./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --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_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/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_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/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_d2d7f4c3-abfa-458f-ac8b-71563043197b/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 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:00:03,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:00:03,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:00:03,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:00:03,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:00:03,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:00:03,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:00:03,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:00:03,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:00:03,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:00:03,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:00:03,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:00:03,852 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:00:03,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:00:03,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:00:03,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:00:03,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:00:03,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:00:03,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:00:03,856 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:00:03,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:00:03,857 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:00:03,858 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:00:03,858 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:00:03,859 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:00:03,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:00:03,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:03,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:00:03,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:00:03,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:00:03,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:00:03,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:00:03,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:00:03,864 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_d2d7f4c3-abfa-458f-ac8b-71563043197b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 [2023-11-19 03:00:04,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:00:04,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:00:04,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:00:04,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:00:04,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:00:04,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-19 03:00:07,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:00:07,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:00:07,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-19 03:00:07,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/data/31f4cfec9/9a73ad658cd04f6497f6d2287d020fcc/FLAGcd9b4851d [2023-11-19 03:00:07,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/data/31f4cfec9/9a73ad658cd04f6497f6d2287d020fcc [2023-11-19 03:00:07,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:00:07,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:00:07,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:07,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:00:07,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:00:07,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcb0f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07, skipping insertion in model container [2023-11-19 03:00:07,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,672 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:00:07,868 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_d2d7f4c3-abfa-458f-ac8b-71563043197b/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c[454,467] [2023-11-19 03:00:07,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:07,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:00:07,904 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_d2d7f4c3-abfa-458f-ac8b-71563043197b/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c[454,467] [2023-11-19 03:00:07,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:00:07,921 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:00:07,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07 WrapperNode [2023-11-19 03:00:07,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:00:07,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:07,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:00:07,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:00:07,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,955 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2023-11-19 03:00:07,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:00:07,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:00:07,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:00:07,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:00:07,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:00:07,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:00:07,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:00:07,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:00:07,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:00:07" (1/1) ... [2023-11-19 03:00:07,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:00:08,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:00:08,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:00:08,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:00:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:00:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:00:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:00:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:00:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:00:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:00:08,126 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:00:08,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:00:08,255 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:00:08,293 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:00:08,293 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:00:08,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:08 BoogieIcfgContainer [2023-11-19 03:00:08,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:00:08,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:00:08,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:00:08,309 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:00:08,309 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:08" (1/1) ... [2023-11-19 03:00:08,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:00:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 03:00:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 03:00:08,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:00:08,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:08,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:08,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:00:08,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:08,742 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 03:00:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-19 03:00:08,914 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-19 03:00:08,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:00:08,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:08,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:08,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:00:08,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-19 03:00:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-19 03:00:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:00:09,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:09,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:00:09,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:09,420 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 03:00:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 03:00:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 03:00:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:00:09,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:09,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:09,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:00:09,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:00:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-19 03:00:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-19 03:00:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:00:10,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:10,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:10,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:00:10,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:00:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 03:00:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 03:00:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:00:10,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:10,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:10,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:00:10,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:00:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-11-19 03:00:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-11-19 03:00:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:00:11,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:11,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:11,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:00:11,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:00:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 03:00:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 03:00:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:00:12,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:12,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:12,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:00:12,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:00:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-11-19 03:00:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-11-19 03:00:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:00:12,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:12,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:12,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:00:12,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:00:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-11-19 03:00:13,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-19 03:00:13,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:00:13,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:13,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:13,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 03:00:13,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:00:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-11-19 03:00:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-11-19 03:00:14,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:00:14,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:14,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:14,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 03:00:14,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 03:00:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-19 03:00:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-19 03:00:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:00:15,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:15,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:15,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-19 03:00:15,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:00:16,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:16,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-19 03:00:16,353 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-19 03:00:16,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:00:16,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:16,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:00:16,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 03:00:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 41 states and 61 transitions. [2023-11-19 03:00:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-19 03:00:21,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:00:21,749 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-19 03:00:21,760 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:00:22,070 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:00:22,075 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:00:22,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:00:22 ImpRootNode [2023-11-19 03:00:22,076 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:00:22,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:00:22,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:00:22,083 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:00:22,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:00:08" (3/4) ... [2023-11-19 03:00:22,088 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:00:22,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:00:22,100 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 03:00:22,102 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:00:22,102 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:00:22,102 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:00:22,240 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:00:22,245 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:00:22,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:00:22,246 INFO L158 Benchmark]: Toolchain (without parser) took 14603.74ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 112.7MB in the beginning and 78.0MB in the end (delta: 34.7MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. [2023-11-19 03:00:22,246 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:00:22,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.83ms. Allocated memory is still 157.3MB. Free memory was 112.7MB in the beginning and 102.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:00:22,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.63ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:22,253 INFO L158 Benchmark]: Boogie Preprocessor took 22.26ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:00:22,254 INFO L158 Benchmark]: RCFGBuilder took 318.55ms. Allocated memory is still 157.3MB. Free memory was 99.4MB in the beginning and 88.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:00:22,254 INFO L158 Benchmark]: CodeCheck took 13777.77ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 87.6MB in the beginning and 82.2MB in the end (delta: 5.4MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2023-11-19 03:00:22,256 INFO L158 Benchmark]: Witness Printer took 167.37ms. Allocated memory is still 234.9MB. Free memory was 82.2MB in the beginning and 78.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:00:22,260 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 647 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 508 mSDsCounter, 804 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1627 IncrementalHoareTripleChecker+Invalid, 2431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 804 mSolverCounterUnsat, 139 mSDtfsCounter, 1627 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3625 GetRequests, 3300 SyntacticMatches, 171 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9201 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 2040 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1652 ConjunctsInSsa, 340 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1186/1806 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: 12]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.83ms. Allocated memory is still 157.3MB. Free memory was 112.7MB in the beginning and 102.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.63ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.26ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.55ms. Allocated memory is still 157.3MB. Free memory was 99.4MB in the beginning and 88.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 13777.77ms. Allocated memory was 157.3MB in the beginning and 234.9MB in the end (delta: 77.6MB). Free memory was 87.6MB in the beginning and 82.2MB in the end (delta: 5.4MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Witness Printer took 167.37ms. Allocated memory is still 234.9MB. Free memory was 82.2MB in the beginning and 78.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:00:22,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d7f4c3-abfa-458f-ac8b-71563043197b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE