./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ --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 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c --- 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-6b4ec56 [2022-11-20 18:06:51,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:06:51,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:06:51,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:06:51,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:06:51,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:06:51,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:06:51,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:06:51,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:06:51,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:06:51,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:06:51,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:06:51,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:06:51,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:06:51,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:06:51,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:06:51,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:06:51,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:06:51,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:06:51,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:06:51,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:06:51,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:06:51,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:06:51,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:06:51,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:06:51,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:06:51,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:06:51,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:06:51,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:06:51,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:06:51,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:06:51,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:06:51,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:06:51,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:06:51,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:06:51,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:06:51,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:06:51,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:06:51,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:06:51,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:06:51,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:06:51,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:06:51,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:06:51,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:06:51,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:06:51,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:06:51,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:06:51,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:06:51,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:06:51,523 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:06:51,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:06:51,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:06:51,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:06:51,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:06:51,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:06:51,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:06:51,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:06:51,525 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:06:51,525 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:06:51,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:06:51,526 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:06:51,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:06:51,526 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:06:51,526 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:06:51,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:06:51,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:06:51,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:06:51,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:06:51,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:06:51,528 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:06:51,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:06:51,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:06:51,528 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_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c [2022-11-20 18:06:51,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:06:51,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:06:51,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:06:51,873 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:06:51,874 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:06:51,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2022-11-20 18:06:54,907 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:06:55,170 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:06:55,171 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2022-11-20 18:06:55,182 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/data/789360019/d2b136fc6fa24bafaa168da4420748f5/FLAGc5549e3bc [2022-11-20 18:06:55,197 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/data/789360019/d2b136fc6fa24bafaa168da4420748f5 [2022-11-20 18:06:55,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:06:55,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:06:55,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:06:55,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:06:55,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:06:55,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a69003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55, skipping insertion in model container [2022-11-20 18:06:55,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:06:55,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:06:55,429 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c[2072,2085] [2022-11-20 18:06:55,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:06:55,568 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:06:55,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c[2072,2085] [2022-11-20 18:06:55,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:06:55,729 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:06:55,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55 WrapperNode [2022-11-20 18:06:55,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:06:55,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:06:55,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:06:55,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:06:55,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,827 