./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW --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 24a5f4d4ce175d9ecfca07767d6ef832e3a186b51201df9014bcfdfc526e31cf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:28:42,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:28:42,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:28:42,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:28:42,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:28:42,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:28:42,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:28:42,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:28:42,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:28:42,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:28:42,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:28:42,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:28:42,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:28:42,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:28:42,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:28:42,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:28:42,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:28:42,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:28:42,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:28:42,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:28:42,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:28:42,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:28:42,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:28:42,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:28:42,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:28:42,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:28:42,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:28:42,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:28:42,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:28:42,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:28:42,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:28:42,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:28:42,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:28:42,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:28:42,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:28:42,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:28:42,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:28:42,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:28:42,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:28:42,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:28:42,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:28:42,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 14:28:42,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:28:42,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:28:42,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:28:42,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:28:42,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:28:42,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:28:42,192 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:28:42,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:28:42,193 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:28:42,193 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:28:42,193 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:28:42,194 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:28:42,194 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:28:42,194 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:28:42,195 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:28:42,195 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:28:42,195 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:28:42,196 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:28:42,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:28:42,197 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:28:42,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:28:42,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:28:42,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:28:42,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:28:42,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:28:42,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:28:42,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:28:42,200 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:28:42,200 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:28:42,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:28:42,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:28:42,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:28:42,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:28:42,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:28:42,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:28:42,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:28:42,202 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:28:42,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:28:42,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:28:42,203 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:28:42,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:28:42,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:28:42,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:28:42,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24a5f4d4ce175d9ecfca07767d6ef832e3a186b51201df9014bcfdfc526e31cf [2022-11-23 14:28:42,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:28:42,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:28:42,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:28:42,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:28:42,568 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:28:42,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2022-11-23 14:28:45,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:28:45,932 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:28:45,935 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2022-11-23 14:28:45,949 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/data/8ae8ed2d8/a5e45f8d3e2a47808667bd8232700feb/FLAG591aca650 [2022-11-23 14:28:45,972 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/data/8ae8ed2d8/a5e45f8d3e2a47808667bd8232700feb [2022-11-23 14:28:45,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:28:45,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:28:45,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:28:45,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:28:45,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:28:45,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:45" (1/1) ... [2022-11-23 14:28:45,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8f3c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:45, skipping insertion in model container [2022-11-23 14:28:45,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:45" (1/1) ... [2022-11-23 14:28:46,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:28:46,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:28:46,258 WARN L237 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_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c[44868,44881] [2022-11-23 14:28:46,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:28:46,282 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:28:46,352 WARN L237 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_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c[44868,44881] [2022-11-23 14:28:46,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:28:46,368 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:28:46,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46 WrapperNode [2022-11-23 14:28:46,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:28:46,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:28:46,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:28:46,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:28:46,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,442 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 536 [2022-11-23 14:28:46,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:28:46,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:28:46,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:28:46,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:28:46,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:28:46,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:28:46,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:28:46,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:28:46,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (1/1) ... [2022-11-23 14:28:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:28:46,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:28:46,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:28:46,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:28:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:28:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:28:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:28:46,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:28:46,768 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:28:46,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:28:46,827 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-23 14:28:47,427 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-11-23 14:28:47,428 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-11-23 14:28:47,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:28:47,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:28:47,546 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 14:28:47,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:47 BoogieIcfgContainer [2022-11-23 14:28:47,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:28:47,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:28:47,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:28:47,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:28:47,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:45" (1/3) ... [2022-11-23 14:28:47,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e155fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:47, skipping insertion in model container [2022-11-23 14:28:47,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:46" (2/3) ... [2022-11-23 14:28:47,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e155fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:47, skipping insertion in model container [2022-11-23 14:28:47,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:47" (3/3) ... [2022-11-23 14:28:47,559 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.BV.c.cil.c [2022-11-23 14:28:47,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:28:47,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-23 14:28:47,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:28:47,643 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@226cfc73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:28:47,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-23 14:28:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 117 states have (on average 1.794871794871795) internal successors, (210), 129 states have internal predecessors, (210), 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) [2022-11-23 14:28:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-23 