./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/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_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/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_308b31ff-f1bc-4547-b384-f67f566c1eb1/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 bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:25:17,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:25:17,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:25:17,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:25:17,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:25:17,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:25:17,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:25:17,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:25:17,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:25:17,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:25:17,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:25:17,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:25:17,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:25:17,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:25:17,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:25:17,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:25:17,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:25:17,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:25:17,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:25:17,291 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:25:17,291 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:25:17,291 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:25:17,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:25:17,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:25:17,292 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:25:17,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:25:17,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:25:17,292 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:25:17,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:25:17,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:17,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:25:17,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:25:17,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:25:17,294 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:25:17,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:25:17,294 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_308b31ff-f1bc-4547-b384-f67f566c1eb1/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 -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2024-11-13 22:25:17,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:25:17,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:25:17,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:25:17,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:25:17,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:25:17,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c Unable to find full path for "g++" [2024-11-13 22:25:19,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:25:20,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:25:20,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2024-11-13 22:25:20,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data/62281180e/bab760de48d04a33bcaca4a972f0d117/FLAGc24f0d980 [2024-11-13 22:25:20,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data/62281180e/bab760de48d04a33bcaca4a972f0d117 [2024-11-13 22:25:20,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:25:20,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:25:20,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:20,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:25:20,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:25:20,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:20" (1/1) ... [2024-11-13 22:25:20,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa49c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:20, skipping insertion in model container [2024-11-13 22:25:20,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:20" (1/1) ... [2024-11-13 22:25:20,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:25:20,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:20,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:25:21,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:21,031 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:25:21,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21 WrapperNode [2024-11-13 22:25:21,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:21,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:21,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:25:21,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:25:21,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,087 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-13 22:25:21,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:21,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:25:21,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:25:21,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:25:21,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:25:21,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:25:21,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:25:21,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:25:21,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:21" (1/1) ... [2024-11-13 22:25:21,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:21,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:25:21,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:25:21,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:25:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:25:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:25:21,237 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 22:25:21,238 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 22:25:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:25:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:25:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-13 22:25:21,239 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-13 22:25:21,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:25:21,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:25:21,360 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:25:21,362 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:25:21,936 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-13 22:25:21,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:25:22,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:25:22,240 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:25:22,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:22 BoogieIcfgContainer [2024-11-13 22:25:22,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:25:22,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:25:22,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:25:22,258 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:25:22,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:22" (1/1) ... [2024-11-13 22:25:22,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:25:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:22,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2024-11-13 22:25:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2024-11-13 22:25:22,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:25:22,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:22,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:22,555 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 22:25:22,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2024-11-13 22:25:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2024-11-13 22:25:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:25:22,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:22,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:22,788 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 22:25:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2024-11-13 22:25:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2024-11-13 22:25:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:25:22,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:22,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,013 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 22:25:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-13 22:25:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-13 22:25:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:25:23,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:23,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,181 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 22:25:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2024-11-13 22:25:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2024-11-13 22:25:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:25:23,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:23,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,317 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 22:25:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2024-11-13 22:25:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2024-11-13 22:25:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:25:23,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:23,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,429 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 22:25:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2024-11-13 22:25:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2024-11-13 22:25:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:25:23,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:23,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 99 states and 122 transitions. [2024-11-13 22:25:23,576 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2024-11-13 22:25:23,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:25:23,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:23,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,693 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 22:25:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2024-11-13 22:25:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2024-11-13 22:25:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:23,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:23,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,784 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 22:25:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2024-11-13 22:25:23,807 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2024-11-13 22:25:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:25:23,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:23,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:23,921 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 22:25:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2024-11-13 22:25:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2024-11-13 22:25:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:24,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:24,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:24,074 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 22:25:24,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 103 states and 129 transitions. [2024-11-13 22:25:24,161 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2024-11-13 22:25:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:25:24,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:24,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:24,285 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 