./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c2e672d799ecf4a1571232d8d4cf7d853f5169b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:33:16,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:33:16,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:33:16,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:33:16,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:33:16,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:33:16,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:33:16,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:33:16,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:33:16,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:33:16,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:33:16,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:33:16,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:33:16,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:33:16,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:33:16,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:33:16,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:33:16,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:33:16,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:33:16,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:33:16,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:33:16,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:33:16,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:33:16,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:33:16,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:33:16,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:33:16,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:33:16,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:33:16,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:33:16,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:33:16,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:33:16,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:33:16,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:33:16,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:33:16,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:33:16,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:33:16,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:33:16,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:33:16,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:33:16,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:33:16,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:33:16,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 04:33:16,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:33:16,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:33:16,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:33:16,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:33:16,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:33:16,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:33:16,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:33:16,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 04:33:16,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:33:16,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:33:16,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 04:33:16,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:33:16,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:33:16,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:33:16,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:33:16,474 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:33:16,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 04:33:16,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:33:16,475 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:33:16,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:33:16,475 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:33:16,475 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:33:16,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:33:16,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:33:16,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:33:16,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:33:16,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:33:16,477 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:33:16,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:33:16,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:33:16,477 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_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c2e672d799ecf4a1571232d8d4cf7d853f5169b [2021-10-13 04:33:16,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:33:16,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:33:16,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:33:16,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:33:16,760 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:33:16,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-10-13 04:33:16,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/data/278fda025/bfda1984a69c4cd1b118154271a75913/FLAG588edb6df [2021-10-13 04:33:17,234 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:33:17,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c [2021-10-13 04:33:17,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/data/278fda025/bfda1984a69c4cd1b118154271a75913/FLAG588edb6df [2021-10-13 04:33:17,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/data/278fda025/bfda1984a69c4cd1b118154271a75913 [2021-10-13 04:33:17,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:33:17,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:33:17,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:33:17,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:33:17,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:33:17,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:17,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10472d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17, skipping insertion in model container [2021-10-13 04:33:17,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:17,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:33:17,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:33:17,897 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_bc8007b5-d14b-4211-a236-2cefe205ff13/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37628,37641] [2021-10-13 04:33:17,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:33:17,913 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:33:17,967 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_bc8007b5-d14b-4211-a236-2cefe205ff13/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2a.c[37628,37641] [2021-10-13 04:33:17,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:33:17,983 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:33:17,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17 WrapperNode [2021-10-13 04:33:17,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:33:17,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:33:17,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:33:17,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:33:17,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:33:18,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:33:18,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:33:18,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:33:18,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:33:18,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:33:18,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:33:18,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:33:18,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:33:17" (1/1) ... [2021-10-13 04:33:18,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:33:18,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:33:18,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:33:18,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:33:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 04:33:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 04:33:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:33:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:33:18,381 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 04:33:18,912 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-13 04:33:18,912 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-13 04:33:19,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:33:19,321 