./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk --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 da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:37:08,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:37:08,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 19:37:08,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:37:08,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:37:08,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:37:08,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:37:08,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:37:08,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:37:08,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:37:08,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:37:08,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:37:08,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:37:08,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:37:08,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:37:08,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:37:08,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:37:08,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:37:08,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:37:08,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:37:08,954 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:37:08,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:37:08,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:37:08,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:37:08,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:37:08,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:37:08,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:37:08,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:37:08,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:37:08,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:37:08,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:37:08,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:37:08,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:37:08,961 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:37:08,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:37:08,962 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_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2024-11-08 19:37:09,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:37:09,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:37:09,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:37:09,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:37:09,341 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:37:09,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c Unable to find full path for "g++" [2024-11-08 19:37:11,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:37:11,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:37:11,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-08 19:37:11,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data/07276632e/091b5a095965434ab5cdfd6eb76ab347/FLAG82e88c9fb [2024-11-08 19:37:11,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data/07276632e/091b5a095965434ab5cdfd6eb76ab347 [2024-11-08 19:37:11,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:37:11,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:37:11,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:37:11,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:37:11,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:37:11,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:37:11" (1/1) ... [2024-11-08 19:37:11,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edb2963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:11, skipping insertion in model container [2024-11-08 19:37:11,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:37:11" (1/1) ... [2024-11-08 19:37:11,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:37:12,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:37:12,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:37:12,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:37:12,269 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:37:12,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12 WrapperNode [2024-11-08 19:37:12,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:37:12,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:37:12,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:37:12,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:37:12,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,334 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-11-08 19:37:12,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:37:12,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:37:12,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:37:12,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:37:12,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:37:12,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:37:12,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:37:12,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:37:12,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:12" (1/1) ... [2024-11-08 19:37:12,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:37:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:37:12,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:37:12,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:37:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:37:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:37:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-08 19:37:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-08 19:37:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:37:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:37:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-08 19:37:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-08 19:37:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:37:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:37:12,544 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:37:12,546 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:37:13,118 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-08 19:37:13,118 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:37:13,376 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:37:13,376 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:37:13,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:13 BoogieIcfgContainer [2024-11-08 19:37:13,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:37:13,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:37:13,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:37:13,392 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:37:13,392 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:13" (1/1) ... [2024-11-08 19:37:13,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:37:13,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-11-08 19:37:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-11-08 19:37:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:37:13,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:13,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 82 states and 96 transitions. [2024-11-08 19:37:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-11-08 19:37:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:37:13,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:13,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 88 states and 107 transitions. [2024-11-08 19:37:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2024-11-08 19:37:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:37:13,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 92 states and 113 transitions. [2024-11-08 19:37:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 113 transitions. [2024-11-08 19:37:14,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:37:14,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-08 19:37:14,256 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-08 19:37:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:37:14,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-08 19:37:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-08 19:37:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:37:14,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 96 states and 118 transitions. [2024-11-08 19:37:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-08 19:37:14,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:37:14,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2024-11-08 19:37:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2024-11-08 19:37:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:37:14,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2024-11-08 19:37:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2024-11-08 19:37:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:37:14,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 99 states and 121 transitions. [2024-11-08 19:37:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2024-11-08 19:37:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:37:14,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 127 transitions. [2024-11-08 19:37:14,825 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2024-11-08 19:37:14,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:37:14,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 101 states and 126 transitions. [2024-11-08 19:37:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2024-11-08 19:37:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:37:14,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:14,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:15,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 103 states and 130 transitions. [2024-11-08 19:37:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2024-11-08 19:37:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:37:15,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 110 states and 142 transitions. [2024-11-08 19:37:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2024-11-08 19:37:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:37:15,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:15,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2024-11-08 19:37:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2024-11-08 19:37:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:37:15,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:15,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:16,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 119 states and 156 transitions. [2024-11-08 19:37:16,607 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 156 transitions. [2024-11-08 19:37:16,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:37:16,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:16,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 155 transitions. [2024-11-08 19:37:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 155 transitions. [2024-11-08 19:37:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:37:16,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:16,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 162 transitions. [2024-11-08 19:37:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 162 transitions. [2024-11-08 19:37:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:37:17,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:17,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 125 states and 163 transitions. [2024-11-08 