./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:32,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:32,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:23:32,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:32,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:33,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:33,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:33,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:33,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:33,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:33,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:33,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:33,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:33,018 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:33,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:33,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:33,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:33,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:33,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:33,022 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:23:33,022 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:33,023 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:33,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:33,024 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:33,025 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:33,025 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:33,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:33,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:33,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:33,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:33,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:33,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:33,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:33,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:33,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:33,032 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_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-19 03:23:33,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:33,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:33,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:33,459 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:33,459 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:33,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-19 03:23:36,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:36,943 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:36,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-19 03:23:36,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data/92a768a3a/a146d14891004850b378ce7de1131d72/FLAG55249787b [2023-11-19 03:23:36,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data/92a768a3a/a146d14891004850b378ce7de1131d72 [2023-11-19 03:23:36,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:36,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:36,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:36,980 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:36,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:36,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:36" (1/1) ... [2023-11-19 03:23:36,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c8ed20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:36, skipping insertion in model container [2023-11-19 03:23:36,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:36" (1/1) ... [2023-11-19 03:23:37,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:37,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:37,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:37,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:37,355 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:37,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37 WrapperNode [2023-11-19 03:23:37,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:37,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:37,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:37,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:37,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,396 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-19 03:23:37,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:37,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:37,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:37,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:37,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:37,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:37,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:37,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:37,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:37" (1/1) ... [2023-11-19 03:23:37,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:37,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:37,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:37,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:37,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:37,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:37,518 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:23:37,518 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:23:37,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:37,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:37,520 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:23:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:23:37,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:23:37,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:23:37,637 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:37,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:38,039 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:38,280 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:38,281 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:23:38,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:38 BoogieIcfgContainer [2023-11-19 03:23:38,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:38,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:38,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:38,296 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:38,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:38" (1/1) ... [2023-11-19 03:23:38,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-19 03:23:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-19 03:23:38,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:38,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2023-11-19 03:23:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2023-11-19 03:23:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:38,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:38,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2023-11-19 03:23:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2023-11-19 03:23:38,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:23:38,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-19 03:23:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-19 03:23:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:23:38,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:38,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2023-11-19 03:23:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2023-11-19 03:23:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:23:38,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2023-11-19 03:23:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2023-11-19 03:23:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:23:38,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:38,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2023-11-19 03:23:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2023-11-19 03:23:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:23:38,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:38,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 99 states and 122 transitions. [2023-11-19 03:23:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2023-11-19 03:23:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:23:39,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2023-11-19 03:23:39,121 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-11-19 03:23:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:23:39,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:39,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2023-11-19 03:23:39,184 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-11-19 03:23:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:23:39,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2023-11-19 03:23:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2023-11-19 03:23:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:23:39,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 103 states and 129 transitions. [2023-11-19 03:23:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2023-11-19 03:23:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:23:39,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:39,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:39,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:39,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2023-11-19 03:23:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2023-11-19 03:23:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:39,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:39,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2023-11-19 03:23:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-11-19 03:23:40,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:40,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:40,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 148 transitions. [2023-11-19 03:23:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2023-11-19 03:23:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:40,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:40,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 159 transitions. [2023-11-19 03:23:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2023-11-19 03:23:41,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:41,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:41,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 120 states and 158 transitions. [2023-11-19 03:23:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-11-19 03:23:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:41,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:41,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 165 transitions. [2023-11-19 03:23:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2023-11-19 03:23:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:41,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:41,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:41,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:41,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 166 transitions. [2023-11-19 03:23:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2023-11-19 03:23:41,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:41,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 126 states and 165 transitions. [2023-11-19 03:23:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2023-11-19 03:23:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:41,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:41,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:41,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 164 transitions. [2023-11-19 03:23:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2023-11-19 03:23:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:41,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:41,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:23:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:41,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:41,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:41,837 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-11-19 03:23:41,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-11-19 03:23:41,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:41 ImpRootNode [2023-11-19 03:23:41,870 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:41,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:41,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:41,871 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:41,872 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:38" (3/4) ... [2023-11-19 03:23:41,879 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:23:41,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:41,882 INFO L158 Benchmark]: Toolchain (without parser) took 4903.85ms. Allocated memory is still 169.9MB. Free memory was 126.8MB in the beginning and 54.8MB in the end (delta: 72.0MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,882 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:41,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.31ms. Allocated memory is still 169.9MB. Free memory was 126.5MB in the beginning and 113.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.55ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 111.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:41,885 INFO L158 Benchmark]: Boogie Preprocessor took 34.26ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,885 INFO L158 Benchmark]: RCFGBuilder took 854.85ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 126.4MB in the end (delta: -16.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,888 INFO L158 Benchmark]: CodeCheck took 3582.47ms. Allocated memory is still 169.9MB. Free memory was 126.4MB in the beginning and 54.8MB in the end (delta: 71.6MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:41,888 INFO L158 Benchmark]: Witness Printer took 10.54ms. Allocated memory is still 169.9MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:41,892 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 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, 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, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 2.8s 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, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s 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_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; VAL [ea=0, eb=0] [L241] 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); [L241] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L241] zero = base2flt(0, 0) [L242] 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] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=1] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 138.4MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.31ms. Allocated memory is still 169.9MB. Free memory was 126.5MB in the beginning and 113.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.55ms. Allocated memory is still 169.9MB. Free memory was 113.3MB in the beginning and 111.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.26ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 854.85ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 126.4MB in the end (delta: -16.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * CodeCheck took 3582.47ms. Allocated memory is still 169.9MB. Free memory was 126.4MB in the beginning and 54.8MB in the end (delta: 71.6MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Witness Printer took 10.54ms. Allocated memory is still 169.9MB. Free memory is still 54.8MB. 