./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/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_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:23,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:23,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:03:23,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:23,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:23,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:23,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:23,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:23,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:23,321 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:23,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:23,323 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:23,324 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:23,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:23,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:23,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:23,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:23,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:23,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:23,329 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:23,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:23,331 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:23,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:23,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:23,333 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:23,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:23,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:23,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:23,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:23,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:23,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:23,338 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:23,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:23,339 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:23,339 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_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-12 00:03:23,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:23,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:23,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:23,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:23,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:23,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-12 00:03:27,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:27,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:27,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-12 00:03:27,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data/13db4c5a7/258c7adbb91a4b45a8ae5b4598aabefc/FLAGff6aa7754 [2023-11-12 00:03:27,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data/13db4c5a7/258c7adbb91a4b45a8ae5b4598aabefc [2023-11-12 00:03:27,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:27,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:27,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:27,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:27,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:27,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:27" (1/1) ... [2023-11-12 00:03:27,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3743147e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:27, skipping insertion in model container [2023-11-12 00:03:27,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:27" (1/1) ... [2023-11-12 00:03:27,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:28,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:28,203 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:28,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:28,279 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:28,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28 WrapperNode [2023-11-12 00:03:28,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:28,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:28,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:28,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:28,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,329 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-12 00:03:28,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:28,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:28,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:28,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:28,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:28,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:28,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:28,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:28,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:28" (1/1) ... [2023-11-12 00:03:28,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:28,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:28,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:28,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:03:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-12 00:03:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-12 00:03:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-12 00:03:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-12 00:03:28,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:03:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:03:28,590 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:28,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:29,224 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:29,407 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:29,407 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:03:29,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:29 BoogieIcfgContainer [2023-11-12 00:03:29,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:29,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:29,413 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:29,428 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:29,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:29" (1/1) ... [2023-11-12 00:03:29,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:29,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-12 00:03:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-12 00:03:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:29,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:29,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2023-11-12 00:03:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2023-11-12 00:03:29,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:29,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:29,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2023-11-12 00:03:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2023-11-12 00:03:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:30,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-12 00:03:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-12 00:03:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:30,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2023-11-12 00:03:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2023-11-12 00:03:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:30,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2023-11-12 00:03:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2023-11-12 00:03:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:03:30,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2023-11-12 00:03:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2023-11-12 00:03:30,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:03:30,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 99 states and 122 transitions. [2023-11-12 00:03:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2023-11-12 00:03:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:03:30,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:30,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2023-11-12 00:03:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-11-12 00:03:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:30,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:30,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2023-11-12 00:03:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-11-12 00:03:31,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:31,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:31,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2023-11-12 00:03:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2023-11-12 00:03:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:31,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:31,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:31,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 103 states and 129 transitions. [2023-11-12 00:03:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2023-11-12 00:03:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:03:31,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:31,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2023-11-12 00:03:31,876 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2023-11-12 00:03:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:31,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:31,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2023-11-12 00:03:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-11-12 00:03:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:32,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:32,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 148 transitions. [2023-11-12 00:03:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2023-11-12 00:03:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:32,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 159 transitions. [2023-11-12 00:03:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2023-11-12 00:03:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:33,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 120 states and 158 transitions. [2023-11-12 00:03:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-11-12 00:03:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:33,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 165 transitions. [2023-11-12 00:03:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2023-11-12 00:03:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:33,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:33,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 166 transitions. [2023-11-12 00:03:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2023-11-12 00:03:33,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:33,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 126 states and 165 transitions. [2023-11-12 00:03:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2023-11-12 00:03:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:33,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 164 transitions. [2023-11-12 00:03:33,833 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2023-11-12 00:03:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:33,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:33,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:33,844 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:33,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:33,968 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-11-12 00:03:34,010 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-11-12 00:03:34,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:03:34 ImpRootNode [2023-11-12 00:03:34,020 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:03:34,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:03:34,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:03:34,022 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:03:34,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:29" (3/4) ... [2023-11-12 00:03:34,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:03:34,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:03:34,029 INFO L158 Benchmark]: Toolchain (without parser) took 6211.96ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 115.7MB in the beginning and 111.1MB in the end (delta: 4.6MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:34,029 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 121.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:34,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.13ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 119.7MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:03:34,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.36ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:34,032 INFO L158 Benchmark]: Boogie Preprocessor took 40.83ms. Allocated memory is still 155.2MB. Free memory was 118.2MB in the beginning and 116.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:34,033 INFO L158 Benchmark]: RCFGBuilder took 1039.78ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 77.9MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 00:03:34,034 INFO L158 Benchmark]: CodeCheck took 4607.46ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 77.9MB in the beginning and 112.1MB in the end (delta: -34.2MB). Peak memory consumption was 166.3kB. Max. memory is 16.1GB. [2023-11-12 00:03:34,034 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 186.6MB. Free memory was 112.1MB in the beginning and 111.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:34,039 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: 4.5s, 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, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 3.8s 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, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s 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=127, eb=127] [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=127, eb=127] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L76] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=127, \old(m)=16777216, e=127, m=0] [L77] (e + 128) << 24U VAL [\old(e)=127, \old(m)=16777216, e=127, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 121.6MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.13ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 119.7MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.36ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 118.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.83ms. Allocated memory is still 155.2MB. Free memory was 118.2MB in the beginning and 116.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1039.78ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 77.9MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 4607.46ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 77.9MB in the beginning and 112.1MB in the end (delta: -34.2MB). Peak memory consumption was 166.3kB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 186.6MB. Free memory was 112.1MB in the beginning and 111.