19:37:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 163 transitions. [2024-11-08 19:37:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:37:17,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:17,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 124 states and 162 transitions. [2024-11-08 19:37:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2024-11-08 19:37:17,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:37:17,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:17,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 124 states and 161 transitions. [2024-11-08 19:37:17,249 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions. [2024-11-08 19:37:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:37:17,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:17,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:37:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:17,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:37:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:17,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:37:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:17,376 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-11-08 19:37:17,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:37:17 ImpRootNode [2024-11-08 19:37:17,433 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:37:17,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:37:17,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:37:17,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:37:17,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:13" (3/4) ... [2024-11-08 19:37:17,438 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:37:17,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:37:17,441 INFO L158 Benchmark]: Toolchain (without parser) took 5602.59ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 111.1MB in the beginning and 79.9MB in the end (delta: 31.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-11-08 19:37:17,442 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:37:17,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.87ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 95.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:37:17,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.15ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:37:17,445 INFO L158 Benchmark]: Boogie Preprocessor took 38.79ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:37:17,447 INFO L158 Benchmark]: RCFGBuilder took 1002.03ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 73.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:37:17,448 INFO L158 Benchmark]: CodeCheck took 4055.27ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 73.9MB in the beginning and 81.0MB in the end (delta: -7.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-08 19:37:17,449 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 169.9MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:37:17,452 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, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, 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, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s 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: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; VAL [ea=0, eb=0] [L245] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L245] zero = base2flt(0, 0) [L246] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L61] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] EXPR m & ~ (1U << 24U) [L80] m = m & ~ (1U << 24U) [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=1] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 113.2MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.87ms. Allocated memory is still 140.5MB. Free memory was 110.5MB in the beginning and 95.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.15ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.79ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.03ms. Allocated memory is still 140.5MB. Free memory was 91.7MB in the beginning and 73.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4055.27ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 73.9MB in the beginning and 81.0MB in the end (delta: -7.1MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 169.9MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:37:17,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk --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 da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:37:20,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:37:20,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-08 19:37:20,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:37:20,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:37:20,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:37:20,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:37:20,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:37:20,425 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:37:20,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:37:20,429 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:37:20,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:37:20,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:37:20,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:37:20,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:37:20,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:37:20,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:37:20,433 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:37:20,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:37:20,437 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:37:20,438 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:37:20,438 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:37:20,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:37:20,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:37:20,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:37:20,444 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:37:20,444 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:37:20,444 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:37:20,445 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:20,445 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:37:20,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:37:20,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:37:20,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:37:20,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:37:20,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:37:20,451 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:37:20,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:20,451 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:37:20,452 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_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2024-11-08 19:37:20,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:37:20,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:37:20,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:37:20,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:37:20,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:37:20,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c Unable to find full path for "g++" [2024-11-08 19:37:23,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:37:23,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:37:23,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-08 19:37:23,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data/fcdbdace8/2e25d0d804db47caace3bcf2642b3969/FLAG7a2789ab8 [2024-11-08 19:37:23,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/data/fcdbdace8/2e25d0d804db47caace3bcf2642b3969 [2024-11-08 19:37:23,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:37:23,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:37:23,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:37:23,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:37:23,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:37:23,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:37:23" (1/1) ... [2024-11-08 19:37:23,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3e86da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:23, skipping insertion in model container [2024-11-08 19:37:23,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:37:23" (1/1) ... [2024-11-08 19:37:23,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:37:24,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:37:24,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:37:24,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:37:24,189 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:37:24,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24 WrapperNode [2024-11-08 19:37:24,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:37:24,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:37:24,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:37:24,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:37:24,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,258 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2024-11-08 19:37:24,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:37:24,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:37:24,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:37:24,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:37:24,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:37:24,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:37:24,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:37:24,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:37:24,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:24" (1/1) ... [2024-11-08 19:37:24,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:37:24,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:37:24,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:37:24,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:37:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:37:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:37:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-08 19:37:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-08 19:37:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:37:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:37:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-08 19:37:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-08 19:37:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:37:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:37:24,567 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:37:24,572 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:37:25,091 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-08 19:37:25,092 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:37:25,222 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:37:25,222 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:37:25,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:25 BoogieIcfgContainer [2024-11-08 19:37:25,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:37:25,226 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:37:25,226 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:37:25,238 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:37:25,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:25" (1/1) ... [2024-11-08 19:37:25,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:37:25,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-11-08 