:01,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:27:01,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:27:01,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:27:01,170 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_22b7f698-673c-4296-846e-2c0c4d1065ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-11-07 01:27:01,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:27:01,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:27:01,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:27:01,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:27:01,481 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:27:01,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-11-07 01:27:01,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/data/9948695f6/a863a87467ab43419907caff435944b9/FLAGd7763c42e [2021-11-07 01:27:02,150 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:27:02,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-11-07 01:27:02,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/data/9948695f6/a863a87467ab43419907caff435944b9/FLAGd7763c42e [2021-11-07 01:27:02,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/data/9948695f6/a863a87467ab43419907caff435944b9 [2021-11-07 01:27:02,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:27:02,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:27:02,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:02,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:27:02,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:27:02,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bad9b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02, skipping insertion in model container [2021-11-07 01:27:02,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:27:02,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:27:02,790 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_22b7f698-673c-4296-846e-2c0c4d1065ef/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-11-07 01:27:02,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:02,803 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:27:02,854 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_22b7f698-673c-4296-846e-2c0c4d1065ef/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-11-07 01:27:02,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:27:02,871 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:27:02,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02 WrapperNode [2021-11-07 01:27:02,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:27:02,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:27:02,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:27:02,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:27:02,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:27:02,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:27:02,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:27:02,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:27:02,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:02,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:27:02,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:27:02,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:27:02,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:27:02,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (1/1) ... [2021-11-07 01:27:03,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:27:03,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:27:03,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:27:03,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:27:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:27:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:27:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:27:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:27:03,296 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:27:03,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-11-07 01:27:03,731 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-11-07 01:27:04,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:27:04,261 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 01:27:04,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:27:04 BoogieIcfgContainer [2021-11-07 01:27:04,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:27:04,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:27:04,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:27:04,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:27:04,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:27:02" (1/3) ... [2021-11-07 01:27:04,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4001e2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:27:04, skipping insertion in model container [2021-11-07 01:27:04,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:27:02" (2/3) ... [2021-11-07 01:27:04,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4001e2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:27:04, skipping insertion in model container [2021-11-07 01:27:04,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:27:04" (3/3) ... [2021-11-07 01:27:04,291 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-11-07 01:27:04,297 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:27:04,297 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 01:27:04,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:27:04,373 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 01:27:04,373 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 01:27:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 85 states have internal predecessors, (147), 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 01:27:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:27:04,418 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:04,419 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:04,420 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-11-07 01:27:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash -659442124, now seen corresponding path program 1 times [2021-11-07 01:27:04,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:27:04,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117703635] [2021-11-07 01:27:04,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:04,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:27:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:04,710 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 01:27:04,711 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:27:04,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117703635] [2021-11-07 01:27:04,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117703635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:04,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:04,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:27:04,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397077880] [2021-11-07 01:27:04,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:27:04,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:27:04,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:27:04,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:27:04,744 INFO L87 Difference]: Start difference. First operand has 86 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 