22:25:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2024-11-13 22:25:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-11-13 22:25:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:24,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:24,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:24,739 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 22:25:25,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2024-11-13 22:25:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2024-11-13 22:25:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:25,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:25,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:25,158 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 22:25:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:25,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 148 transitions. [2024-11-13 22:25:25,270 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2024-11-13 22:25:25,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:25,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:25,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:25,440 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 22:25:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 159 transitions. [2024-11-13 22:25:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2024-11-13 22:25:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:26,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:26,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:26,175 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 22:25:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 120 states and 158 transitions. [2024-11-13 22:25:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2024-11-13 22:25:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:26,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:26,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:26,449 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 22:25:26,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 165 transitions. [2024-11-13 22:25:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2024-11-13 22:25:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:26,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:26,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:26,633 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 22:25:26,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 166 transitions. [2024-11-13 22:25:26,675 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2024-11-13 22:25:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:25:26,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:26,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:26,702 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 22:25:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 126 states and 165 transitions. [2024-11-13 22:25:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2024-11-13 22:25:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:25:26,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:26,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:26,757 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 22:25:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 164 transitions. [2024-11-13 22:25:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2024-11-13 22:25:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:25:26,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:26,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:25:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:26,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:25:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:26,933 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-11-13 22:25:26,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:25:26 ImpRootNode [2024-11-13 22:25:26,978 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:25:26,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:25:26,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:25:26,980 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:25:26,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:22" (3/4) ... [2024-11-13 22:25:26,983 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:25:26,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:25:26,985 INFO L158 Benchmark]: Toolchain (without parser) took 6434.93ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 84.6MB in the end (delta: 9.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-13 22:25:26,986 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:26,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.01ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 80.5MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:26,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.02ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:26,991 INFO L158 Benchmark]: Boogie Preprocessor took 53.97ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:26,991 INFO L158 Benchmark]: RCFGBuilder took 1095.48ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 91.2MB in the end (delta: -13.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-13 22:25:26,992 INFO L158 Benchmark]: CodeCheck took 4735.64ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 85.7MB in the end (delta: 5.5MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-11-13 22:25:26,992 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 84.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:26,997 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, 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, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; VAL [ea=0, eb=0] [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=1] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.01ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 80.5MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.02ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.97ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1095.48ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 91.2MB in the end (delta: -13.2MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * CodeCheck took 4735.64ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 85.7MB in the end (delta: 5.5MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 84.6MB in the end (delta: 1.1MB). 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 22:25:27,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/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_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/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_308b31ff-f1bc-4547-b384-f67f566c1eb1/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 bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:25:30,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:25:30,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 22:25:30,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:25:30,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:25:30,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:25:30,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:25:30,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:25:30,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:25:30,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:25:30,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:25:30,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:25:30,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:25:30,421 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:30,422 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:25:30,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:25:30,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:30,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:25:30,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:25:30,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:25:30,422 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:25:30,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:30,422 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:25:30,424 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_308b31ff-f1bc-4547-b384-f67f566c1eb1/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 -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2024-11-13 22:25:30,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:25:30,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:25:30,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:25:30,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:25:30,819 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:25:30,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c Unable to find full path for "g++" [2024-11-13 22:25:33,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:25:33,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:25:33,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2024-11-13 22:25:33,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data/1d1c37a8f/5ca248c66b944a8a936b1f4f4281d7bb/FLAG110681327 [2024-11-13 22:25:33,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/data/1d1c37a8f/5ca248c66b944a8a936b1f4f4281d7bb [2024-11-13 22:25:33,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:25:33,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:25:33,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:33,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:25:33,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:25:33,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6f2063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33, skipping insertion in model container [2024-11-13 22:25:33,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:25:33,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:33,761 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:25:33,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:33,870 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:25:33,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33 WrapperNode [2024-11-13 22:25:33,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:33,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:33,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:25:33,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:25:33,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,923 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2024-11-13 22:25:33,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:33,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:25:33,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:25:33,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:25:33,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:25:33,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:25:33,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:25:33,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:25:33,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:33" (1/1) ... [2024-11-13 22:25:33,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:25:34,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:25:34,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:25:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:25:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:25:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 22:25:34,080 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 22:25:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:25:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:25:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-13 22:25:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-13 