./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.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_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/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_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/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_7866234b-3bd3-4700-afdc-62a95d1c477d/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 16cd8401275d965058442f4c39d1da335e2aa9f4 ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/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 03:46:34,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:46:34,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:46:34,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:46:34,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:46:34,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:46:34,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:46:34,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:46:34,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:46:34,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:46:34,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:46:34,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:46:34,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:46:34,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:46:34,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:46:34,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:46:34,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:46:34,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:46:34,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:46:34,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:46:34,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:46:34,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:46:34,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:46:34,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:46:34,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:46:34,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:46:34,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:46:34,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:46:34,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:46:34,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:46:34,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:46:34,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:46:34,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:46:34,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:46:34,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:46:34,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:46:34,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:46:34,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:46:34,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:46:34,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:46:34,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:46:34,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-10-13 03:46:34,670 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:46:34,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:46:34,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:46:34,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:46:34,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:46:34,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:46:34,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:46:34,674 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:46:34,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:46:34,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:46:34,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:46:34,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:46:34,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:46:34,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:46:34,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:46:34,677 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:46:34,677 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:46:34,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:46:34,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:46:34,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:46:34,678 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:46:34,678 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:46:34,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:46:34,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:46:34,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:46:34,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:46:34,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:46:34,679 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:46:34,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:46:34,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:46:34,681 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_7866234b-3bd3-4700-afdc-62a95d1c477d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16cd8401275d965058442f4c39d1da335e2aa9f4 [2021-10-13 03:46:34,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:46:34,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:46:34,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:46:34,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:46:34,967 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:46:34,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2021-10-13 03:46:35,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/data/2edf542e4/c7d50c3580764faaa7a40829a0b124c7/FLAG68bfab0b2 [2021-10-13 03:46:35,508 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:46:35,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2021-10-13 03:46:35,526 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/data/2edf542e4/c7d50c3580764faaa7a40829a0b124c7/FLAG68bfab0b2 [2021-10-13 03:46:35,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/data/2edf542e4/c7d50c3580764faaa7a40829a0b124c7 [2021-10-13 03:46:35,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:46:35,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:46:35,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:46:35,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:46:35,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:46:35,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:46:35" (1/1) ... [2021-10-13 03:46:35,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f700cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:35, skipping insertion in model container [2021-10-13 03:46:35,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:46:35" (1/1) ... [2021-10-13 03:46:35,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:46:35,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:46:36,102 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_7866234b-3bd3-4700-afdc-62a95d1c477d/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c[511,524] [2021-10-13 03:46:36,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:46:36,192 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:46:36,204 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_7866234b-3bd3-4700-afdc-62a95d1c477d/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c[511,524] [2021-10-13 03:46:36,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:46:36,271 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:46:36,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36 WrapperNode [2021-10-13 03:46:36,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:46:36,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:46:36,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:46:36,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:46:36,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:46:36,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:46:36,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:46:36,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:46:36,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:46:36,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:46:36,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:46:36,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:46:36,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:46:36" (1/1) ... [2021-10-13 03:46:36,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:46:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:46:36,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:46:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:46:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:46:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:46:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-10-13 03:46:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-10-13 03:46:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:46:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:46:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2021-10-13 03:46:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2021-10-13 03:46:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-13 03:46:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-13 03:46:37,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:46:37,045 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 03:46:37,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:37 BoogieIcfgContainer [2021-10-13 03:46:37,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:46:37,048 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:46:37,049 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:46:37,059 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:46:37,059 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:37" (1/1) ... [2021-10-13 03:46:37,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:46:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2021-10-13 03:46:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2021-10-13 03:46:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:46:37,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,241 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 03:46:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 78 states and 92 transitions. [2021-10-13 03:46:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2021-10-13 03:46:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:46:37,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,335 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 