./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 321f75897547ff7e329cb9f101649cbedc234a94 ................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:58:37,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:58:37,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:58:37,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:58:37,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:58:37,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:58:37,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:58:37,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:58:37,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:58:37,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:58:37,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:58:37,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:58:37,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:58:37,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:58:37,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:58:37,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:58:37,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:58:37,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:58:37,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:58:37,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:58:37,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:58:37,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:58:37,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:58:37,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:58:37,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:58:37,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:58:37,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:58:37,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:58:37,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:58:37,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:58:37,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:58:37,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:58:37,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:58:37,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:58:37,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:58:37,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:58:37,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:58:37,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:58:37,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:58:37,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:58:37,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:58:37,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-13 00:58:37,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:58:37,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:58:37,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:58:37,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:58:37,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:58:37,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:58:37,803 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:58:37,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:58:37,804 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:58:37,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:58:37,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:58:37,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:58:37,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:58:37,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:58:37,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:58:37,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:58:37,807 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 00:58:37,808 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:58:37,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:58:37,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:58:37,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:58:37,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:58:37,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:58:37,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:58:37,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:58:37,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:58:37,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:58:37,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:58:37,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:58:37,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:58:37,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:58:37,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:58:37,812 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_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 321f75897547ff7e329cb9f101649cbedc234a94 [2021-10-13 00:58:38,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:58:38,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:58:38,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:58:38,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:58:38,225 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:58:38,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2021-10-13 00:58:38,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/data/fda74be33/b6b4a31e805c4ababc56d4d8be14fa02/FLAG365ce7afc [2021-10-13 00:58:39,047 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:58:39,048 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2021-10-13 00:58:39,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/data/fda74be33/b6b4a31e805c4ababc56d4d8be14fa02/FLAG365ce7afc [2021-10-13 00:58:39,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/data/fda74be33/b6b4a31e805c4ababc56d4d8be14fa02 [2021-10-13 00:58:39,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:58:39,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:58:39,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:39,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:58:39,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:58:39,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11442405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:39, skipping insertion in model container [2021-10-13 00:58:39,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:58:39" (1/1) ... [2021-10-13 00:58:39,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:58:39,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:58:39,932 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_ad4e56c0-8c19-4178-a36b-9f8595cf7003/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c[44946,44959] [2021-10-13 00:58:39,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:39,967 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:58:40,084 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_ad4e56c0-8c19-4178-a36b-9f8595cf7003/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c[44946,44959] [2021-10-13 00:58:40,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:58:40,117 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:58:40,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40 WrapperNode [2021-10-13 00:58:40,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:58:40,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:40,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:58:40,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:58:40,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:58:40,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:58:40,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:58:40,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:58:40,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:58:40,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:58:40,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:58:40,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:58:40,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (1/1) ... [2021-10-13 00:58:40,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:58:40,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:58:40,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:58:40,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:58:40,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:58:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:58:40,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:58:40,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:58:40,638 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:58:41,334 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-10-13 00:58:41,335 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-10-13 00:58:41,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:58:41,353 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 00:58:41,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:41 BoogieIcfgContainer [2021-10-13 00:58:41,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:58:41,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:58:41,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:58:41,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:58:41,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:58:39" (1/3) ... [2021-10-13 00:58:41,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348d1896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:58:41, skipping insertion in model container [2021-10-13 00:58:41,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:58:40" (2/3) ... [2021-10-13 00:58:41,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348d1896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:58:41, skipping insertion in model container [2021-10-13 00:58:41,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:41" (3/3) ... [2021-10-13 00:58:41,368 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1_alt.BV.c.cil.c [2021-10-13 00:58:41,375 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:58:41,375 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-13 00:58:41,430 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:58:41,438 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:58:41,439 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-13 00:58:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 154 states have (on average 1.7597402597402598) internal successors, (271), 170 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:41,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 00:58:41,469 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:58:41,470 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:58:41,471 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-13 00:58:41,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:41,477 INFO L82 PathProgramCache]: Analyzing trace with hash 889508720, now seen corresponding path program 1 times [2021-10-13 00:58:41,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:41,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358112320] [2021-10-13 