85 states have internal predecessors, (147), 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 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 01:27:04,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:04,931 INFO L93 Difference]: Finished difference Result 173 states and 297 transitions. [2021-11-07 01:27:04,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:27:04,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-11-07 01:27:04,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:04,944 INFO L225 Difference]: With dead ends: 173 [2021-11-07 01:27:04,944 INFO L226 Difference]: Without dead ends: 85 [2021-11-07 01:27:04,948 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 01:27:04,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-07 01:27:04,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-07 01:27:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 84 states have internal predecessors, (122), 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 01:27:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2021-11-07 01:27:04,997 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 11 [2021-11-07 01:27:04,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:04,998 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2021-11-07 01:27:05,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 01:27:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2021-11-07 01:27:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:27:05,001 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:05,001 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:27:05,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:27:05,002 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-11-07 01:27:05,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1053907855, now seen corresponding path program 1 times [2021-11-07 01:27:05,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:27:05,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092880599] [2021-11-07 01:27:05,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:05,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:27:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:27:05,132 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:27:05,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092880599] [2021-11-07 01:27:05,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092880599] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:05,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:05,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:27:05,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799424957] [2021-11-07 01:27:05,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:27:05,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:27:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:27:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:27:05,136 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 01:27:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:05,359 INFO L93 Difference]: Finished difference Result 214 states and 324 transitions. [2021-11-07 01:27:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:27:05,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20 [2021-11-07 01:27:05,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:05,366 INFO L225 Difference]: With dead ends: 214 [2021-11-07 01:27:05,366 INFO L226 Difference]: Without dead ends: 132 [2021-11-07 01:27:05,368 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 01:27:05,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-11-07 01:27:05,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 122. [2021-11-07 01:27:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.3801652892561984) internal successors, (167), 121 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 01:27:05,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 167 transitions. [2021-11-07 01:27:05,392 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 167 transitions. Word has length 20 [2021-11-07 01:27:05,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:05,393 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 167 transitions. [2021-11-07 01:27:05,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 01:27:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 167 transitions. [2021-11-07 01:27:05,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 01:27:05,394 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:27:05,395 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] [2021-11-07 01:27:05,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:27:05,399 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-11-07 01:27:05,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:27:05,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1688594567, now seen corresponding path program 1 times [2021-11-07 01:27:05,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:27:05,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285092777] [2021-11-07 01:27:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:27:05,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:27:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:27:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:27:05,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:27:05,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285092777] [2021-11-07 01:27:05,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285092777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:27:05,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:27:05,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:27:05,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982156554] [2021-11-07 01:27:05,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:27:05,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:27:05,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:27:05,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:27:05,510 INFO L87 Difference]: Start difference. First operand 122 states and 167 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 01:27:05,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:27:05,728 INFO L93 Difference]: Finished difference Result 324 states and 458 transitions. [2021-11-07 01:27:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:27:05,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 21 [2021-11-07 01:27:05,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:27:05,729 INFO L225 Difference]: With dead ends: 324 [2021-11-07 01:27:05,729 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:27:05,731 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 01:27:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:27:05,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:27:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:27:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:27:05,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-11-07 01:27:05,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:27:05,732 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:27:05,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 01:27:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:27:05,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:27:05,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:27:05,736 