./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/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_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:44,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:44,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:21:44,900 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:44,900 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:44,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:44,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:44,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:44,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:44,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:44,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:44,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:44,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:44,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:44,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:44,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:44,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:44,934 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:44,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:44,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:44,935 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:44,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:44,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:44,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:44,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:44,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:44,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:44,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:44,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:44,940 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:44,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:44,940 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:44,941 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_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 [2023-11-19 03:21:45,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:45,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:45,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:45,224 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:45,225 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:45,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2023-11-19 03:21:48,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:48,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:48,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2023-11-19 03:21:48,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/data/f398f760c/aeadb57f5de249519a9de8e8a017cdd4/FLAGf9c869fbd [2023-11-19 03:21:48,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/data/f398f760c/aeadb57f5de249519a9de8e8a017cdd4 [2023-11-19 03:21:48,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:48,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:48,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:48,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:48,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:48,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:48" (1/1) ... [2023-11-19 03:21:48,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c00e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:48, skipping insertion in model container [2023-11-19 03:21:48,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:48" (1/1) ... [2023-11-19 03:21:48,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:49,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:49,189 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:49,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:49,280 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:49,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49 WrapperNode [2023-11-19 03:21:49,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:49,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:49,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:49,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:49,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,358 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2023-11-19 03:21:49,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:49,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:49,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:49,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:49,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:49,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:49,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:49,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:49,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:49,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:49,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:49,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:49,638 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:49,640 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:49,879 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:49,952 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:49,952 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:21:49,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:49 BoogieIcfgContainer [2023-11-19 03:21:49,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:49,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:49,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:49,970 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:49,971 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:49" (1/1) ... [2023-11-19 03:21:49,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:21:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:21:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:21:50,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:50,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:51,139 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 03:21:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-19 03:21:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 03:21:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:21:51,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:51,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:51,975 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 03:21:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-11-19 03:21:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-19 03:21:52,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:21:52,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:52,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:53,205 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 03:21:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2023-11-19 03:21:54,800 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2023-11-19 03:21:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:21:54,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:54,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:55,063 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 03:21:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:55,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2023-11-19 03:21:55,257 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2023-11-19 03:21:55,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:21:55,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:55,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-11-19 03:21:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-11-19 03:21:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:21:57,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:03,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2023-11-19 03:22:03,790 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2023-11-19 03:22:03,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:22:03,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:03,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2023-11-19 03:22:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2023-11-19 03:22:06,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:22:06,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:06,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:22:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 115 transitions. [2023-11-19 03:22:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 115 transitions. [2023-11-19 03:22:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:22:10,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:10,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:22:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2023-11-19 03:22:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-11-19 03:22:14,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:22:14,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:14,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:22:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 123 transitions. [2023-11-19 03:22:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2023-11-19 03:22:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:22:14,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:14,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:22:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2023-11-19 03:22:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2023-11-19 03:22:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:22:16,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:16,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:22:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2023-11-19 03:22:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2023-11-19 03:22:20,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:22:20,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:20,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:21,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:22:23,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:23,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2023-11-19 03:22:23,080 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2023-11-19 03:22:23,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:22:23,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:22:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 69 states and 134 transitions. [2023-11-19 03:22:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2023-11-19 03:22:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:22:26,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:26,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:27,043 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:22:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 60 states and 110 transitions. [2023-11-19 03:22:27,808 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 110 transitions. [2023-11-19 03:22:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:22:27,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:22:29,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2023-11-19 03:22:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2023-11-19 03:22:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:22:29,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:29,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 64 states and 115 transitions. [2023-11-19 03:22:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 115 transitions. [2023-11-19 03:22:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:22:31,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:32,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2023-11-19 03:22:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2023-11-19 03:22:32,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:22:32,740 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-19 03:22:32,749 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:22:33,441 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:22:33,445 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2023-11-19 03:22:33,451 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated [2023-11-19 03:22:33,452 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 03:22:33,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 03:22:33,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated [2023-11-19 03:22:33,454 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 03:22:33,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,455 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated [2023-11-19 03:22:33,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,456 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 03:22:33,457 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-11-19 03:22:33,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated [2023-11-19 03:22:33,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 03:22:33,459 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated [2023-11-19 03:22:33,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:22:33 ImpRootNode [2023-11-19 03:22:33,460 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:22:33,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:22:33,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:22:33,461 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:22:33,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:49" (3/4) ... [2023-11-19 03:22:33,464 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:22:33,472 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:22:33,473 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:22:33,473 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 03:22:33,474 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:22:33,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:22:33,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:22:33,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:22:33,594 INFO L158 Benchmark]: Toolchain (without parser) took 44899.09ms. Allocated memory was 134.2MB in the beginning and 373.3MB in the end (delta: 239.1MB). Free memory was 97.2MB in the beginning and 227.8MB in the end (delta: -130.6MB). Peak memory consumption was 111.6MB. Max. memory is 16.1GB. [2023-11-19 03:22:33,595 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:33,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.95ms. Allocated memory is still 134.2MB. Free memory was 97.2MB in the beginning and 81.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:22:33,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.71ms. Allocated memory is still 134.2MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:33,597 INFO L158 Benchmark]: Boogie Preprocessor took 51.33ms. Allocated memory is still 134.2MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:33,597 INFO L158 Benchmark]: RCFGBuilder took 545.67ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 62.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:22:33,598 INFO L158 Benchmark]: CodeCheck took 43501.92ms. Allocated memory was 134.2MB in the beginning and 373.3MB in the end (delta: 239.1MB). Free memory was 62.2MB in the beginning and 233.0MB in the end (delta: -170.8MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2023-11-19 03:22:33,598 INFO L158 Benchmark]: Witness Printer took 133.07ms. Allocated memory is still 373.3MB. Free memory was 233.0MB in the beginning and 227.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:22:33,601 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 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 42.7s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1051 SdHoareTripleChecker+Valid, 12.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 874 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 1336 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5894 IncrementalHoareTripleChecker+Invalid, 7230 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1336 mSolverCounterUnsat, 0 mSDtfsCounter, 5894 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3036 GetRequests, 2629 SyntacticMatches, 103 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41804 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 3184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 99/151 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: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.95ms. Allocated memory is still 134.2MB. Free memory was 97.2MB in the beginning and 81.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.71ms. Allocated memory is still 134.2MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.33ms. Allocated memory is still 134.2MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.67ms. Allocated memory is still 134.2MB. Free memory was 77.6MB in the beginning and 62.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 43501.92ms. Allocated memory was 134.2MB in the beginning and 373.3MB in the end (delta: 239.1MB). Free memory was 62.2MB in the beginning and 233.0MB in the end (delta: -170.8MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Witness Printer took 133.07ms. Allocated memory is still 373.3MB. Free memory was 233.0MB in the beginning and 227.8MB in the end (delta: 5.2MB). 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: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~z_ref~0!base][~z_ref~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:22:33,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228998ec-11d0-4ce7-b02e-6e311a4d5ab6/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