03:46:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2021-10-13 03:46:37,398 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2021-10-13 03:46:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:46:37,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,465 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 03:46:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2021-10-13 03:46:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2021-10-13 03:46:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:46:37,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,516 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 03:46:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2021-10-13 03:46:37,527 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2021-10-13 03:46:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:46:37,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,557 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 03:46:37,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 91 states and 113 transitions. [2021-10-13 03:46:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2021-10-13 03:46:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:46:37,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,597 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 03:46:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2021-10-13 03:46:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2021-10-13 03:46:37,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:46:37,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,638 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 03:46:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 93 states and 115 transitions. [2021-10-13 03:46:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2021-10-13 03:46:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 03:46:37,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:37,753 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 03:46:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2021-10-13 03:46:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2021-10-13 03:46:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 03:46:37,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:37,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:38,027 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 03:46:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 101 states and 129 transitions. [2021-10-13 03:46:38,206 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2021-10-13 03:46:38,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:46:38,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:38,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:38,258 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 03:46:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 100 states and 128 transitions. [2021-10-13 03:46:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2021-10-13 03:46:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:46:38,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:38,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:38,384 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 03:46:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 104 states and 135 transitions. [2021-10-13 03:46:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2021-10-13 03:46:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 03:46:38,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:38,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:38,455 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 03:46:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 134 transitions. [2021-10-13 03:46:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 134 transitions. [2021-10-13 03:46:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:46:38,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:38,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:38,729 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 03:46:39,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 111 states and 147 transitions. [2021-10-13 03:46:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2021-10-13 03:46:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 03:46:39,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:39,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:46:39,158 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 03:46:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:46:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 151 transitions. [2021-10-13 03:46:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2021-10-13 03:46:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 03:46:39,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:46:39,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:46:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:46:39,198 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:46:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:46:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:46:39,283 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:46:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:46:39,339 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-10-13 03:46:39,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:46:39 ImpRootNode [2021-10-13 03:46:39,372 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:46:39,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:46:39,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:46:39,372 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:46:39,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:46:37" (3/4) ... [2021-10-13 03:46:39,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 03:46:39,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:46:39,378 INFO L168 Benchmark]: Toolchain (without parser) took 3515.02 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 47.6 MB in the beginning and 64.5 MB in the end (delta: -16.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2021-10-13 03:46:39,379 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:46:39,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.05 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 73.6 MB in the end (delta: -26.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-13 03:46:39,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.10 ms. Allocated memory is still 100.7 MB. Free memory was 73.6 MB in the beginning and 71.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:46:39,381 INFO L168 Benchmark]: Boogie Preprocessor took 40.14 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 70.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:46:39,382 INFO L168 Benchmark]: RCFGBuilder took 653.99 ms. Allocated memory is still 100.7 MB. Free memory was 70.2 MB in the beginning and 74.2 MB in the end (delta: -4.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-13 03:46:39,382 INFO L168 Benchmark]: CodeCheck took 2323.32 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 74.2 MB in the beginning and 65.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-13 03:46:39,383 INFO L168 Benchmark]: Witness Printer took 3.95 ms. Allocated memory is still 121.6 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:46:39,388 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 4 procedures, 78 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 2260.3ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 250896 SDtfs, 111078 SDslu, 103956 SDs, 0 SdLazy, 199952 SolverSat, 54894 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1030.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1351 SyntacticMatches, 14 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 963.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 43.2ms SsaConstructionTime, 194.6ms SatisfiabilityAnalysisTime, 613.5ms InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 12/12 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: 73]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 72. Possible FailurePath: [L222] unsigned int a ; [L223] unsigned int ma = __VERIFIER_nondet_uint(); [L224] signed char ea = __VERIFIER_nondet_char(); [L225] unsigned int b ; [L226] unsigned int mb = __VERIFIER_nondet_uint(); [L227] signed char eb = __VERIFIER_nondet_char(); [L228] unsigned int r_add1 ; [L229] unsigned int r_add2 ; [L230] unsigned int zero ; [L231] int tmp ; [L232] int tmp___0 ; [L233] int __retres14 ; [L237] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L25] COND TRUE ! m [L26] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L76] return (__retres4); [L237] RET, EXPR base2flt(0, 0) [L237] zero = base2flt(0, 0) [L238] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L21] unsigned int res ; [L22] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L25] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L31] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L53] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L55] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L72] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0] [L73] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0] [L73] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 64.1 MB in the beginning and 64.0 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 420.05 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 47.4 MB in the beginning and 73.6 MB in the end (delta: -26.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.10 ms. Allocated memory is still 100.7 MB. Free memory was 73.6 MB in the beginning and 71.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.14 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 70.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 653.99 ms. Allocated memory is still 100.7 MB. Free memory was 70.2 MB in the beginning and 74.2 MB in the end (delta: -4.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 2323.32 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 74.2 MB in the beginning and 65.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.95 ms. Allocated memory is still 121.6 MB. Free memory is still 64.5 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 03:46:39,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7866234b-3bd3-4700-afdc-62a95d1c477d/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...