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 01:27:05,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:27:05,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:27:05,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:27:05,813 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-11-07 01:27:05,813 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 252) no Hoare annotation was computed. [2021-11-07 01:27:05,814 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 551) no Hoare annotation was computed. [2021-11-07 01:27:05,814 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 562) no Hoare annotation was computed. [2021-11-07 01:27:05,814 INFO L857 garLoopResultBuilder]: For program point L235-2(lines 213 545) no Hoare annotation was computed. [2021-11-07 01:27:05,814 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 573) no Hoare annotation was computed. [2021-11-07 01:27:05,816 INFO L853 garLoopResultBuilder]: At program point L203(lines 199 552) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,816 INFO L853 garLoopResultBuilder]: At program point L137(lines 133 574) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,816 INFO L857 garLoopResultBuilder]: For program point L501-1(lines 501 513) no Hoare annotation was computed. [2021-11-07 01:27:05,817 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-11-07 01:27:05,817 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 242) no Hoare annotation was computed. [2021-11-07 01:27:05,818 INFO L860 garLoopResultBuilder]: At program point L205(lines 205 550) the Hoare annotation is: true [2021-11-07 01:27:05,819 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 561) no Hoare annotation was computed. [2021-11-07 01:27:05,819 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 572) no Hoare annotation was computed. [2021-11-07 01:27:05,819 INFO L853 garLoopResultBuilder]: At program point L206(lines 205 550) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-11-07 01:27:05,819 INFO L853 garLoopResultBuilder]: At program point L173(lines 163 564) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,820 INFO L857 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2021-11-07 01:27:05,820 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 213 545) no Hoare annotation was computed. [2021-11-07 01:27:05,820 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2021-11-07 01:27:05,821 INFO L857 garLoopResultBuilder]: For program point L340-2(lines 213 545) no Hoare annotation was computed. [2021-11-07 01:27:05,821 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 560) no Hoare annotation was computed. [2021-11-07 01:27:05,821 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 571) no Hoare annotation was computed. [2021-11-07 01:27:05,823 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 76 630) no Hoare annotation was computed. [2021-11-07 01:27:05,823 INFO L853 garLoopResultBuilder]: At program point L143(lines 139 572) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,823 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2021-11-07 01:27:05,824 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 559) no Hoare annotation was computed. [2021-11-07 01:27:05,825 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 570) no Hoare annotation was computed. [2021-11-07 01:27:05,825 INFO L860 garLoopResultBuilder]: At program point L112(lines 112 581) the Hoare annotation is: true [2021-11-07 01:27:05,825 INFO L857 garLoopResultBuilder]: For program point L443-2(lines 213 545) no Hoare annotation was computed. [2021-11-07 01:27:05,825 INFO L853 garLoopResultBuilder]: At program point L179(lines 175 560) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,826 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-11-07 01:27:05,826 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 558) no Hoare annotation was computed. [2021-11-07 01:27:05,826 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 569) no Hoare annotation was computed. [2021-11-07 01:27:05,827 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 580) no Hoare annotation was computed. [2021-11-07 01:27:05,827 INFO L853 garLoopResultBuilder]: At program point L149(lines 145 570) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,827 INFO L860 garLoopResultBuilder]: At program point L546(lines 109 612) the Hoare annotation is: true [2021-11-07 01:27:05,827 INFO L860 garLoopResultBuilder]: At program point L613(lines 108 614) the Hoare annotation is: true [2021-11-07 01:27:05,828 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 557) no Hoare annotation was computed. [2021-11-07 01:27:05,828 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 568) no Hoare annotation was computed. [2021-11-07 01:27:05,828 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 579) no Hoare annotation was computed. [2021-11-07 01:27:05,828 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:27:05,829 INFO L857 garLoopResultBuilder]: For program point L284(line 284) no Hoare annotation was computed. [2021-11-07 01:27:05,829 INFO L857 garLoopResultBuilder]: For program point L284-1(line 284) no Hoare annotation was computed. [2021-11-07 01:27:05,829 INFO L860 garLoopResultBuilder]: At program point L218(lines 115 580) the Hoare annotation is: true [2021-11-07 01:27:05,830 INFO L853 garLoopResultBuilder]: At program point L185(lines 181 558) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,830 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 610) no Hoare annotation was computed. [2021-11-07 01:27:05,830 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 607) no Hoare annotation was computed. [2021-11-07 01:27:05,830 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 357) no Hoare annotation was computed. [2021-11-07 01:27:05,831 INFO L857 garLoopResultBuilder]: For program point L319-1(lines 319 333) no Hoare annotation was computed. [2021-11-07 01:27:05,831 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 556) no Hoare annotation was computed. [2021-11-07 01:27:05,831 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 567) no Hoare annotation was computed. [2021-11-07 01:27:05,831 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 578) no Hoare annotation was computed. [2021-11-07 01:27:05,831 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 593) no Hoare annotation was computed. [2021-11-07 01:27:05,832 INFO L857 garLoopResultBuilder]: For program point L584-2(lines 583 605) no Hoare annotation was computed. [2021-11-07 01:27:05,832 INFO L853 garLoopResultBuilder]: At program point L155(lines 151 568) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,833 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-11-07 01:27:05,833 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 459) no Hoare annotation was computed. [2021-11-07 01:27:05,833 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:27:05,833 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 555) no Hoare annotation was computed. [2021-11-07 01:27:05,833 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 566) no Hoare annotation was computed. [2021-11-07 01:27:05,834 INFO L857 garLoopResultBuilder]: