./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/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_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB --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 da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:01:33,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:33,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:33,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:33,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:33,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:33,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:33,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:33,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:33,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:33,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:33,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:33,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:33,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:33,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:33,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:33,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:33,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:33,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:33,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:33,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:33,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:33,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:33,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:33,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:33,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:33,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:33,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:33,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:33,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:33,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:33,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:33,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:33,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:33,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:33,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:33,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:33,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:33,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:33,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:33,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:33,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 17:01:33,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:33,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:33,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:33,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:33,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:33,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:33,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:33,721 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:33,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:01:33,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:33,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:33,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:33,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:33,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:33,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:33,725 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:01:33,726 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:33,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:33,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:33,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:33,728 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:33,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:33,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:33,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:33,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:33,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:33,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:33,737 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:33,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:33,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:33,738 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_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2022-10-17 17:01:33,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:33,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:34,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:34,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:34,006 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:34,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2022-10-17 17:01:34,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/data/6aafb0b39/ec290effa89e4687956646ce7fe8afa1/FLAGc5a1ccdc5 [2022-10-17 17:01:34,618 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:34,618 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2022-10-17 17:01:34,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/data/6aafb0b39/ec290effa89e4687956646ce7fe8afa1/FLAGc5a1ccdc5 [2022-10-17 17:01:34,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/data/6aafb0b39/ec290effa89e4687956646ce7fe8afa1 [2022-10-17 17:01:34,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:34,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:34,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:34,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:34,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:34,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:34" (1/1) ... [2022-10-17 17:01:34,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683f1836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:34, skipping insertion in model container [2022-10-17 17:01:34,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:34" (1/1) ... [2022-10-17 17:01:34,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:34,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:35,253 WARN L230 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_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c[816,829] [2022-10-17 17:01:35,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:35,376 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:35,398 WARN L230 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_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c[816,829] [2022-10-17 17:01:35,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:35,480 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:35,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35 WrapperNode [2022-10-17 17:01:35,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:35,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:35,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:35,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:35,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,530 INFO L138 Inliner]: procedures = 18, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 182 [2022-10-17 17:01:35,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:35,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:35,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:35,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:35,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,565 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:35,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:35,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:35,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:35,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:35" (1/1) ... [2022-10-17 17:01:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:35,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:35,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:35,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:35,661 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2022-10-17 17:01:35,661 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2022-10-17 17:01:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2022-10-17 17:01:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2022-10-17 17:01:35,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:35,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:35,746 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:35,749 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:36,433 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:36,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:36,747 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:01:36,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:36 BoogieIcfgContainer [2022-10-17 17:01:36,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:36,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:36,752 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:36,763 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:36,764 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:36" (1/1) ... [2022-10-17 17:01:36,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 94 states and 110 transitions. [2022-10-17 17:01:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2022-10-17 17:01:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:36,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 94 states and 108 transitions. [2022-10-17 17:01:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2022-10-17 17:01:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:37,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 100 states and 119 transitions. [2022-10-17 17:01:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2022-10-17 17:01:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:37,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 104 states and 125 transitions. [2022-10-17 17:01:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2022-10-17 17:01:37,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:37,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 106 states and 128 transitions. [2022-10-17 17:01:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2022-10-17 17:01:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:37,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 107 states and 129 transitions. [2022-10-17 17:01:37,618 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2022-10-17 17:01:37,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:37,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2022-10-17 17:01:37,669 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2022-10-17 17:01:37,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:37,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 109 states and 131 transitions. [2022-10-17 17:01:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2022-10-17 17:01:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:01:37,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2022-10-17 17:01:38,065 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2022-10-17 17:01:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:38,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 117 states and 145 transitions. [2022-10-17 17:01:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 145 transitions. [2022-10-17 17:01:38,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:38,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:38,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 116 states and 144 transitions. [2022-10-17 17:01:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2022-10-17 17:01:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:38,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 120 states and 151 transitions. [2022-10-17 17:01:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2022-10-17 17:01:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:38,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:38,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 119 states and 150 transitions. [2022-10-17 17:01:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2022-10-17 17:01:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:38,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:39,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 127 states and 163 transitions. [2022-10-17 17:01:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-10-17 17:01:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:39,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 130 states and 167 transitions. [2022-10-17 17:01:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 167 transitions. [2022-10-17 17:01:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:01:39,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:39,335 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:01:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:39,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:01:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:39,495 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2022-10-17 17:01:39,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:39 ImpRootNode [2022-10-17 17:01:39,544 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:39,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:39,545 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:39,545 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:39,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:36" (3/4) ... [2022-10-17 17:01:39,549 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 17:01:39,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:39,551 INFO L158 Benchmark]: Toolchain (without parser) took 4592.10ms. Allocated memory was 113.2MB in the beginning and 184.5MB in the end (delta: 71.3MB). Free memory was 80.5MB in the beginning and 150.4MB in the end (delta: -69.9MB). Peak memory consumption was 907.7kB. Max. memory is 16.1GB. [2022-10-17 17:01:39,551 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:39,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.71ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 80.2MB in the beginning and 119.4MB in the end (delta: -39.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:01:39,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.02ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:39,554 INFO L158 Benchmark]: Boogie Preprocessor took 40.76ms. Allocated memory is still 151.0MB. Free memory was 117.3MB in the beginning and 115.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:39,555 INFO L158 Benchmark]: RCFGBuilder took 1177.04ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 107.5MB in the end (delta: 7.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-10-17 17:01:39,556 INFO L158 Benchmark]: CodeCheck took 2792.41ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 107.5MB in the beginning and 150.4MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:39,556 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 184.5MB. Free memory was 150.4MB in the beginning and 150.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:39,560 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, 94 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 947 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 445 mSDsluCounter, 932 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 480 mSDsCounter, 308 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1039 IncrementalHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 308 mSolverCounterUnsat, 494 mSDtfsCounter, 1039 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1418 GetRequests, 1366 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseComplement at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; VAL [ea=127, eb=127] [L245] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=4, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=0, m=0, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=0, \old(res = m | (unsigned int )((e + 128) << 24U))=4, __retres4=0, e=0, m=0, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) VAL [base2flt(0, 0)=0, ea=127, eb=127, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L245] zero = base2flt(0, 0) [L246] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L33] COND FALSE !(! m) VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L61] COND TRUE 1 VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=33554431, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=6, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L81] EXPR e + 128 VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=6, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] [L81] (e + 128) << 24U VAL [\old(e)=127, \old(m = m & ~ (1U << 24U))=-4261412864, \old(m)=33554431, \old(res = m | (unsigned int )((e + 128) << 24U))=4, e=127, m=6, m = m & ~ (1U << 24U)=-4261412864, res = m | (unsigned int )((e + 128) << 24U)=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.71ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 80.2MB in the beginning and 119.4MB in the end (delta: -39.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.02ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.76ms. Allocated memory is still 151.0MB. Free memory was 117.3MB in the beginning and 115.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1177.04ms. Allocated memory is still 151.0MB. Free memory was 115.2MB in the beginning and 107.5MB in the end (delta: 7.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * CodeCheck took 2792.41ms. Allocated memory was 151.0MB in the beginning and 184.5MB in the end (delta: 33.6MB). Free memory was 107.5MB in the beginning and 150.4MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 184.5MB. Free memory was 150.4MB in the beginning and 150.4MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-17 17:01:39,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0f0ef2-9856-4b62-af3e-5580fbcc6c29/bin/ukojak-92XMlrwhuB/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