22:25:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:25:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:25:34,226 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:25:34,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:25:34,716 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-11-13 22:25:34,716 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:25:34,843 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:25:34,848 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:25:34,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:34 BoogieIcfgContainer [2024-11-13 22:25:34,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:25:34,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:25:34,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:25:34,864 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:25:34,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:34" (1/1) ... [2024-11-13 22:25:34,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:25:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2024-11-13 22:25:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2024-11-13 22:25:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:25:34,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:34,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:34,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:34,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:34,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:25:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:25:35,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:35,130 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 22:25:35,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:25:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2024-11-13 22:25:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2024-11-13 22:25:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:25:35,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:35,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:35,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:35,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:35,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:25:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:25:35,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:35,329 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 22:25:35,330 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:25:35,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2024-11-13 22:25:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2024-11-13 22:25:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:25:35,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:35,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:35,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:35,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:35,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:25:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:25:35,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:35,577 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 22:25:35,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2024-11-13 22:25:35,650 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2024-11-13 22:25:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:35,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:35,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:35,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:35,655 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:35,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:25:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:25:35,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:35,771 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 22:25:35,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:25:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:35,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2024-11-13 22:25:35,795 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-13 22:25:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:25:35,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:35,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:35,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:35,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:35,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:25:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:35,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:25:35,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:35,929 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 22:25:35,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-11-13 22:25:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-11-13 22:25:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:35,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:35,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:35,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:35,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:35,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:25:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:36,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:36,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:25:36,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:36,117 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 22:25:36,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:25:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:36,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2024-11-13 22:25:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2024-11-13 22:25:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:36,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:36,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:36,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:36,189 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:36,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:25:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:36,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:36,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:25:36,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:36,441 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 22:25:36,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2024-11-13 22:25:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2024-11-13 22:25:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:37,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:37,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:37,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:37,113 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:37,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:25:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:25:37,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:37,383 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 22:25:37,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:37,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2024-11-13 22:25:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2024-11-13 22:25:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:25:37,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:37,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:37,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:37,431 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:37,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:25:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:25:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 22:25:37,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:37,595 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 22:25:37,597 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:25:37,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 22:25:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2024-11-13 22:25:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2024-11-13 22:25:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:25:37,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:37,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:37,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:25:37,680 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:25:37,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:25:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:37,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:25:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:37,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:25:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:25:37,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:25:37,886 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-13 22:25:37,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:25:37 ImpRootNode [2024-11-13 22:25:37,935 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:25:37,935 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:25:37,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:25:37,936 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:25:37,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:25:34" (3/4) ... [2024-11-13 22:25:37,939 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:25:37,998 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:25:37,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:25:37,999 INFO L158 Benchmark]: Toolchain (without parser) took 4627.83ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 57.2MB in the end (delta: 35.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-13 22:25:38,000 INFO L158 Benchmark]: CDTParser took 2.57ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:38,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.98ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.7MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:38,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.67ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:25:38,001 INFO L158 Benchmark]: Boogie Preprocessor took 55.63ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:38,001 INFO L158 Benchmark]: RCFGBuilder took 867.40ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 53.7MB in the end (delta: 22.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:25:38,003 INFO L158 Benchmark]: CodeCheck took 3085.50ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 59.2MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:38,003 INFO L158 Benchmark]: Witness Printer took 62.84ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:38,005 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 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, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.57ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.98ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 78.7MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.67ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.63ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 76.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 867.40ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 53.7MB in the end (delta: 22.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3085.50ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 59.2MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.84ms. Allocated memory is still 117.4MB. Free memory was 59.2MB in the beginning and 57.2MB 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 22:25:38,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_308b31ff-f1bc-4547-b384-f67f566c1eb1/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)