./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/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_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 21:37:37,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:37:37,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:37:37,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:37:37,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:37:37,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:37:37,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:37:37,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:37:37,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:37:37,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:37:37,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:37:37,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:37:37,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:37:37,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:37:37,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:37:37,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:37:37,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:37:37,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:37:37,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:37:37,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:37:37,262 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:37:37,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:37:37,262 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:37:37,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:37:37,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:37:37,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:37:37,263 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:37:37,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:37:37,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:37:37,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:37,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:37:37,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:37:37,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:37:37,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:37:37,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:37:37,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:37:37,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:37:37,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:37:37,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:37:37,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:37:37,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:37:37,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c Unable to find full path for "g++" [2024-11-13 21:37:40,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:37:40,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:37:40,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-13 21:37:40,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data/3093f19f0/25432ac704964693a063660bba9f928e/FLAG0eb7d4578 [2024-11-13 21:37:40,896 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data/3093f19f0/25432ac704964693a063660bba9f928e [2024-11-13 21:37:40,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:37:40,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:37:40,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:40,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:37:40,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:37:40,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:40" (1/1) ... [2024-11-13 21:37:40,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2bd617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:40, skipping insertion in model container [2024-11-13 21:37:40,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:40" (1/1) ... [2024-11-13 21:37:40,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:37:41,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:41,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:37:41,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:41,353 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:37:41,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41 WrapperNode [2024-11-13 21:37:41,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:41,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:41,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:37:41,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:37:41,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,410 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-11-13 21:37:41,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:41,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:37:41,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:37:41,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:37:41,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:37:41,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:37:41,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:37:41,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:37:41,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:41" (1/1) ... [2024-11-13 21:37:41,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:37:41,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:37:41,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:37:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:37:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:37:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 21:37:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 21:37:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:37:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:37:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-13 21:37:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-13 21:37:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:37:41,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:37:41,677 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:37:41,679 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:37:42,380 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-13 21:37:42,381 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:37:42,705 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:37:42,706 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:37:42,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:42 BoogieIcfgContainer [2024-11-13 21:37:42,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:37:42,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:37:42,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:37:42,720 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:37:42,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:42" (1/1) ... [2024-11-13 21:37:42,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:37:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-11-13 21:37:42,797 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-11-13 21:37:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:37:42,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 82 states and 96 transitions. [2024-11-13 21:37:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-11-13 21:37:43,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:37:43,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 88 states and 107 transitions. [2024-11-13 21:37:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 107 transitions. [2024-11-13 21:37:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:37:43,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 92 states and 113 transitions. [2024-11-13 21:37:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 113 transitions. [2024-11-13 21:37:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:37:43,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-13 21:37:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-13 21:37:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:37:43,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-13 21:37:43,679 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-13 21:37:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:37:43,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 96 states and 118 transitions. [2024-11-13 21:37:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-13 21:37:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:37:43,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2024-11-13 21:37:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2024-11-13 21:37:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:37:43,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2024-11-13 21:37:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2024-11-13 21:37:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:37:43,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:44,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 99 states and 121 transitions. [2024-11-13 21:37:44,130 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2024-11-13 21:37:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:37:44,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:44,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 102 states and 127 transitions. [2024-11-13 21:37:44,368 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 127 transitions. [2024-11-13 21:37:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:37:44,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:44,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 101 states and 126 transitions. [2024-11-13 21:37:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2024-11-13 21:37:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:37:44,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:44,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 103 states and 130 transitions. [2024-11-13 21:37:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2024-11-13 21:37:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:37:44,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:44,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 110 states and 142 transitions. [2024-11-13 21:37:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2024-11-13 21:37:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:37:45,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2024-11-13 21:37:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2024-11-13 21:37:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:37:45,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:45,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:46,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 119 states and 156 transitions. [2024-11-13 21:37:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 156 transitions. [2024-11-13 21:37:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:37:46,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 155 transitions. [2024-11-13 21:37:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 155 transitions. [2024-11-13 21:37:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:37:47,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:47,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 162 transitions. [2024-11-13 21:37:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 162 transitions. [2024-11-13 21:37:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:37:47,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:47,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 125 states and 163 transitions. [2024-11-13 21:37:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 163 transitions. [2024-11-13 21:37:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:37:47,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:47,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:47,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 124 states and 162 transitions. [2024-11-13 21:37:47,619 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2024-11-13 21:37:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:37:47,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:47,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 124 states and 161 transitions. [2024-11-13 21:37:47,732 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions. [2024-11-13 21:37:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:37:47,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:47,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:47,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:37:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:47,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:37:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:47,883 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-11-13 21:37:47,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:37:47 ImpRootNode [2024-11-13 21:37:47,948 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:37:47,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:37:47,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:37:47,949 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:37:47,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:42" (3/4) ... [2024-11-13 21:37:47,953 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:37:47,955 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:37:47,956 INFO L158 Benchmark]: Toolchain (without parser) took 7054.97ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 88.5MB in the end (delta: 3.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-13 21:37:47,956 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:47,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.82ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 78.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:37:47,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.28ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:47,958 INFO L158 Benchmark]: Boogie Preprocessor took 62.01ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:47,958 INFO L158 Benchmark]: RCFGBuilder took 1232.18ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 87.6MB in the end (delta: -12.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-13 21:37:47,959 INFO L158 Benchmark]: CodeCheck took 5241.01ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 88.5MB in the end (delta: -949.6kB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-11-13 21:37:47,959 INFO L158 Benchmark]: Witness Printer took 6.02ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:47,962 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: 5.2s, 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, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s 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 1.21ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.82ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 78.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.28ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.01ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1232.18ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 87.6MB in the end (delta: -12.4MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * CodeCheck took 5241.01ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 88.5MB in the end (delta: -949.6kB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Witness Printer took 6.02ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 9.