19:37:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-11-08 19:37:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:37:25,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:25,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:25,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:25,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:25,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:37:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:25,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:25,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:37:25,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:25,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:25,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:37:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:25,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2024-11-08 19:37:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2024-11-08 19:37:25,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:37:25,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:25,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:25,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:25,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:25,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:37:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:25,695 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:25,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:37:25,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:25,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:37:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-08 19:37:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-08 19:37:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:37:25,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:25,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:25,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:25,878 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:25,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:37:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:25,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:25,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:37:25,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:26,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 19:37:26,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2024-11-08 19:37:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2024-11-08 19:37:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:37:26,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:26,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:26,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:26,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:26,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:37:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:37:26,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:26,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:26,252 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 19:37:26,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 19:37:26,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2024-11-08 19:37:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2024-11-08 19:37:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:37:26,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:26,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:26,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:26,285 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:26,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 19:37:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:37:26,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:26,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 19:37:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:26,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-11-08 19:37:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-11-08 19:37:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:37:26,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:26,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:26,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:26,415 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:26,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 19:37:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:37:26,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:26,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 19:37:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2024-11-08 19:37:26,630 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2024-11-08 19:37:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:37:26,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:26,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:26,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:26,636 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:26,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 19:37:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:26,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:37:26,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:26,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 19:37:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2024-11-08 19:37:27,585 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-08 19:37:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:37:27,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:27,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:27,592 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:27,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 19:37:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:27,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:27,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:37:27,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:37:27,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 19:37:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 85 states and 103 transitions. [2024-11-08 19:37:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2024-11-08 19:37:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 19:37:27,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:27,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:27,911 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:27,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 19:37:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:28,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:28,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:37:28,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:37:28,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 19:37:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2024-11-08 19:37:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-08 19:37:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:37:28,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:28,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:28,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:28,179 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:28,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 19:37:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:28,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:37:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:28,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:37:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:37:28,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:37:28,445 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-08 19:37:28,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:37:28 ImpRootNode [2024-11-08 19:37:28,495 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:37:28,496 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:37:28,496 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:37:28,496 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:37:28,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:25" (3/4) ... [2024-11-08 19:37:28,499 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:37:28,574 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:37:28,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:37:28,575 INFO L158 Benchmark]: Toolchain (without parser) took 4962.16ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 49.0MB in the beginning and 31.9MB in the end (delta: 17.1MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-11-08 19:37:28,579 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:37:28,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.00ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 32.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:37:28,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.22ms. Allocated memory is still 73.4MB. Free memory was 32.7MB in the beginning and 30.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:37:28,581 INFO L158 Benchmark]: Boogie Preprocessor took 80.31ms. Allocated memory is still 73.4MB. Free memory was 30.9MB in the beginning and 52.7MB in the end (delta: -21.8MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2024-11-08 19:37:28,581 INFO L158 Benchmark]: RCFGBuilder took 878.72ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 69.5MB in the end (delta: -16.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-08 19:37:28,582 INFO L158 Benchmark]: CodeCheck took 3269.39ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 34.0MB in the end (delta: 35.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-11-08 19:37:28,586 INFO L158 Benchmark]: Witness Printer took 79.00ms. Allocated memory is still 94.4MB. Free memory was 34.0MB in the beginning and 31.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:37:28,588 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, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, 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, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.8s 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, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s 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: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; [L245] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) [L245] zero = base2flt(0, 0) [L246] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L61] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.00ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 32.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.22ms. Allocated memory is still 73.4MB. Free memory was 32.7MB in the beginning and 30.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.31ms. Allocated memory is still 73.4MB. Free memory was 30.9MB in the beginning and 52.7MB in the end (delta: -21.8MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * RCFGBuilder took 878.72ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 69.5MB in the end (delta: -16.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * CodeCheck took 3269.39ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 34.0MB in the end (delta: 35.5MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Witness Printer took 79.00ms. Allocated memory is still 94.4MB. Free memory was 34.0MB in the beginning and 31.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:37:28,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bc03454-cec3-4804-95d8-5b3527781ebc/bin/ukojak-verify-ImItNfHLgk/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)