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 04:33:19,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:33:19 BoogieIcfgContainer [2021-10-13 04:33:19,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:33:19,324 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:33:19,324 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:33:19,334 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:33:19,335 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:33:19" (1/1) ... [2021-10-13 04:33:19,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:33:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:19,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 127 states and 193 transitions. [2021-10-13 04:33:19,377 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 193 transitions. [2021-10-13 04:33:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 04:33:19,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:19,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:19,549 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 04:33:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions. [2021-10-13 04:33:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2021-10-13 04:33:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 04:33:19,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:19,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 138 states and 210 transitions. [2021-10-13 04:33:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 210 transitions. [2021-10-13 04:33:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 04:33:19,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:19,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2021-10-13 04:33:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2021-10-13 04:33:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 04:33:20,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:20,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 171 states and 289 transitions. [2021-10-13 04:33:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions. [2021-10-13 04:33:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 04:33:20,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:20,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 173 states and 292 transitions. [2021-10-13 04:33:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 292 transitions. [2021-10-13 04:33:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 04:33:20,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:20,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 188 states and 312 transitions. [2021-10-13 04:33:21,106 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 312 transitions. [2021-10-13 04:33:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 04:33:21,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:21,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2021-10-13 04:33:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2021-10-13 04:33:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 04:33:21,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:21,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:21,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 190 states and 314 transitions. [2021-10-13 04:33:21,261 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2021-10-13 04:33:21,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 04:33:21,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:21,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2021-10-13 04:33:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2021-10-13 04:33:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 04:33:21,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:21,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions. [2021-10-13 04:33:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions. [2021-10-13 04:33:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 04:33:21,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:21,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 194 states and 319 transitions. [2021-10-13 04:33:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 319 transitions. [2021-10-13 04:33:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 04:33:21,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:21,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 205 states and 340 transitions. [2021-10-13 04:33:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 340 transitions. [2021-10-13 04:33:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 04:33:21,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:21,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 215 states and 351 transitions. [2021-10-13 04:33:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 351 transitions. [2021-10-13 04:33:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 04:33:22,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:22,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 226 states and 372 transitions. [2021-10-13 04:33:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 372 transitions. [2021-10-13 04:33:22,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 04:33:22,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:22,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:22,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 04:33:22,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 04:33:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 236 states and 400 transitions. [2021-10-13 04:33:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 400 transitions. [2021-10-13 04:33:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 04:33:23,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:23,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:23,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 04:33:23,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 04:33:23,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 237 states and 401 transitions. [2021-10-13 04:33:23,790 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 401 transitions. [2021-10-13 04:33:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 04:33:23,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:23,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:23,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 04:33:23,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 04:33:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 239 states and 404 transitions. [2021-10-13 04:33:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 404 transitions. [2021-10-13 04:33:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-13 04:33:23,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:23,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:24,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 242 states and 414 transitions. [2021-10-13 04:33:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 414 transitions. [2021-10-13 04:33:24,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 04:33:24,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:24,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-13 04:33:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:24,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 253 states and 431 transitions. [2021-10-13 04:33:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 431 transitions. [2021-10-13 04:33:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-13 04:33:24,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:24,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:25,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 268 states and 451 transitions. [2021-10-13 04:33:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 451 transitions. [2021-10-13 04:33:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 04:33:25,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:25,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 269 states and 452 transitions. [2021-10-13 04:33:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 452 transitions. [2021-10-13 04:33:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-13 04:33:25,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:25,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:25,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:33:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 283 states and 477 transitions. [2021-10-13 04:33:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 