./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV --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 32bit --witnessprinter.graph.data.programhash 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:47,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:47,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:04:47,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:04:47,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:04:47,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:47,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:47,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:47,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:47,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:47,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:47,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:47,321 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:47,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:47,324 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:47,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:47,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:47,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:47,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:47,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:47,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:47,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:47,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:47,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:47,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:47,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:47,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:47,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:47,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:47,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:47,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:47,335 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:04:47,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:04:47,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:47,336 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_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2023-11-12 00:04:47,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:47,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:47,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:47,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:47,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:47,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2023-11-12 00:04:50,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:51,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:51,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2023-11-12 00:04:51,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data/e9411b2a1/44e36094d75a4dc19e4ab198e4eb89ee/FLAG754dcf540 [2023-11-12 00:04:51,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data/e9411b2a1/44e36094d75a4dc19e4ab198e4eb89ee [2023-11-12 00:04:51,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:51,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:51,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:51,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:51,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:51,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ed4870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51, skipping insertion in model container [2023-11-12 00:04:51,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:51,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:51,576 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:51,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:51,650 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:51,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51 WrapperNode [2023-11-12 00:04:51,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:51,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:51,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:51,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:51,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,704 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 206 [2023-11-12 00:04:51,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:51,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:51,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:51,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:51,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:51,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:51,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:51,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:51,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:51" (1/1) ... [2023-11-12 00:04:51,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:51,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:51,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:51,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-12 00:04:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-12 00:04:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:04:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:04:52,017 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:52,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:52,553 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:52,870 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:52,870 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:04:52,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:52 BoogieIcfgContainer [2023-11-12 00:04:52,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:52,874 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:52,874 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:52,885 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:52,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:52" (1/1) ... [2023-11-12 00:04:52,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:04:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2023-11-12 00:04:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2023-11-12 00:04:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:04:52,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:52,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2023-11-12 00:04:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2023-11-12 00:04:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:04:53,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 92 states and 117 transitions. [2023-11-12 00:04:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 117 transitions. [2023-11-12 00:04:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:04:53,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2023-11-12 00:04:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2023-11-12 00:04:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:04:53,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2023-11-12 00:04:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2023-11-12 00:04:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:04:53,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2023-11-12 00:04:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2023-11-12 00:04:53,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:04:53,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2023-11-12 00:04:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2023-11-12 00:04:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:04:53,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2023-11-12 00:04:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2023-11-12 00:04:53,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:04:53,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2023-11-12 00:04:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2023-11-12 00:04:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:04:53,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:53,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:53,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2023-11-12 00:04:53,979 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2023-11-12 00:04:53,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:04:53,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:53,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:54,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 106 states and 137 transitions. [2023-11-12 00:04:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2023-11-12 00:04:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:04:54,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 105 states and 136 transitions. [2023-11-12 00:04:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2023-11-12 00:04:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:04:54,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:54,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 107 states and 140 transitions. [2023-11-12 00:04:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 140 transitions. [2023-11-12 00:04:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:54,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:54,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 114 states and 152 transitions. [2023-11-12 00:04:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2023-11-12 00:04:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:54,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:54,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:54,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 116 states and 155 transitions. [2023-11-12 00:04:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 155 transitions. [2023-11-12 00:04:54,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:54,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:54,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 123 states and 166 transitions. [2023-11-12 00:04:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 166 transitions. [2023-11-12 00:04:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:04:55,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:55,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 165 transitions. [2023-11-12 00:04:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 165 transitions. [2023-11-12 00:04:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:04:55,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:55,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:55,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 127 states and 172 transitions. [2023-11-12 00:04:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 172 transitions. [2023-11-12 00:04:55,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:04:55,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:55,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 129 states and 173 transitions. [2023-11-12 00:04:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-12 00:04:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:04:55,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:56,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:56,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 