./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_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:28:48,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:28:48,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:28:48,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:28:48,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:28:48,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:28:48,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:28:48,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:28:48,742 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:28:48,743 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:28:48,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:28:48,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:28:48,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:28:48,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:28:48,746 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:28:48,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:28:48,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:28:48,748 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:28:48,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:28:48,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:28:48,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:28:48,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:28:48,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:28:48,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:28:48,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:28:48,753 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:28:48,753 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:28:48,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:28:48,754 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:28:48,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:28:48,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:28:48,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:28:48,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:28:48,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:48,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:28:48,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:28:48,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:28:48,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:28:48,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:28:48,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:28:48,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:28:48,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:28:48,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:28:48,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:28:48,761 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c [2023-11-21 22:28:49,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:28:49,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:28:49,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:28:49,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:28:49,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:28:49,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2023-11-21 22:28:52,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:28:52,510 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:28:52,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2023-11-21 22:28:52,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/data/ebf2fd719/e0e48285eade4743977c3fdc81c3169b/FLAG64c8a05f0 [2023-11-21 22:28:52,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/data/ebf2fd719/e0e48285eade4743977c3fdc81c3169b [2023-11-21 22:28:52,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:28:52,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:28:52,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:52,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:28:52,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:28:52,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:52,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d0e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:52, skipping insertion in model container [2023-11-21 22:28:52,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:52" (1/1) ... [2023-11-21 22:28:52,653 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:28:52,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:52,964 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:28:53,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:53,096 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:28:53,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53 WrapperNode [2023-11-21 22:28:53,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:53,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:53,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:28:53,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:28:53,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,188 INFO L138 Inliner]: procedures = 38, calls = 67, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 843 [2023-11-21 22:28:53,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:53,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:28:53,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:28:53,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:28:53,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,224 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,248 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:28:53,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:28:53,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:28:53,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:28:53,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:28:53,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (1/1) ... [2023-11-21 22:28:53,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:28:53,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:53,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:53,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:28:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:28:53,437 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-21 22:28:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-21 22:28:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-21 22:28:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-21 22:28:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-21 22:28:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-21 22:28:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2023-11-21 22:28:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2023-11-21 22:28:53,441 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2023-11-21 22:28:53,441 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2023-11-21 22:28:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-21 22:28:53,442 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-21 22:28:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:28:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-21 22:28:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-21 22:28:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2023-11-21 22:28:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2023-11-21 22:28:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2023-11-21 22:28:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2023-11-21 22:28:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:28:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:28:53,647 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:28:53,649 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:28:53,658 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:28:53,742 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;havoc ~tmp_ndt_7~0; [2023-11-21 22:28:53,743 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 22:28:53,745 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:28:53,772 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_10~0; [2023-11-21 22:28:53,772 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-21 22:28:53,828 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:28:53,834 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:28:53,858 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:28:54,409 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2023-11-21 22:28:54,409 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2023-11-21 22:28:54,409 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-21 22:28:54,409 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-21 22:28:54,410 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2023-11-21 22:28:54,410 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2023-11-21 22:28:54,411 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:28:54,444 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2023-11-21 22:28:54,445 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2023-11-21 22:28:54,527 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:28:54,729 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:28:54,729 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:28:54,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:54 BoogieIcfgContainer [2023-11-21 22:28:54,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:28:54,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:28:54,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:28:54,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:28:54,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:28:52" (1/3) ... [2023-11-21 22:28:54,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b43bcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:28:54, skipping insertion in model container [2023-11-21 22:28:54,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:53" (2/3) ... [2023-11-21 22:28:54,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b43bcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:28:54, skipping insertion in model container [2023-11-21 22:28:54,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:54" (3/3) ... [2023-11-21 22:28:54,746 INFO L112 eAbstractionObserver]: Analyzing ICFG diskperf_simpl1.cil.c [2023-11-21 22:28:54,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:28:54,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-11-21 22:28:54,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:28:54,828 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a41e50a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:28:54,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-21 22:28:54,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 265 states, 173 states have (on average 1.6358381502890174) internal successors, (283), 227 states have internal predecessors, (283), 44 states have call successors, (44), 9 states have call predecessors, (44), 9 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-21 22:28:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 22:28:54,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:28:54,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:54,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [DiskPerfForwardIrpSynchronousErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfForwardIrpSynchronousErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 36 more)] === [2023-11-21 22:28:54,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:54,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1313511824, now seen corresponding path program 1 times [2023-11-21 22:28:54,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:54,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444781411] [2023-11-21 22:28:54,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:54,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:55,198 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 22:28:55,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:55,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444781411] [2023-11-21 22:28:55,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444781411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:55,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:55,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:28:55,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360947853] [2023-11-21 22:28:55,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:55,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:28:55,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:55,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:28:55,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:28:55,241 