477 transitions. [2021-10-13 04:33:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-13 04:33:27,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:27,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:27,199 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:33:27,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 284 states and 478 transitions. [2021-10-13 04:33:27,217 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 478 transitions. [2021-10-13 04:33:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-13 04:33:27,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:27,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:33:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-13 04:33:27,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:33:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 298 states and 511 transitions. [2021-10-13 04:33:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 511 transitions. [2021-10-13 04:33:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-13 04:33:27,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:33:27,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:33:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:27,828 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:33:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:27,929 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 04:33:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 04:33:28,023 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2021-10-13 04:33:28,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:33:28 ImpRootNode [2021-10-13 04:33:28,176 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:33:28,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:33:28,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:33:28,177 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:33:28,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:33:19" (3/4) ... [2021-10-13 04:33:28,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 04:33:28,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:33:28,185 INFO L168 Benchmark]: Toolchain (without parser) took 10578.52 ms. Allocated memory was 86.0 MB in the beginning and 161.5 MB in the end (delta: 75.5 MB). Free memory was 64.4 MB in the beginning and 109.0 MB in the end (delta: -44.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:28,186 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 62.1 MB in the beginning and 62.0 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:33:28,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.06 ms. Allocated memory is still 86.0 MB. Free memory was 64.2 MB in the beginning and 58.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:28,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.66 ms. Allocated memory is still 86.0 MB. Free memory was 58.3 MB in the beginning and 55.6 MB in the end (delta: 2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:33:28,188 INFO L168 Benchmark]: Boogie Preprocessor took 78.55 ms. Allocated memory is still 86.0 MB. Free memory was 55.6 MB in the beginning and 53.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:28,189 INFO L168 Benchmark]: RCFGBuilder took 1186.21 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.6 MB in the beginning and 52.9 MB in the end (delta: 690.8 kB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-13 04:33:28,189 INFO L168 Benchmark]: CodeCheck took 8852.29 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 52.9 MB in the beginning and 110.0 MB in the end (delta: -57.2 MB). Peak memory consumption was 386.5 kB. Max. memory is 16.1 GB. [2021-10-13 04:33:28,190 INFO L168 Benchmark]: Witness Printer took 4.26 ms. Allocated memory is still 161.5 MB. Free memory was 110.0 MB in the beginning and 109.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:33:28,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 127 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 8672.7ms, OverallIterations: 25, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 453953956 SDtfs, 369803146 SDslu, 408477656 SDs, 0 SdLazy, 749290440 SolverSat, 196879102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7902.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6942 GetRequests, 6503 SyntacticMatches, 249 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18179 ImplicationChecksByTransitivity, 5416.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 116.4ms SsaConstructionTime, 421.5ms SatisfiabilityAnalysisTime, 1419.8ms InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 1707 SizeOfPredicates, 12 NumberOfNonLiveVariables, 509 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 189/195 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 221. Possible FailurePath: [L630] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 = __VERIFIER_nondet_int(); [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags = __VERIFIER_nondet_int(); [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 = __VERIFIER_nondet_int(); [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 ; [L54] int tmp___2 ; [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int ag_Z = __VERIFIER_nondet_int(); [L66] unsigned int ag_V ; [L67] unsigned int ag_W ; [L68] int __retres62 ; [L71] ag_V = 2U [L72] ag_W = 5U [L73] s__state = 12292 [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] cb = 0 [L77] ret = -1 [L78] skip = 0 [L79] tmp___0 = 0 [L80] COND FALSE !(s__info_callback != 0) [L83] COND FALSE !(s__ctx__info_callback != 0) [L89] s__in_handshake = s__in_handshake + 1 [L90] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE tmp___1 & 12288 [L92] tmp___2 = __VERIFIER_nondet_int() [L93] COND TRUE tmp___2 & 16384 [L102] COND TRUE 1 [L104] state = s__state [L105] COND TRUE s__state == 12292 [L208] s__new_session = 1 [L209] s__state = 4096 [L210] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L215] s__server = 0 [L216] COND FALSE !(cb != 0) [L221] COND FALSE !((s__version & 65280) != 768) [L227] s__type = 4096 [L228] COND FALSE !(s__init_buf___0 == 0) [L247] tmp___4 = __VERIFIER_nondet_int() [L248] COND FALSE !(! tmp___4) [L254] tmp___5 = __VERIFIER_nondet_int() [L255] COND FALSE !(! tmp___5) [L261] s__state = 4368 [L262] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L263] s__init_num = 0 [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND TRUE s__state == 4368 [L267] s__shutdown = 0 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 0 [L270] blastFlag = 1 [L274] COND FALSE !(ret <= 0) [L279] s__state = 4384 [L280] s__init_num = 0 [L281] COND TRUE s__bbio != s__wbio [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND TRUE s__state == 4384 [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 1 [L291] blastFlag = 2 [L295] COND FALSE !(ret <= 0) [L300] COND FALSE !(\read(s__hit)) [L303] s__state = 4400 [L305] s__init_num = 0 [L579] COND FALSE !(! s__s3__tmp__reuse_message) [L608] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND FALSE !(s__state == 4384) [L129] COND FALSE !(s__state == 4385) [L132] COND TRUE s__state == 4400 [L309] s__s3__tmp__new_cipher__algorithms - 256 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 62.1 MB in the beginning and 62.0 MB in the end (delta: 37.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.06 ms. Allocated memory is still 86.0 MB. Free memory was 64.2 MB in the beginning and 58.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.66 ms. Allocated memory is still 86.0 MB. Free memory was 58.3 MB in the beginning and 55.6 MB in the end (delta: 2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.55 ms. Allocated memory is still 86.0 MB. Free memory was 55.6 MB in the beginning and 53.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1186.21 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.6 MB in the beginning and 52.9 MB in the end (delta: 690.8 kB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * CodeCheck took 8852.29 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 52.9 MB in the beginning and 110.0 MB in the end (delta: -57.2 MB). Peak memory consumption was 386.5 kB. Max. memory is 16.1 GB. * Witness Printer took 4.26 ms. Allocated memory is still 161.5 MB. Free memory was 110.0 MB in the beginning and 109.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-13 04:33:28,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc8007b5-d14b-4211-a236-2cefe205ff13/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...