128 states and 172 transitions. [2023-11-12 00:04:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2023-11-12 00:04:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:04:56,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:56,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 128 states and 171 transitions. [2023-11-12 00:04:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2023-11-12 00:04:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:04:56,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:56,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:04:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:56,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:04:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:04:56,158 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-11-12 00:04:56,185 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-11-12 00:04:56,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:04:56 ImpRootNode [2023-11-12 00:04:56,192 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:04:56,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:04:56,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:04:56,193 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:04:56,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:52" (3/4) ... [2023-11-12 00:04:56,196 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:04:56,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:04:56,198 INFO L158 Benchmark]: Toolchain (without parser) took 4946.54ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 107.9MB in the beginning and 50.3MB in the end (delta: 57.6MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2023-11-12 00:04:56,198 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 102.8MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:56,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.94ms. Allocated memory is still 140.5MB. Free memory was 107.9MB in the beginning and 94.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:04:56,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.82ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 91.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:56,200 INFO L158 Benchmark]: Boogie Preprocessor took 76.83ms. Allocated memory is still 140.5MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:56,201 INFO L158 Benchmark]: RCFGBuilder took 1090.26ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 89.9MB in the beginning and 122.7MB in the end (delta: -32.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-11-12 00:04:56,202 INFO L158 Benchmark]: CodeCheck took 3318.05ms. Allocated memory is still 169.9MB. Free memory was 122.7MB in the beginning and 51.3MB in the end (delta: 71.4MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-11-12 00:04:56,202 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 169.9MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:56,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 86 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 18/18 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 - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; VAL [ea=127, eb=127] [L251] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); [L251] RET, EXPR base2flt(0, 0) VAL [ea=127, eb=127] [L251] zero = base2flt(0, 0) [L252] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=33554431] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L29] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L57] COND TRUE 1 VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L76] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] [L77] (e + 128) << 24U VAL [\old(e)=127, \old(m)=33554431, e=127, m=33554431] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 102.8MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.94ms. Allocated memory is still 140.5MB. Free memory was 107.9MB in the beginning and 94.1MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.82ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 91.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.83ms. Allocated memory is still 140.5MB. Free memory was 91.5MB in the beginning and 89.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1090.26ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 89.9MB in the beginning and 122.7MB in the end (delta: -32.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * CodeCheck took 3318.05ms. Allocated memory is still 169.9MB. Free memory was 122.7MB in the beginning and 51.3MB in the end (delta: 71.4MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 169.9MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:04:56,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV --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 32bit --witnessprinter.graph.data.programhash 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:59,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:59,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:04:59,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:59,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:59,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:59,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:59,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:59,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:59,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:59,267 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:59,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:59,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:59,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:59,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:59,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:59,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:04:59,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:04:59,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:59,273 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:04:59,273 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:59,274 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:59,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:59,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:59,275 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:59,275 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:59,276 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:04:59,276 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:59,277 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:59,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:59,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:59,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:59,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:59,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:59,280 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:04:59,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:59,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:59,281 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:04:59,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:59,282 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2023-11-12 00:04:59,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:59,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:59,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:59,764 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:59,765 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:59,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2023-11-12 00:05:03,102 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:05:03,372 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:05:03,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2023-11-12 00:05:03,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data/c37e050bd/3fa41e2d0a7445a58e9dc61fd03790a5/FLAG10994add8 [2023-11-12 00:05:03,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/data/c37e050bd/3fa41e2d0a7445a58e9dc61fd03790a5 [2023-11-12 00:05:03,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:05:03,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:05:03,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:03,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:05:03,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:05:03,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d5cd04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03, skipping insertion in model container [2023-11-12 00:05:03,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,448 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:05:03,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:03,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:05:03,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:03,806 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:05:03,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03 WrapperNode [2023-11-12 00:05:03,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:03,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:03,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:05:03,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:05:03,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,884 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 168 [2023-11-12 00:05:03,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:03,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:05:03,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:05:03,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:05:03,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:05:03,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:05:03,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:05:03,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:05:03,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:03" (1/1) ... [2023-11-12 00:05:03,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:03,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:05:03,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:05:04,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:05:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:05:04,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:05:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-12 00:05:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-12 00:05:04,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:05:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:05:04,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:05:04,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:05:04,190 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:05:04,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:05:04,800 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:05:04,981 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:05:04,982 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:05:04,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:04 BoogieIcfgContainer [2023-11-12 00:05:04,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:05:04,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:05:04,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:05:04,999 