INFO L138 Inliner]: procedures = 38, calls = 66, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 775 [2022-11-20 18:06:55,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:06:55,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:06:55,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:06:55,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:06:55,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:06:55,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:06:55,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:06:55,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:06:55,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:06:55" (1/1) ... [2022-11-20 18:06:55,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:06:55,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:06:55,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:06:55,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:06:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:06:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-11-20 18:06:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-11-20 18:06:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2022-11-20 18:06:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2022-11-20 18:06:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2022-11-20 18:06:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2022-11-20 18:06:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2022-11-20 18:06:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2022-11-20 18:06:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2022-11-20 18:06:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2022-11-20 18:06:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-11-20 18:06:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-11-20 18:06:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:06:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-11-20 18:06:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-11-20 18:06:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2022-11-20 18:06:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2022-11-20 18:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2022-11-20 18:06:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2022-11-20 18:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:06:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:06:56,230 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:06:56,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:06:56,252 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 18:06:56,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-20 18:06:56,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-20 18:06:56,389 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 18:06:56,415 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2022-11-20 18:06:56,415 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2022-11-20 18:06:56,467 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 18:06:56,476 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 18:06:56,490 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 18:06:57,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2022-11-20 18:06:57,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2022-11-20 18:06:57,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-11-20 18:06:57,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-11-20 18:06:57,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2022-11-20 18:06:57,158 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2022-11-20 18:06:57,160 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 18:06:57,205 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2022-11-20 18:06:57,205 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2022-11-20 18:06:57,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:06:57,488 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:06:57,488 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:06:57,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:06:57 BoogieIcfgContainer [2022-11-20 18:06:57,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:06:57,493 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:06:57,493 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:06:57,502 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:06:57,503 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:06:57" (1/1) ... [2022-11-20 18:06:57,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:06:57,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:06:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 265 states and 371 transitions. [2022-11-20 18:06:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 371 transitions. [2022-11-20 18:06:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:06:57,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:06:57,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:06:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:06:57,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:06:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:06:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:06:57,845 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:06:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:06:57,944 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 18:06:58,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:06:58 ImpRootNode [2022-11-20 18:06:58,006 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:06:58,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:06:58,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:06:58,007 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:06:58,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:06:57" (3/4) ... [2022-11-20 18:06:58,009 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:06:58,102 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:06:58,103 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:06:58,103 INFO L158 Benchmark]: Toolchain (without parser) took 2902.07ms. Allocated memory is still 195.0MB. Free memory was 153.8MB in the beginning and 152.3MB in the end (delta: 1.5MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-11-20 18:06:58,103 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:06:58,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.23ms. Allocated memory is still 195.0MB. Free memory was 153.3MB in the beginning and 132.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 18:06:58,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.76ms. Allocated memory is still 195.0MB. Free memory was 132.4MB in the beginning and 127.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:06:58,105 INFO L158 Benchmark]: Boogie Preprocessor took 72.28ms. Allocated memory is still 195.0MB. Free memory was 127.8MB in the beginning and 124.