INFO L87 Difference]: Start difference. First operand has 265 states, 173 states have (on average 1.6358381502890174) internal successors, (283), 227 states have internal predecessors, (283), 44 states have call successors, (44), 9 states have call predecessors, (44), 9 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:55,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:55,453 INFO L93 Difference]: Finished difference Result 475 states and 684 transitions. [2023-11-21 22:28:55,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:28:55,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-21 22:28:55,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:28:55,466 INFO L225 Difference]: With dead ends: 475 [2023-11-21 22:28:55,467 INFO L226 Difference]: Without dead ends: 187 [2023-11-21 22:28:55,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:28:55,478 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 26 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:28:55,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 928 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:28:55,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-21 22:28:55,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2023-11-21 22:28:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 121 states have (on average 1.4958677685950412) internal successors, (181), 164 states have internal predecessors, (181), 22 states have call successors, (22), 7 states have call predecessors, (22), 7 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-21 22:28:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 219 transitions. [2023-11-21 22:28:55,590 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 219 transitions. Word has length 7 [2023-11-21 22:28:55,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:28:55,590 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 219 transitions. [2023-11-21 22:28:55,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 219 transitions. [2023-11-21 22:28:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 22:28:55,592 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:28:55,592 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:55,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:28:55,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [DiskPerfForwardIrpSynchronousErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, DiskPerfForwardIrpSynchronousErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 36 more)] === [2023-11-21 22:28:55,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:55,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2064161109, now seen corresponding path program 1 times [2023-11-21 22:28:55,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:55,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658415699] [2023-11-21 22:28:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:55,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:55,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:55,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:55,690 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:28:55,692 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2023-11-21 22:28:55,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2023-11-21 22:28:55,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2023-11-21 22:28:55,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2023-11-21 22:28:55,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfForwardIrpSynchronousErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2023-11-21 22:28:55,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2023-11-21 22:28:55,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2023-11-21 22:28:55,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2023-11-21 22:28:55,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2023-11-21 22:28:55,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2023-11-21 22:28:55,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2023-11-21 22:28:55,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2023-11-21 22:28:55,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2023-11-21 22:28:55,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2023-11-21 22:28:55,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2023-11-21 22:28:55,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2023-11-21 22:28:55,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2023-11-21 22:28:55,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2023-11-21 22:28:55,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2023-11-21 22:28:55,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2023-11-21 22:28:55,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2023-11-21 22:28:55,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2023-11-21 22:28:55,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2023-11-21 22:28:55,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2023-11-21 22:28:55,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2023-11-21 22:28:55,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2023-11-21 22:28:55,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2023-11-21 22:28:55,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2023-11-21 22:28:55,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2023-11-21 22:28:55,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2023-11-21 22:28:55,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2023-11-21 22:28:55,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2023-11-21 22:28:55,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2023-11-21 22:28:55,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2023-11-21 22:28:55,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2023-11-21 22:28:55,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2023-11-21 22:28:55,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2023-11-21 22:28:55,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location DiskPerfIoCompletionErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2023-11-21 22:28:55,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:28:55,708 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:28:55,712 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:28:55,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post66 could not be translated [2023-11-21 22:28:55,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:28:55 BoogieIcfgContainer [2023-11-21 22:28:55,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:28:55,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:28:55,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:28:55,755 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:28:55,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:54" (3/4) ... [2023-11-21 22:28:55,757 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 22:28:55,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post66 could not be translated [2023-11-21 22:28:55,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:28:55,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:28:55,823 INFO L158 Benchmark]: Toolchain (without parser) took 3250.06ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 80.9MB in the beginning and 85.8MB in the end (delta: -4.9MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2023-11-21 22:28:55,823 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:28:55,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.27ms. Allocated memory is still 127.9MB. Free memory was 80.5MB in the beginning and 59.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:28:55,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.22ms. Allocated memory is still 127.9MB. Free memory was 59.1MB in the beginning and 54.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:28:55,824 INFO L158 Benchmark]: Boogie Preprocessor took 134.35ms. Allocated memory is still 127.9MB. Free memory was 54.6MB in the beginning and 96.9MB in the end (delta: -42.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-21 22:28:55,825 INFO L158 Benchmark]: RCFGBuilder took 1412.84ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 96.8MB in the beginning and 140.3MB in the end (delta: -43.5MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2023-11-21 22:28:55,825 INFO L158 Benchmark]: TraceAbstraction took 1014.74ms. Allocated memory is still 188.7MB. Free memory was 140.3MB in the beginning and 90.0MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-21 22:28:55,826 INFO L158 Benchmark]: Witness Printer took 67.46ms. Allocated memory is still 188.7MB. Free memory was 90.0MB in the beginning and 85.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:28:55,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.27ms. Allocated memory is still 127.9MB. Free memory was 80.5MB in the beginning and 59.1MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.22ms. Allocated memory is still 127.9MB. Free memory was 59.1MB in the beginning and 54.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 134.35ms. Allocated memory is still 127.9MB. Free memory was 54.6MB in the beginning and 96.9MB in the end (delta: -42.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1412.84ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 96.8MB in the beginning and 140.3MB in the end (delta: -43.5MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1014.74ms. Allocated memory is still 188.7MB. Free memory was 140.3MB in the beginning and 90.0MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 67.46ms. Allocated memory is still 188.7MB. Free memory was 90.0MB in the beginning and 85.8MB 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 [DC=2, DeviceObject=0, DeviceObject__DeviceExtension=-2, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=-1, 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=-1, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=0, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, deviceExtension=-2, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=0, 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=-2, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=-1, 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=-1, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=0, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, deviceExtension=-2, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0] - UnprovableResult [Line: 255]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 255]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 272]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 272]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 410]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 410]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 427]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 428]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 205]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 205]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 447]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 447]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 448]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 448]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 328]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 328]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 329]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 330]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 330]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 332]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 332]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 333]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 333]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 334]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 334]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 337]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 337]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 265 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 928 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 610 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 318 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 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, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-21 22:28:55,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d8e895b-4e18-4676-bfd8-2d156c9919b6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)