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:37:47,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/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_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 21:37:51,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:37:51,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:37:51,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:37:51,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:37:51,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:37:51,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:37:51,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:37:51,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:37:51,747 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:37:51,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:37:51,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:37:51,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:37:51,749 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:37:51,749 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:51,749 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:37:51,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:37:51,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:51,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:37:51,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:37:51,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:37:51,752 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:37:51,752 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:51,754 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:37:51,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:37:52,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:37:52,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:37:52,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:37:52,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:37:52,200 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:37:52,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c Unable to find full path for "g++" [2024-11-13 21:37:54,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:37:54,830 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:37:54,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-13 21:37:54,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data/9a6a52ce1/2a9dff8ba5a54a6ba4ccf90c3e310656/FLAG8afd0217c [2024-11-13 21:37:54,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/data/9a6a52ce1/2a9dff8ba5a54a6ba4ccf90c3e310656 [2024-11-13 21:37:54,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:37:54,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:37:54,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:54,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:37:54,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:37:54,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:54" (1/1) ... [2024-11-13 21:37:54,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575395d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:54, skipping insertion in model container [2024-11-13 21:37:54,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:54" (1/1) ... [2024-11-13 21:37:54,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:37:55,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:55,221 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:37:55,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:55,301 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:37:55,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55 WrapperNode [2024-11-13 21:37:55,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:55,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:55,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:37:55,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:37:55,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,351 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2024-11-13 21:37:55,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:55,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:37:55,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:37:55,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:37:55,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:37:55,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:37:55,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:37:55,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:37:55,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:55" (1/1) ... [2024-11-13 21:37:55,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:55,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:37:55,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:37:55,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:37:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:37:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:37:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 21:37:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 21:37:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:37:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:37:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-13 21:37:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-13 21:37:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:37:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:37:55,573 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:37:55,576 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:37:56,100 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-13 21:37:56,100 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:37:56,280 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:37:56,280 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:37:56,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:56 BoogieIcfgContainer [2024-11-13 21:37:56,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:37:56,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:37:56,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:37:56,307 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:37:56,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:56" (1/1) ... [2024-11-13 21:37:56,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:37:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-11-13 21:37:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-11-13 21:37:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:37:56,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:56,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:56,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:56,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:56,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:37:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:56,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:56,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:37:56,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:56,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:37:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 81 states and 95 transitions. [2024-11-13 21:37:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2024-11-13 21:37:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:37:56,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:56,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:56,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:56,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:56,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:37:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:56,729 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:56,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:37:56,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:56,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:37:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:56,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-13 21:37:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-13 21:37:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:37:56,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:56,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:56,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:56,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:56,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:37:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,055 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:37:57,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:57,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:37:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2024-11-13 21:37:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2024-11-13 21:37:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:37:57,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:57,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:57,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:57,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:57,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:37:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:37:57,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:57,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:37:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2024-11-13 21:37:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2024-11-13 21:37:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:37:57,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:57,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:57,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:57,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:57,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:37:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:37:57,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:57,459 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:37:57,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:37:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-11-13 21:37:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-11-13 21:37:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:37:57,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:57,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:57,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:57,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:57,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:37:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,583 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:37:57,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:57,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:37:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2024-11-13 21:37:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2024-11-13 21:37:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:37:57,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:57,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:57,703 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:57,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:37:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:57,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:37:57,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:58,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 21:37:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2024-11-13 21:37:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-13 21:37:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:37:58,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:58,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:58,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:58,774 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:58,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:37:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:58,888 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:58,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:37:58,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:59,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:37:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 85 states and 103 transitions. [2024-11-13 21:37:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2024-11-13 21:37:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:37:59,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:59,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:59,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:59,133 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:59,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:37:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:59,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:59,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:37:59,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:37:59,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:37:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2024-11-13 21:37:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-13 21:37:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:37:59,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:59,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:59,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:59,452 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:59,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:37:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:59,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:37:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:59,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:37:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:59,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:37:59,723 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-13 21:37:59,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:37:59 ImpRootNode [2024-11-13 21:37:59,755 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:37:59,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:37:59,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:37:59,757 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:37:59,759 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:56" (3/4) ... [2024-11-13 21:37:59,761 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:37:59,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:37:59,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:37:59,823 INFO L158 Benchmark]: Toolchain (without parser) took 4951.04ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 42.3MB in the end (delta: 18.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 21:37:59,824 INFO L158 Benchmark]: CDTParser took 2.58ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:59,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.04ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:37:59,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.71ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:59,825 INFO L158 Benchmark]: Boogie Preprocessor took 39.21ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:59,825 INFO L158 Benchmark]: RCFGBuilder took 888.80ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 58.5MB in the end (delta: -14.9MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-13 21:37:59,828 INFO L158 Benchmark]: CodeCheck took 3473.95ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 44.3MB in the end (delta: 14.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-13 21:37:59,829 INFO L158 Benchmark]: Witness Printer took 66.27ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:59,831 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: 3.4s, 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, 1.0s 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, 1.0s 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 2.58ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.04ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.71ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 44.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.21ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 888.80ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 58.5MB in the end (delta: -14.9MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * CodeCheck took 3473.95ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 44.3MB in the end (delta: 14.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Witness Printer took 66.27ms. Allocated memory is still 83.9MB. Free memory was 44.3MB in the beginning and 42.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:37:59,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea7bd5a1-3473-4206-84fe-305162f31f1d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)