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:06:58,105 INFO L158 Benchmark]: RCFGBuilder took 1591.19ms. Allocated memory is still 195.0MB. Free memory was 124.5MB in the beginning and 96.7MB in the end (delta: 27.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-11-20 18:06:58,106 INFO L158 Benchmark]: CodeCheck took 512.56ms. Allocated memory is still 195.0MB. Free memory was 95.7MB in the beginning and 156.5MB in the end (delta: -60.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 18:06:58,106 INFO L158 Benchmark]: Witness Printer took 96.40ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 152.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:06:58,108 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 10 procedures, 265 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 427]: integer overflow possible integer overflow possible We found a FailurePath: [L31] int s ; [L32] int UNLOADED ; [L33] int NP ; [L34] int DC ; [L35] int SKIP1 ; [L36] int SKIP2 ; [L37] int MPR1 ; [L38] int MPR3 ; [L39] int IPC ; [L40] int pended ; [L41] int compFptr ; [L42] int compRegistered ; [L43] int lowerDriverReturn ; [L44] int setEventCalled ; [L45] int customIrp ; [L46] int myStatus ; [L47] int routine ; [L48] int pirp ; [L49] int Executive ; [L50] int KernelMode ; [L648] int d = __VERIFIER_nondet_int() ; [L649] int status = __VERIFIER_nondet_int() ; [L650] int we_should_unload = __VERIFIER_nondet_int() ; [L651] int irp = __VERIFIER_nondet_int() ; [L652] int pirp__IoStatus__Status ; [L653] int irp_choice = __VERIFIER_nondet_int() ; [L654] int devobj = __VERIFIER_nondet_int() ; [L655] int __cil_tmp9 ; [L657] s = 0 [L658] UNLOADED = 0 [L659] NP = 0 [L660] DC = 0 [L661] SKIP1 = 0 [L662] SKIP2 = 0 [L663] MPR1 = 0 [L664] MPR3 = 0 [L665] IPC = 0 [L666] pended = 0 [L667] compFptr = 0 [L668] compRegistered = 0 [L669] lowerDriverReturn = 0 [L670] setEventCalled = 0 [L671] customIrp = 0 [L672] myStatus = 0 [L673] routine = 0 [L674] pirp = 0 [L675] Executive = 0 [L676] KernelMode = 0 [L680] pirp = irp [L681] CALL _BLAST_init() [L64] UNLOADED = 0 [L65] NP = 1 [L66] DC = 2 [L67] SKIP1 = 3 [L68] SKIP2 = 4 [L69] MPR1 = 5 [L70] MPR3 = 6 [L71] IPC = 7 [L72] s = UNLOADED [L73] pended = 0 [L74] compFptr = 0 [L75] compRegistered = 0 [L76] lowerDriverReturn = 0 [L77] setEventCalled = 0 [L78] customIrp = 0 [L681] RET _BLAST_init() [L683] COND TRUE status >= 0 [L684] s = NP [L685] customIrp = 0 [L686] setEventCalled = customIrp [L687] lowerDriverReturn = setEventCalled [L688] compRegistered = lowerDriverReturn [L689] compFptr = compRegistered [L690] pended = compFptr [L691] pirp__IoStatus__Status = 0 [L692] myStatus = 0 [L693] COND FALSE !(irp_choice == 0) [L698] CALL stub_driver_init() [L637] s = NP [L638] customIrp = 0 [L639] setEventCalled = customIrp [L640] lowerDriverReturn = setEventCalled [L641] compRegistered = lowerDriverReturn [L642] compFptr = compRegistered [L643] pended = compFptr [L698] RET stub_driver_init() [L701] COND FALSE !(status < 0) [L705] int tmp_ndt_1; [L706] tmp_ndt_1 = __VERIFIER_nondet_int() [L707] COND FALSE !(tmp_ndt_1 == 0) [L710] int tmp_ndt_2; [L711] tmp_ndt_2 = __VERIFIER_nondet_int() [L712] COND TRUE tmp_ndt_2 == 2 [L739] CALL DiskPerfDeviceControl(devobj, pirp) [L355] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L356] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L357] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L358] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L359] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L360] int currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength = __VERIFIER_nondet_int() ; [L361] int sizeof__DISK_PERFORMANCE = __VERIFIER_nondet_int() ; [L362] int Irp__IoStatus__Information ; [L363] int deviceExtension__DiskCounters = __VERIFIER_nondet_int() ; [L364] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L365] int deviceExtension__Processors = __VERIFIER_nondet_int() ; [L366] int totalCounters__QueueDepth ; [L367] int deviceExtension__QueueDepth = __VERIFIER_nondet_int() ; [L368] int Irp__IoStatus__Status ; [L369] int deviceExtension ; [L370] int currentIrpStack ; [L371] int status ; [L372] int i ; [L373] int totalCounters ; [L374] int diskCounters ; [L375] int tmp ; [L376] int __cil_tmp24 ; [L377] int __cil_tmp25 ; [L378] int __cil_tmp26 ; [L381] deviceExtension = DeviceObject__DeviceExtension [L382] currentIrpStack = Irp__Tail__Overlay__CurrentStackLocation [L384] __cil_tmp24 = 32 [L385] __cil_tmp25 = 458752 [L386] __cil_tmp26 = 458784 VAL [\old(DeviceObject)=0, \old(Irp)=0, __cil_tmp24=32, __cil_tmp25=458752, __cil_tmp26=458784, compFptr=0, compRegistered=0, currentIrpStack=0, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=458785, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, DC=2, deviceExtension=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, DeviceObject=0, DeviceObject__DeviceExtension=0, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L387] COND FALSE !(currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp26) [L427] Irp__CurrentLocation ++ VAL [\old(DeviceObject)=0, \old(Irp)=0, __cil_tmp24=32, __cil_tmp25=458752, __cil_tmp26=458784, compFptr=0, compRegistered=0, currentIrpStack=0, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=458785, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, DC=2, deviceExtension=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, DeviceObject=0, DeviceObject__DeviceExtension=0, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__CurrentLocation=2147483647, Irp__CurrentLocation ++=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0, SKIP1=3, SKIP2=4, UNLOADED=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.23ms. Allocated memory is still 195.0MB. Free memory was 153.3MB in the beginning and 132.4MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.76ms. Allocated memory is still 195.0MB. Free memory was 132.4MB in the beginning and 127.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.28ms. Allocated memory is still 195.0MB. Free memory was 127.8MB in the beginning and 124.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1591.19ms. Allocated memory is still 195.0MB. Free memory was 124.5MB in the beginning and 96.7MB in the end (delta: 27.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * CodeCheck took 512.56ms. Allocated memory is still 195.0MB. Free memory was 95.7MB in the beginning and 156.5MB in the end (delta: -60.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 96.40ms. Allocated memory is still 195.0MB. Free memory was 156.5MB in the beginning and 152.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 18:06:58,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5f91eb4-a42a-40c9-b198-cd37b7124526/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)