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:03:34,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/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_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:37,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:37,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:03:37,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:37,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:37,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:37,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:37,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:37,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:37,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:37,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:03:37,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:03:37,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:37,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:37,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:37,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:37,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:03:37,487 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:03:37,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:37,488 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:03:37,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:37,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:03:37,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:37,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:37,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:37,496 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:37,497 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:03:37,498 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:37,499 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:03:37,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:37,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:37,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:37,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:37,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:37,503 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:03:37,503 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:37,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:37,505 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:03:37,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:03:37,506 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_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-11-12 00:03:38,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:38,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:38,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:38,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:38,050 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:38,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-12 00:03:42,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:42,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:42,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-11-12 00:03:42,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data/fdbfed2b9/3349a52ed71f40c481d98600c0dbd38d/FLAGaeb38bda6 [2023-11-12 00:03:42,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/data/fdbfed2b9/3349a52ed71f40c481d98600c0dbd38d [2023-11-12 00:03:42,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:42,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:42,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:42,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:42,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:42,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:42,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422235ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:42, skipping insertion in model container [2023-11-12 00:03:42,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:42" (1/1) ... [2023-11-12 00:03:42,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:42,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:42,966 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:43,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:43,075 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:43,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43 WrapperNode [2023-11-12 00:03:43,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:43,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:43,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:43,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:43,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,147 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-12 00:03:43,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:43,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:43,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:43,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:43,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:43,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:43,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:43,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:43,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:43" (1/1) ... [2023-11-12 00:03:43,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:43,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:43,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:43,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:43,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:03:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-12 00:03:43,322 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-12 00:03:43,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:43,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-12 00:03:43,323 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-12 00:03:43,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:03:43,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:03:43,431 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:43,434 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:44,033 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:44,150 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:44,150 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:03:44,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:44 BoogieIcfgContainer [2023-11-12 00:03:44,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:44,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:44,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:44,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:44,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:44" (1/1) ... [2023-11-12 00:03:44,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-11-12 00:03:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-11-12 00:03:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:44,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:44,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:44,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:44,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:44,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:03:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:44,435 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:44,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:03:44,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:44,499 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:03:44,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:44,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-11-12 00:03:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-11-12 00:03:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:03:44,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:44,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:44,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:44,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-12 00:03:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:44,659 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:44,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:03:44,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:44,746 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:03:44,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-11-12 00:03:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-11-12 00:03:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:44,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:44,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:44,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:44,820 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:44,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:03:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:44,949 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:44,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:44,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:44,994 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:03:45,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-11-12 00:03:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-11-12 00:03:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:45,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:45,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:45,048 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:45,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:03:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,155 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:03:45,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:45,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-11-12 00:03:45,206 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-11-12 00:03:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:45,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:45,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:45,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:45,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 00:03:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,285 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:03:45,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:45,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-11-12 00:03:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-11-12 00:03:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:45,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:45,344 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:45,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-12 00:03:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,435 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:45,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:45,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-11-12 00:03:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-11-12 00:03:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:45,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:45,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:45,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:45,570 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:45,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-12 00:03:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,692 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:45,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:03:45,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:45,877 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:03:45,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-12 00:03:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-12 00:03:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:46,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:46,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:46,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:46,454 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:46,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-12 00:03:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,523 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:03:46,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:46,676 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:03:46,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-12 00:03:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2023-11-12 00:03:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-12 00:03:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:46,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:46,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:46,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:46,731 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:46,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-12 00:03:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,804 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-12 00:03:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:46,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:03:46,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:03:46,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:46,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-11-12 00:03:46,941 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-11-12 00:03:46,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:46,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:46,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:46,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:46,951 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:46,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-12 00:03:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:47,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:47,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:47,113 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-12 00:03:47,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:47,114 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-11-12 00:03:47,141 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-12 00:03:47,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:03:47 ImpRootNode [2023-11-12 00:03:47,154 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:03:47,155 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:03:47,155 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:03:47,156 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:03:47,156 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:44" (3/4) ... [2023-11-12 00:03:47,157 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:03:47,162 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-12 00:03:47,207 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:03:47,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:03:47,208 INFO L158 Benchmark]: Toolchain (without parser) took 4729.60ms. Allocated memory was 65.0MB in the beginning and 98.6MB in the end (delta: 33.6MB). Free memory was 40.3MB in the beginning and 49.7MB in the end (delta: -9.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-12 00:03:47,209 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:47,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.99ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.2MB in the beginning and 57.0MB in the end (delta: -16.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-12 00:03:47,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.21ms. Allocated memory is still 81.8MB. Free memory was 57.0MB in the beginning and 55.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:47,211 INFO L158 Benchmark]: Boogie Preprocessor took 52.33ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:47,211 INFO L158 Benchmark]: RCFGBuilder took 953.04ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 77.4kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:03:47,212 INFO L158 Benchmark]: CodeCheck took 2996.04ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 53.1MB in the beginning and 51.7MB in the end (delta: 1.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-12 00:03:47,213 INFO L158 Benchmark]: Witness Printer took 52.19ms. Allocated memory is still 98.6MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:47,216 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: 2.9s, 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: 0.0s 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 0.42ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.99ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.2MB in the beginning and 57.0MB in the end (delta: -16.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.21ms. Allocated memory is still 81.8MB. Free memory was 57.0MB in the beginning and 55.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.33ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 53.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 953.04ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 53.5MB in the end (delta: 77.4kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2996.04ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 53.1MB in the beginning and 51.7MB in the end (delta: 1.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 52.19ms. Allocated memory is still 98.6MB. Free memory was 51.7MB in the beginning and 49.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:03:47,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_021f73a1-4ef7-4afc-aec4-13dd66457d01/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)