14:28:47,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:28:47,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-23 14:28:47,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:28:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:28:47,663 INFO L85 PathProgramCache]: Analyzing trace with hash 21094, now seen corresponding path program 1 times [2022-11-23 14:28:47,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:28:47,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079762946] [2022-11-23 14:28:47,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:28:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:28:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:28:48,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:28:48,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:28:48,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079762946] [2022-11-23 14:28:48,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079762946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:28:48,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:28:48,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 14:28:48,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237789185] [2022-11-23 14:28:48,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:28:48,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:28:48,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:28:48,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:28:48,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:28:48,068 INFO L87 Difference]: Start difference. First operand has 130 states, 117 states have (on average 1.794871794871795) internal successors, (210), 129 states have internal predecessors, (210), 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, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-23 14:28:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:28:48,213 INFO L93 Difference]: Finished difference Result 138 states and 216 transitions. [2022-11-23 14:28:48,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:28:48,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-23 14:28:48,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:28:48,236 INFO L225 Difference]: With dead ends: 138 [2022-11-23 14:28:48,237 INFO L226 Difference]: Without dead ends: 126 [2022-11-23 14:28:48,240 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:28:48,247 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 204 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:28:48,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 180 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:28:48,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-23 14:28:48,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-23 14:28:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 115 states have (on average 1.7478260869565216) internal successors, (201), 125 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) [2022-11-23 14:28:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 201 transitions. [2022-11-23 14:28:48,322 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 201 transitions. Word has length 2 [2022-11-23 14:28:48,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:28:48,323 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 201 transitions. [2022-11-23 14:28:48,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-23 14:28:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2022-11-23 14:28:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-23 14:28:48,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:28:48,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-23 14:28:48,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:28:48,327 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-23 14:28:48,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:28:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash 653961, now seen corresponding path program 1 times [2022-11-23 14:28:48,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:28:48,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932329495] [2022-11-23 14:28:48,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:28:48,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:28:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:28:48,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 14:28:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 14:28:48,405 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 14:28:48,406 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 14:28:48,408 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-23 14:28:48,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-23 14:28:48,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-23 14:28:48,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-23 14:28:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-23 14:28:48,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-23 14:28:48,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-23 14:28:48,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-23 14:28:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-23 14:28:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-23 14:28:48,421 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-23 14:28:48,422 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-23 14:28:48,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:28:48,427 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 14:28:48,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:28:48,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:28:48 BoogieIcfgContainer [2022-11-23 14:28:48,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:28:48,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:28:48,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:28:48,461 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:28:48,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:47" (3/4) ... [2022-11-23 14:28:48,463 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 14:28:48,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:28:48,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:28:48,518 INFO L158 Benchmark]: Toolchain (without parser) took 2537.18ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 92.9MB in the end (delta: 12.7MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-11-23 14:28:48,518 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:28:48,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.90ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 89.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 14:28:48,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.70ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 86.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:28:48,519 INFO L158 Benchmark]: Boogie Preprocessor took 70.79ms. Allocated memory is still 151.0MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:28:48,521 INFO L158 Benchmark]: RCFGBuilder took 1033.17ms. Allocated memory is still 151.0MB. Free memory was 84.6MB in the beginning and 75.7MB in the end (delta: 8.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-23 14:28:48,521 INFO L158 Benchmark]: TraceAbstraction took 907.83ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 95.1MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:28:48,522 INFO L158 Benchmark]: Witness Printer took 57.49ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:28:48,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.90ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 89.8MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.70ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 86.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.79ms. Allocated memory is still 151.0MB. Free memory was 86.7MB in the beginning and 84.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1033.17ms. Allocated memory is still 151.0MB. Free memory was 84.6MB in the beginning and 75.7MB in the end (delta: 8.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * TraceAbstraction took 907.83ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 95.1MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 57.49ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 91]: integer overflow possible integer overflow possible We found a FailurePath: [L689] int s ; [L690] int tmp ; [L694] s = 8464 [L695] CALL ssl3_accept(s) [L20] int s__info_callback = __VERIFIER_nondet_int(); [L21] int s__in_handshake = __VERIFIER_nondet_int(); [L22] int s__state ; [L23] int s__new_session ; [L24] int s__server ; [L25] int s__version = __VERIFIER_nondet_int(); [L26] int s__type ; [L27] int s__init_num ; [L28] int s__hit = __VERIFIER_nondet_int(); [L29] int s__rwstate ; [L30] int s__init_buf___0 ; [L31] int s__debug = __VERIFIER_nondet_int(); [L32] int s__shutdown ; [L33] int s__cert = __VERIFIER_nondet_int(); [L34] int s__options = __VERIFIER_nondet_int(); [L35] int s__verify_mode = __VERIFIER_nondet_int(); [L36] int s__session__peer = __VERIFIER_nondet_int(); [L37] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L38] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L39] int s__ctx__stats__sess_accept_renegotiate ; [L40] int s__ctx__stats__sess_accept ; [L41] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L42] int s__s3__tmp__cert_request ; [L43] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__use_rsa_tmp ; [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_cipher__algo_strength = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int buf = __VERIFIER_nondet_int(); [L51] unsigned long l ; [L52] unsigned long Time ; [L53] unsigned long tmp = __VERIFIER_nondet_ulong(); [L54] int cb ; [L55] long num1 ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int got_new_session ; [L61] int tmp___1 = __VERIFIER_nondet_int(); [L62] int tmp___2 = __VERIFIER_nondet_int(); [L63] int tmp___3 ; [L64] int tmp___4 ; [L65] int tmp___5 ; [L66] int tmp___6 ; [L67] int tmp___7 ; [L68] long tmp___8 = __VERIFIER_nondet_long(); [L69] int tmp___9 ; [L70] int tmp___10 ; [L71] int blastFlag ; [L72] int __retres67 ; [L75] s__state = initial_state [L76] blastFlag = 0 [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback VAL [blastFlag=0, buf=0, cb=-1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=-1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=2147483648, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0, unknown-#in~initial_state-unknown=8464] [L91] s__in_handshake + 1 VAL [blastFlag=0, buf=0, cb=-1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=1, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=-1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=2147483648, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0, unknown-#in~initial_state-unknown=8464] - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 267]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 267]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 368]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 368]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 672]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 672]: 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, 130 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 180 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-23 14:28:48,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a08b10f4-cc2c-4b96-9bb3-e19588b6974e/bin/utaipan-Q6hlc19bkW/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)