./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:01,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:01,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:08:01,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:01,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:01,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:01,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:01,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:01,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:01,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:01,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:01,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:01,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:01,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:01,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:01,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:01,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:01,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:01,875 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:01,876 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:01,876 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:01,877 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:01,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:01,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:01,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:01,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:01,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:01,881 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:01,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:01,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:01,883 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_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66690b8f2afac00b38604fc5fd1edb6c2524e6892200d6512ef98cf0032d8df1 [2023-11-19 03:08:02,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:02,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:02,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:02,165 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:02,165 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:02,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2023-11-19 03:08:05,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:05,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:05,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2023-11-19 03:08:05,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/data/f1d91e801/839646a99e3e42f892a334e1c295843b/FLAG2b34345b0 [2023-11-19 03:08:05,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/data/f1d91e801/839646a99e3e42f892a334e1c295843b [2023-11-19 03:08:05,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:05,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:05,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:05,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:05,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:05,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:05,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eca7809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:05, skipping insertion in model container [2023-11-19 03:08:05,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:05" (1/1) ... [2023-11-19 03:08:06,098 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:06,902 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i[141033,141046] [2023-11-19 03:08:06,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:06,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:07,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4823-4824] [2023-11-19 03:08:07,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4826-4827] [2023-11-19 03:08:07,158 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4830-4831] [2023-11-19 03:08:07,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4833-4834] [2023-11-19 03:08:07,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4837-4838] [2023-11-19 03:08:07,178 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i[141033,141046] [2023-11-19 03:08:07,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:07,218 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:07,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07 WrapperNode [2023-11-19 03:08:07,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:07,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:07,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:07,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:07,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,279 INFO L138 Inliner]: procedures = 49, calls = 66, calls flagged for inlining = 22, calls inlined = 15, statements flattened = 180 [2023-11-19 03:08:07,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:07,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:07,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:07,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:07,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,324 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:07,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:07,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:07,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:07,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:07" (1/1) ... [2023-11-19 03:08:07,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:07,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:07,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:07,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:08:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 03:08:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 03:08:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-19 03:08:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-19 03:08:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:08:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:07,599 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:07,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:07,612 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:08:07,909 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2023-11-19 03:08:07,909 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2023-11-19 03:08:07,926 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:08,086 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:08,086 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:08:08,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:08 BoogieIcfgContainer [2023-11-19 03:08:08,092 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:08,093 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:08,093 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:08,104 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:08,105 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:08" (1/1) ... [2023-11-19 03:08:08,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-11-19 03:08:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-11-19 03:08:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:08:08,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-19 03:08:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-19 03:08:08,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:08:08,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-19 03:08:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-19 03:08:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:08:08,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:08,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:08,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2023-11-19 03:08:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2023-11-19 03:08:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:08:08,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:08,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2023-11-19 03:08:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2023-11-19 03:08:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:08:08,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:08,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2023-11-19 03:08:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2023-11-19 03:08:09,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:08:09,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2023-11-19 03:08:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-11-19 03:08:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:08:09,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:09,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2023-11-19 03:08:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2023-11-19 03:08:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:08:11,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 24 states and 30 transitions. [2023-11-19 03:08:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-19 03:08:12,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:08:12,563 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-19 03:08:12,576 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:08:12,745 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,750 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,751 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,752 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,752 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,752 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,752 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,753 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,753 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,753 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:08:12,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:08:12 ImpRootNode [2023-11-19 03:08:12,755 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:08:12,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:08:12,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:08:12,757 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:08:12,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:08" (3/4) ... [2023-11-19 03:08:12,760 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:08:12,764 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2023-11-19 03:08:12,764 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2023-11-19 03:08:12,776 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-19 03:08:12,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 03:08:12,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:08:12,779 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:08:12,911 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:08:12,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:08:12,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:08:12,913 INFO L158 Benchmark]: Toolchain (without parser) took 6938.67ms. Allocated memory was 136.3MB in the beginning and 297.8MB in the end (delta: 161.5MB). Free memory was 90.1MB in the beginning and 217.9MB in the end (delta: -127.8MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-19 03:08:12,913 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:12,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1242.61ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 89.7MB in the beginning and 135.0MB in the end (delta: -45.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2023-11-19 03:08:12,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.70ms. Allocated memory is still 201.3MB. Free memory was 135.0MB in the beginning and 131.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:08:12,915 INFO L158 Benchmark]: Boogie Preprocessor took 54.32ms. Allocated memory is still 201.3MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:08:12,915 INFO L158 Benchmark]: RCFGBuilder took 743.68ms. Allocated memory is still 201.3MB. Free memory was 129.7MB in the beginning and 96.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:08:12,915 INFO L158 Benchmark]: CodeCheck took 4662.52ms. Allocated memory was 201.3MB in the beginning and 297.8MB in the end (delta: 96.5MB). Free memory was 96.2MB in the beginning and 224.2MB in the end (delta: -128.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:08:12,916 INFO L158 Benchmark]: Witness Printer took 156.05ms. Allocated memory is still 297.8MB. Free memory was 224.2MB in the beginning and 217.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:08:12,918 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 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 332 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 211 mSDsluCounter, 366 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 166 mSDtfsCounter, 340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1009 GetRequests, 957 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 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 - PositiveResult [Line: 4995]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5060]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5081]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4956]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4941]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1242.61ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 89.7MB in the beginning and 135.0MB in the end (delta: -45.2MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.70ms. Allocated memory is still 201.3MB. Free memory was 135.0MB in the beginning and 131.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.32ms. Allocated memory is still 201.3MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.68ms. Allocated memory is still 201.3MB. Free memory was 129.7MB in the beginning and 96.2MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 4662.52ms. Allocated memory was 201.3MB in the beginning and 297.8MB in the end (delta: 96.5MB). Free memory was 96.2MB in the beginning and 224.2MB in the end (delta: -128.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 156.05ms. Allocated memory is still 297.8MB. Free memory was 224.2MB in the beginning and 217.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 4823]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4823-4824] - GenericResultAtLocation [Line: 4826]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4826-4827] - GenericResultAtLocation [Line: 4830]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4830-4831] - GenericResultAtLocation [Line: 4833]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4833-4834] - GenericResultAtLocation [Line: 4837]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)arg): "ebx"); [4837-4838] RESULT: Ultimate proved your program to be correct! [2023-11-19 03:08:12,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c20d381-bd16-4a3c-a39e-a50fa349be19/bin/ukojak-verify-G8NBE6pJGL/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 Result: TRUE