./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/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_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/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 32bit --witnessprinter.graph.data.programhash 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:00,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:00,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:00,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:00,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:01,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:01,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:01,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:01,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:01,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:01,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:01,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:01,052 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:01,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:01,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:01,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:01,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:01,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:01,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:01,057 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:01,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:01,058 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:01,059 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:01,059 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:01,060 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:01,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:01,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:01,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:01,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:01,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:01,064 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:01,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:01,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:01,065 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_d432b74b-99e6-4ebc-8183-c94487fe2b2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c [2023-11-19 03:07:01,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:01,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:01,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:01,503 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:01,504 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:01,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2023-11-19 03:07:05,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:05,399 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:05,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2023-11-19 03:07:05,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/data/1cda09a7c/6c8f9706284541b5a36fd528b0a8b44d/FLAG9e1b2c454 [2023-11-19 03:07:05,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/data/1cda09a7c/6c8f9706284541b5a36fd528b0a8b44d [2023-11-19 03:07:05,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:05,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:05,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:05,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:05,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:05,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5c0b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05, skipping insertion in model container [2023-11-19 03:07:05,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:05,674 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_d432b74b-99e6-4ebc-8183-c94487fe2b2c/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2023-11-19 03:07:05,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:05,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:05,751 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_d432b74b-99e6-4ebc-8183-c94487fe2b2c/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2023-11-19 03:07:05,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:05,788 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:05,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05 WrapperNode [2023-11-19 03:07:05,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:05,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:05,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:05,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:05,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,833 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 100 [2023-11-19 03:07:05,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:05,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:05,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:05,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:05,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:05,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:05,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:05,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:05,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:05" (1/1) ... [2023-11-19 03:07:05,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:05,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:05,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:07:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:07:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:07:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:07:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 03:07:05,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 03:07:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:05,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:06,048 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:06,051 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:06,360 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:06,442 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:06,442 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:06,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06 BoogieIcfgContainer [2023-11-19 03:07:06,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:06,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:06,464 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:06,479 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:06,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06" (1/1) ... [2023-11-19 03:07:06,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 03:07:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 03:07:06,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:07:06,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:07,096 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 03:07:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 03:07:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 03:07:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:07:07,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:07,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:07:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-19 03:07:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 03:07:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:07:07,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:07,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-19 03:07:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-19 03:07:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:07:07,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:07:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 03:07:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 03:07:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:07:08,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:07:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:07:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-19 03:07:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-19 03:07:08,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:07:08,453 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 03:07:08,467 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:07:08,505 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:07:08,513 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:07:08,513 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-11-19 03:07:08,514 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:07:08,515 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-11-19 03:07:08,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5!base could not be translated [2023-11-19 03:07:08,519 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:07:08,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:08 ImpRootNode [2023-11-19 03:07:08,520 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:08,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:08,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:08,522 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:08,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:06" (3/4) ... [2023-11-19 03:07:08,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:07:08,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2023-11-19 03:07:08,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 03:07:08,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:07:08,551 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:07:08,552 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:07:08,733 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:07:08,734 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:07:08,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:08,735 INFO L158 Benchmark]: Toolchain (without parser) took 3299.27ms. Allocated memory is still 192.9MB. Free memory was 146.5MB in the beginning and 68.3MB in the end (delta: 78.2MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:08,735 INFO L158 Benchmark]: CDTParser took 2.72ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:08,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.83ms. Allocated memory is still 192.9MB. Free memory was 146.5MB in the beginning and 134.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:08,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.30ms. Allocated memory is still 192.9MB. Free memory was 134.9MB in the beginning and 132.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:08,737 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 192.9MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:08,737 INFO L158 Benchmark]: RCFGBuilder took 590.04ms. Allocated memory is still 192.9MB. Free memory was 131.8MB in the beginning and 112.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:07:08,738 INFO L158 Benchmark]: CodeCheck took 2062.65ms. Allocated memory is still 192.9MB. Free memory was 112.4MB in the beginning and 74.6MB in the end (delta: 37.9MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2023-11-19 03:07:08,739 INFO L158 Benchmark]: Witness Printer took 212.47ms. Allocated memory is still 192.9MB. Free memory was 74.6MB in the beginning and 68.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:07:08,742 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 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 122 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 20/20 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: 8]: 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: 72]: Loop Invariant Derived loop invariant: (used_tmp_slot == 1) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (used_tmp_slot == 1) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (used_tmp_slot == 1) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (used_tmp_slot == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.72ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.83ms. Allocated memory is still 192.9MB. Free memory was 146.5MB in the beginning and 134.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.30ms. Allocated memory is still 192.9MB. Free memory was 134.9MB in the beginning and 132.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 192.9MB. Free memory was 132.9MB in the beginning and 131.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.04ms. Allocated memory is still 192.9MB. Free memory was 131.8MB in the beginning and 112.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2062.65ms. Allocated memory is still 192.9MB. Free memory was 112.4MB in the beginning and 74.6MB in the end (delta: 37.9MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Witness Printer took 212.47ms. Allocated memory is still 192.9MB. Free memory was 74.6MB in the beginning and 68.3MB 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: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5!base could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:07:08,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d432b74b-99e6-4ebc-8183-c94487fe2b2c/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