./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 527bcce2 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_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:22,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:22,490 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:53:22,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:22,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:22,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:22,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:22,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:22,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:22,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:22,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:22,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:22,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:22,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:22,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:22,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:22,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:22,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:22,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:22,564 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:22,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:22,565 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:22,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:22,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:22,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:22,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:22,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:22,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:22,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:22,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:22,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:22,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:22,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:22,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:22,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:22,573 INFO L153 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_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c [2023-11-21 18:53:22,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:22,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:22,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:22,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:22,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:22,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2023-11-21 18:53:26,159 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:26,456 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:26,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2023-11-21 18:53:26,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/data/e398459d3/3693f9dc31e14c549143d350f77007d2/FLAGa6f896320 [2023-11-21 18:53:26,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/data/e398459d3/3693f9dc31e14c549143d350f77007d2 [2023-11-21 18:53:26,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:26,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:26,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:26,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:26,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:26,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e61af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26, skipping insertion in model container [2023-11-21 18:53:26,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,573 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:26,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:26,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:27,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:27,056 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:27,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27 WrapperNode [2023-11-21 18:53:27,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:27,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:27,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:27,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:27,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,159 INFO L138 Inliner]: procedures = 38, calls = 67, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 843 [2023-11-21 18:53:27,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:27,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:27,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:27,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:27,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,194 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:27,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:27,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:27,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:27,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:27,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:27,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:27,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-21 18:53:27,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-21 18:53:27,412 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-21 18:53:27,413 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-21 18:53:27,413 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-21 18:53:27,414 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-21 18:53:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2023-11-21 18:53:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2023-11-21 18:53:27,415 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2023-11-21 18:53:27,415 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2023-11-21 18:53:27,416 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-21 18:53:27,416 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-21 18:53:27,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-21 18:53:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-21 18:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2023-11-21 18:53:27,418 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2023-11-21 18:53:27,418 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2023-11-21 18:53:27,419 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2023-11-21 18:53:27,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:27,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:27,679 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:27,682 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:27,691 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:53:27,818 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;havoc ~tmp_ndt_7~0; [2023-11-21 18:53:27,818 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 18:53:27,823 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:53:27,881 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_10~0; [2023-11-21 18:53:27,882 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-21 18:53:27,950 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:53:27,963 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:53:27,986 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:53:28,589 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2023-11-21 18:53:28,590 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2023-11-21 18:53:28,590 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-21 18:53:28,591 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-21 18:53:28,592 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2023-11-21 18:53:28,592 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2023-11-21 18:53:28,594 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:53:28,645 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-11-21 18:53:28,645 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-11-21 18:53:28,779 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:28,995 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:28,996 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:28,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:28 BoogieIcfgContainer [2023-11-21 18:53:28,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:28,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:28,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:29,011 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:29,011 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:28" (1/1) ... [2023-11-21 18:53:29,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:29,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 265 states and 371 transitions. [2023-11-21 18:53:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 371 transitions. [2023-11-21 18:53:29,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:53:29,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 264 states and 370 transitions. [2023-11-21 18:53:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 370 transitions. [2023-11-21 18:53:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:53:29,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:29,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:53:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:29,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:53:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:29,833 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:53:29,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post66 could not be translated [2023-11-21 18:53:29,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:53:29 ImpRootNode [2023-11-21 18:53:29,895 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:53:29,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:53:29,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:53:29,896 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:53:29,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:28" (3/4) ... [2023-11-21 18:53:29,897 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:53:29,903 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post66 could not be translated [2023-11-21 18:53:29,966 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:53:29,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:53:29,967 INFO L158 Benchmark]: Toolchain (without parser) took 3466.66ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 76.4MB in the end (delta: 23.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-21 18:53:29,968 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:29,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.68ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 78.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:53:29,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.34ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 73.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:53:29,969 INFO L158 Benchmark]: Boogie Preprocessor took 150.39ms. Allocated memory is still 146.8MB. Free memory was 73.8MB in the beginning and 70.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:53:29,969 INFO L158 Benchmark]: RCFGBuilder took 1686.68ms. Allocated memory is still 146.8MB. Free memory was 70.2MB in the beginning and 49.7MB in the end (delta: 20.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-21 18:53:29,970 INFO L158 Benchmark]: CodeCheck took 896.00ms. Allocated memory is still 146.8MB. Free memory was 48.8MB in the beginning and 80.6MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:29,970 INFO L158 Benchmark]: Witness Printer took 71.03ms. Allocated memory is still 146.8MB. Free memory was 80.6MB in the beginning and 76.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:53:29,972 INFO L338 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 7 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 TRUE irp_choice == 0 [L694] pirp__IoStatus__Status = -1073741637 [L695] myStatus = -1073741637 [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 [DC=2, 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, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \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, deviceExtension=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0] [L387] COND FALSE !(currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp26) [L427] Irp__CurrentLocation ++ VAL [DC=2, 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, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \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, deviceExtension=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.68ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 78.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.34ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 73.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.39ms. Allocated memory is still 146.8MB. Free memory was 73.8MB in the beginning and 70.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1686.68ms. Allocated memory is still 146.8MB. Free memory was 70.2MB in the beginning and 49.7MB in the end (delta: 20.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * CodeCheck took 896.00ms. Allocated memory is still 146.8MB. Free memory was 48.8MB in the beginning and 80.6MB in the end (delta: -31.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 71.03ms. Allocated memory is still 146.8MB. Free memory was 80.6MB in the beginning and 76.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post66 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post66 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:53:30,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88e5ded2-cd7d-4b58-bb77-6bd2df3335ac/bin/ukojak-verify-i0I2FZA1j2/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)