00:58:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:41,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:58:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:58:41,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:58:41,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358112320] [2021-10-13 00:58:41,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358112320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:58:41,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:58:41,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:58:41,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772787970] [2021-10-13 00:58:41,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:58:41,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:58:41,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:58:41,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:58:41,749 INFO L87 Difference]: Start difference. First operand has 171 states, 154 states have (on average 1.7597402597402598) internal successors, (271), 170 states have internal predecessors, (271), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:41,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:58:41,796 INFO L93 Difference]: Finished difference Result 339 states and 538 transitions. [2021-10-13 00:58:41,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:58:41,798 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-13 00:58:41,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:58:41,813 INFO L225 Difference]: With dead ends: 339 [2021-10-13 00:58:41,814 INFO L226 Difference]: Without dead ends: 163 [2021-10-13 00:58:41,818 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:58:41,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-10-13 00:58:41,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2021-10-13 00:58:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 147 states have (on average 1.7346938775510203) internal successors, (255), 162 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 255 transitions. [2021-10-13 00:58:41,881 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 255 transitions. Word has length 6 [2021-10-13 00:58:41,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:58:41,881 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 255 transitions. [2021-10-13 00:58:41,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:58:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 255 transitions. [2021-10-13 00:58:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 00:58:41,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:58:41,883 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:58:41,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:58:41,884 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-13 00:58:41,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:58:41,885 INFO L82 PathProgramCache]: Analyzing trace with hash 889568302, now seen corresponding path program 1 times [2021-10-13 00:58:41,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:58:41,886 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597744485] [2021-10-13 00:58:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:58:41,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:58:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:41,941 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:58:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:58:42,075 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:58:42,079 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 00:58:42,082 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,085 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,086 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,087 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,088 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,089 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,090 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,091 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,092 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,093 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,094 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,096 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-13 00:58:42,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:58:42,106 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:58:42,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:58:42 BoogieIcfgContainer [2021-10-13 00:58:42,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:58:42,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:58:42,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:58:42,145 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:58:42,145 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:58:41" (3/4) ... [2021-10-13 00:58:42,148 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 00:58:42,231 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:58:42,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:58:42,235 INFO L168 Benchmark]: Toolchain (without parser) took 2872.80 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 71.1 MB in the beginning and 85.1 MB in the end (delta: -14.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:42,235 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 113.2 MB. Free memory is still 87.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:42,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.11 ms. Allocated memory is still 113.2 MB. Free memory was 70.9 MB in the beginning and 82.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:42,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.89 ms. Allocated memory is still 113.2 MB. Free memory was 82.4 MB in the beginning and 79.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:42,237 INFO L168 Benchmark]: Boogie Preprocessor took 92.94 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 77.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:42,237 INFO L168 Benchmark]: RCFGBuilder took 1028.02 ms. Allocated memory is still 113.2 MB. Free memory was 77.2 MB in the beginning and 48.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:42,238 INFO L168 Benchmark]: TraceAbstraction took 785.04 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 47.8 MB in the beginning and 88.0 MB in the end (delta: -40.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:58:42,239 INFO L168 Benchmark]: Witness Printer took 87.30 ms. Allocated memory is still 136.3 MB. Free memory was 88.0 MB in the beginning and 85.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:58:42,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 113.2 MB. Free memory is still 87.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.11 ms. Allocated memory is still 113.2 MB. Free memory was 70.9 MB in the beginning and 82.4 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.89 ms. Allocated memory is still 113.2 MB. Free memory was 82.4 MB in the beginning and 79.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.94 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 77.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1028.02 ms. Allocated memory is still 113.2 MB. Free memory was 77.2 MB in the beginning and 48.5 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 785.04 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 47.8 MB in the beginning and 88.0 MB in the end (delta: -40.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 87.30 ms. Allocated memory is still 136.3 MB. Free memory was 88.0 MB in the beginning and 85.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 91]: integer overflow possible integer overflow possible We found a FailurePath: [L691] int s ; [L692] int tmp ; [L696] s = 8464 [L16] int s__info_callback = __VERIFIER_nondet_int(); [L17] int s__in_handshake = __VERIFIER_nondet_int(); [L18] int s__state ; [L19] int s__new_session ; [L20] int s__server ; [L21] int s__version = __VERIFIER_nondet_int(); [L22] int s__type ; [L23] int s__init_num ; [L24] int s__hit = __VERIFIER_nondet_int(); [L25] int s__rwstate ; [L26] int s__init_buf___0 ; [L27] int s__debug = __VERIFIER_nondet_int(); [L28] int s__shutdown ; [L29] int s__cert = __VERIFIER_nondet_int(); [L30] int s__options = __VERIFIER_nondet_int(); [L31] int s__verify_mode = __VERIFIER_nondet_int(); [L32] int s__session__peer = __VERIFIER_nondet_int(); [L33] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] int s__ctx__stats__sess_accept_renegotiate ; [L36] int s__ctx__stats__sess_accept ; [L37] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__cert_request ; [L39] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L40] int s__s3__tmp__use_rsa_tmp ; [L41] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L42] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__next_state___0 ; [L44] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L45] int s__session__cipher ; [L46] int buf = __VERIFIER_nondet_int(); [L47] unsigned long l ; [L48] unsigned long Time ; [L49] unsigned long tmp = __VERIFIER_nondet_ulong(); [L50] int cb ; [L51] long num1 ; [L52] int ret ; [L53] int new_state ; [L54] int state ; [L55] int skip ; [L56] int got_new_session ; [L57] int tmp___1 = __VERIFIER_nondet_int(); [L58] int tmp___2 = __VERIFIER_nondet_int(); [L59] int tmp___3 ; [L60] int tmp___4 ; [L61] int tmp___5 ; [L62] int tmp___6 ; [L63] int tmp___7 ; [L64] long tmp___8 = __VERIFIER_nondet_long(); [L65] int tmp___9 ; [L66] int tmp___10 ; [L67] int blastFlag ; [L68] int ag_X ; [L69] int ag_Y = __VERIFIER_nondet_int(); [L70] int ag_Z ; [L71] int __retres70 ; [L3] COND FALSE !(!cond) [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 [L91] s__in_handshake + 1 - 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: 268]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 268]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 270]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 270]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 369]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 369]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 674]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 674]: 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, 171 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 674.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.8ms, AutomataDifference: 89.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 267 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 43.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 25.2ms SsaConstructionTime, 92.9ms SatisfiabilityAnalysisTime, 71.1ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 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! [2021-10-13 00:58:42,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad4e56c0-8c19-4178-a36b-9f8595cf7003/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...