For program point L223-2(lines 213 545) no Hoare annotation was computed. [2021-11-07 01:27:05,834 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 577) no Hoare annotation was computed. [2021-11-07 01:27:05,834 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-11-07 01:27:05,834 INFO L857 garLoopResultBuilder]: For program point L323-2(lines 321 333) no Hoare annotation was computed. [2021-11-07 01:27:05,835 INFO L853 garLoopResultBuilder]: At program point L191(lines 187 556) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,840 INFO L857 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-11-07 01:27:05,840 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-11-07 01:27:05,840 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 554) no Hoare annotation was computed. [2021-11-07 01:27:05,840 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 565) no Hoare annotation was computed. [2021-11-07 01:27:05,841 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 576) no Hoare annotation was computed. [2021-11-07 01:27:05,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 284) no Hoare annotation was computed. [2021-11-07 01:27:05,841 INFO L853 garLoopResultBuilder]: At program point L161(lines 157 566) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 284) no Hoare annotation was computed. [2021-11-07 01:27:05,842 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 553) no Hoare annotation was computed. [2021-11-07 01:27:05,842 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 564) no Hoare annotation was computed. [2021-11-07 01:27:05,846 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 575) no Hoare annotation was computed. [2021-11-07 01:27:05,847 INFO L857 garLoopResultBuilder]: For program point L395(lines 395 399) no Hoare annotation was computed. [2021-11-07 01:27:05,847 INFO L853 garLoopResultBuilder]: At program point L362(lines 362 366) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,847 INFO L853 garLoopResultBuilder]: At program point L197(lines 193 554) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-11-07 01:27:05,848 INFO L853 garLoopResultBuilder]: At program point L131(lines 127 576) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-11-07 01:27:05,849 INFO L860 garLoopResultBuilder]: At program point L628(lines 76 630) the Hoare annotation is: true [2021-11-07 01:27:05,849 INFO L857 garLoopResultBuilder]: For program point L298-2(lines 213 545) no Hoare annotation was computed. [2021-11-07 01:27:05,849 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 552) no Hoare annotation was computed. [2021-11-07 01:27:05,849 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 563) no Hoare annotation was computed. [2021-11-07 01:27:05,850 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 574) no Hoare annotation was computed. [2021-11-07 01:27:05,850 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2021-11-07 01:27:05,854 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-07 01:27:05,856 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:27:05,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:27:05 BoogieIcfgContainer [2021-11-07 01:27:05,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:27:05,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:27:05,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:27:05,874 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:27:05,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:27:04" (3/4) ... [2021-11-07 01:27:05,878 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:27:05,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-11-07 01:27:05,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-07 01:27:05,918 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 01:27:05,919 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:27:06,054 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:27:06,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:27:06,057 INFO L168 Benchmark]: Toolchain (without parser) took 3602.82 ms. Allocated memory was 134.2 MB in the beginning and 186.6 MB in the end (delta: 52.4 MB). Free memory was 97.0 MB in the beginning and 88.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:06,057 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 107.9 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:27:06,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.43 ms. Allocated memory is still 134.2 MB. Free memory was 96.6 MB in the beginning and 103.0 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:06,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.40 ms. Allocated memory is still 134.2 MB. Free memory was 103.0 MB in the beginning and 100.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:06,059 INFO L168 Benchmark]: Boogie Preprocessor took 54.93 ms. Allocated memory is still 134.2 MB. Free memory was 100.4 MB in the beginning and 98.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:06,060 INFO L168 Benchmark]: RCFGBuilder took 1265.95 ms. Allocated memory is still 134.2 MB. Free memory was 98.2 MB in the beginning and 105.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:06,060 INFO L168 Benchmark]: TraceAbstraction took 1606.56 ms. Allocated memory was 134.2 MB in the beginning and 186.6 MB in the end (delta: 52.4 MB). Free memory was 105.0 MB in the beginning and 98.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:06,061 INFO L168 Benchmark]: Witness Printer took 181.75 ms. Allocated memory is still 186.6 MB. Free memory was 98.0 MB in the beginning and 88.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:27:06,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 107.9 MB in the end (delta: 29.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 415.43 ms. Allocated memory is still 134.2 MB. Free memory was 96.6 MB in the beginning and 103.0 MB in the end (delta: -6.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.40 ms. Allocated memory is still 134.2 MB. Free memory was 103.0 MB in the beginning and 100.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.93 ms. Allocated memory is still 134.2 MB. Free memory was 100.4 MB in the beginning and 98.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1265.95 ms. Allocated memory is still 134.2 MB. Free memory was 98.2 MB in the beginning and 105.5 MB in the end (delta: -7.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1606.56 ms. Allocated memory was 134.2 MB in the beginning and 186.6 MB in the end (delta: 52.4 MB). Free memory was 105.0 MB in the beginning and 98.0 MB in the end (delta: 7.0 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. * Witness Printer took 181.75 ms. Allocated memory is still 186.6 MB. Free memory was 98.0 MB in the beginning and 88.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 351 SDtfs, 126 SDslu, 111 SDs, 0 SdLazy, 305 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 49 NumberOfFragments, 48 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: s__state <= 4384 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:27:06,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22b7f698-673c-4296-846e-2c0c4d1065ef/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 Writing output log to file Ultimate.log Result: TRUE