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:05:04,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:04" (1/1) ... [2023-11-12 00:05:05,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:05:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2023-11-12 00:05:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2023-11-12 00:05:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:05:05,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:05,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:05,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:05,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:05:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,198 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:05:05,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:05,245 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:05:05,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2023-11-12 00:05:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2023-11-12 00:05:05,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:05:05,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:05,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:05,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:05,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:05:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,354 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:05:05,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:05,418 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:05:05,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2023-11-12 00:05:05,495 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2023-11-12 00:05:05,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:05:05,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:05,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:05,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:05,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:05:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,593 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:05:05,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:05,633 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:05:05,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2023-11-12 00:05:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2023-11-12 00:05:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:05:05,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:05,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:05,686 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:05,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:05:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,779 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:05:05,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:05,811 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:05:05,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2023-11-12 00:05:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2023-11-12 00:05:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:05:05,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:05,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:05,838 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:05:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,910 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:05,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:05:05,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:05,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2023-11-12 00:05:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-12 00:05:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:05:05,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:05,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:05,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:05,952 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:05,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:05:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:06,040 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:06,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:05:06,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:06,127 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:05:06,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2023-11-12 00:05:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2023-11-12 00:05:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:05:06,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:06,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:06,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:06,180 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:06,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-12 00:05:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:06,270 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:06,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:05:06,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:06,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2023-11-12 00:05:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2023-11-12 00:05:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:05:06,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:06,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:06,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:06,972 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:07,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-12 00:05:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,061 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:05:07,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:05:07,224 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:05:07,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2023-11-12 00:05:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2023-11-12 00:05:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:05:07,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:07,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:07,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:07,279 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:07,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-12 00:05:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,382 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:05:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:05:07,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:05:07,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:05:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:05:07,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:05:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2023-11-12 00:05:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2023-11-12 00:05:07,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:05:07,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:05:07,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:05:07,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:05:07,548 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:05:07,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-12 00:05:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:05:07,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:05:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:05:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:05:07,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:05:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:05:07,759 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:05:07,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-12 00:05:07,766 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-11-12 00:05:07,791 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-12 00:05:07,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:05:07 ImpRootNode [2023-11-12 00:05:07,799 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:05:07,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:05:07,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:05:07,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:05:07,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:05:04" (3/4) ... [2023-11-12 00:05:07,801 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:05:07,806 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-12 00:05:07,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:05:07,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:05:07,849 INFO L158 Benchmark]: Toolchain (without parser) took 4443.66ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 48.7MB in the end (delta: -4.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-12 00:05:07,850 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 61.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:07,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.22ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.3MB in the beginning and 70.2MB in the end (delta: -25.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-12 00:05:07,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.12ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:07,852 INFO L158 Benchmark]: Boogie Preprocessor took 74.29ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:07,852 INFO L158 Benchmark]: RCFGBuilder took 1024.49ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 31.4MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-12 00:05:07,853 INFO L158 Benchmark]: CodeCheck took 2812.06ms. Allocated memory is still 92.3MB. Free memory was 31.4MB in the beginning and 50.8MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:05:07,853 INFO L158 Benchmark]: Witness Printer took 49.59ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:05:07,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 86 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 239 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 277 mSDtfsCounter, 239 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 14/14 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 - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; [L251] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); [L251] RET, EXPR base2flt(0, 0) [L251] zero = base2flt(0, 0) [L252] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 61.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.22ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.3MB in the beginning and 70.2MB in the end (delta: -25.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.12ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.29ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1024.49ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 31.4MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 2812.06ms. Allocated memory is still 92.3MB. Free memory was 31.4MB in the beginning and 50.8MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.59ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:05:07,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83260e3e-a269-425c-a422-e26cf8d931d0/bin/ukojak-verify-0OAaufAVZV/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)