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 [2023-11-19 03:23:41,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:44,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:44,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:23:44,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:44,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:44,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:44,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:44,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:44,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:44,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:44,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:44,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:44,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:44,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:44,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:44,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:44,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:23:44,970 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:23:44,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:23:44,971 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:23:44,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:23:44,972 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:44,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:44,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:44,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:44,974 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:44,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:44,975 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:44,976 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:44,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:44,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:44,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:44,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:44,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:44,978 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:23:44,979 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:44,979 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:44,980 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:23:44,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:44,980 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_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-19 03:23:45,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:45,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:45,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:45,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:45,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:45,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-19 03:23:48,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:48,931 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:48,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-19 03:23:48,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data/e2b7e5367/67aa4d9a4e634b9993fad0b972c0e93f/FLAGc8ceb2739 [2023-11-19 03:23:48,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/data/e2b7e5367/67aa4d9a4e634b9993fad0b972c0e93f [2023-11-19 03:23:48,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:48,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:48,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:48,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:48,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:48,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:48,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c11b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:48, skipping insertion in model container [2023-11-19 03:23:48,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:48" (1/1) ... [2023-11-19 03:23:49,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:49,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:49,263 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:49,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:49,361 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:49,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49 WrapperNode [2023-11-19 03:23:49,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:49,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:49,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:49,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:49,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,407 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-19 03:23:49,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:49,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:49,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:49,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:49,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:49,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:49,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:49,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:49,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:49" (1/1) ... [2023-11-19 03:23:49,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:49,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:49,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:49,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:23:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:23:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:23:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:49,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:23:49,552 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:23:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:23:49,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:23:49,628 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:49,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:50,123 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:50,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:50,200 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:23:50,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:50 BoogieIcfgContainer [2023-11-19 03:23:50,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:23:50,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:23:50,213 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:23:50,225 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:23:50,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:50" (1/1) ... [2023-11-19 03:23:50,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:23:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-19 03:23:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-19 03:23:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:50,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:50,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:50,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:50,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:23:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:50,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:50,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:23:50,576 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Stream closed [2023-11-19 03:23:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-11-19 03:23:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-11-19 03:23:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:23:50,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:50,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:50,633 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:50,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:23:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:50,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:50,763 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:50,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:50,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-19 03:23:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-19 03:23:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:23:50,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:50,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:50,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:50,850 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:50,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:23:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,954 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:50,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:23:50,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:51,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-11-19 03:23:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-11-19 03:23:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:51,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:51,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:51,042 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:51,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:23:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:51,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:51,191 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:51,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-11-19 03:23:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-11-19 03:23:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:23:51,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:51,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:51,229 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:51,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:23:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:23:51,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:51,354 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:51,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-19 03:23:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-11-19 03:23:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-11-19 03:23:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:51,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:51,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:51,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:51,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:23:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:23:51,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:51,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:51,511 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-11-19 03:23:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-11-19 03:23:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:23:51,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:51,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:51,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:51,557 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:51,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 03:23:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:51,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:23:51,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:51,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:51,856 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:51,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:52,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-19 03:23:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-19 03:23:52,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:23:52,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:52,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:52,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:52,424 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:52,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 03:23:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:23:52,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:23:52,650 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:52,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 03:23:52,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:52,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2023-11-19 03:23:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-19 03:23:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:23:52,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:52,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:52,715 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:52,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 03:23:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:23:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:23:52,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:23:52,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:23:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:23:52,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:52,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:23:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-19 03:23:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-19 03:23:52,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:23:52,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:23:52,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:23:52,989 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:23:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 03:23:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:53,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:53,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:23:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:23:53,218 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:23:53,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-19 03:23:53,228 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-11-19 03:23:53,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 03:23:53,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:23:53 ImpRootNode [2023-11-19 03:23:53,278 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:23:53,279 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:23:53,279 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:23:53,279 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:23:53,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:23:50" (3/4) ... [2023-11-19 03:23:53,286 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:23:53,296 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 03:23:53,371 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:23:53,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:23:53,373 INFO L158 Benchmark]: Toolchain (without parser) took 4409.46ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.3MB in the beginning and 70.3MB in the end (delta: -21.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-19 03:23:53,373 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:53,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.05ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 56.7MB in the end (delta: -7.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:53,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.24ms. Allocated memory is still 77.6MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:53,375 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 53.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:53,376 INFO L158 Benchmark]: RCFGBuilder took 743.29ms. Allocated memory is still 77.6MB. Free memory was 53.5MB in the beginning and 31.6MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:53,377 INFO L158 Benchmark]: CodeCheck took 3066.01ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 31.6MB in the beginning and 72.4MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:53,377 INFO L158 Benchmark]: Witness Printer took 93.49ms. Allocated memory is still 102.8MB. Free memory was 72.4MB in the beginning and 70.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:53,380 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 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, 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, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.7s 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_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; [L241] 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); [L241] RET, EXPR base2flt(0, 0) [L241] zero = base2flt(0, 0) [L242] 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 0.35ms. Allocated memory is still 77.6MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.05ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 56.7MB in the end (delta: -7.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.24ms. Allocated memory is still 77.6MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 53.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 743.29ms. Allocated memory is still 77.6MB. Free memory was 53.5MB in the beginning and 31.6MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 3066.01ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 31.6MB in the beginning and 72.4MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.49ms. Allocated memory is still 102.8MB. Free memory was 72.4MB in the beginning and 70.3MB 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! [2023-11-19 03:23:53,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_385c2b85-989e-4610-a6ba-9da693f71be0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)