./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3.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_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/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_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/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_e80d1b33-605d-45c2-800f-5407e77e86a1/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 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:03,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:04,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:13:04,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:13:04,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:13:04,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:04,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:04,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:04,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:04,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:04,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:04,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:13:04,051 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:13:04,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:13:04,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:04,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:04,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:04,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:04,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:04,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:04,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:04,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:04,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:04,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:04,052 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:13:04,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:13:04,052 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_e80d1b33-605d-45c2-800f-5407e77e86a1/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 -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2024-11-13 21:13:04,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:04,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:04,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:04,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:04,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:04,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c Unable to find full path for "g++" [2024-11-13 21:13:06,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:13:06,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:13:06,558 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-11-13 21:13:06,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data/7f5da6b86/13b6ac99deb04089a335564b1e68ba2a/FLAGd7e581ee5 [2024-11-13 21:13:06,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data/7f5da6b86/13b6ac99deb04089a335564b1e68ba2a [2024-11-13 21:13:06,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:13:06,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:13:06,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:06,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:13:06,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:13:06,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:06,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb64d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06, skipping insertion in model container [2024-11-13 21:13:06,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:06,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:06,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:06,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:06,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:06,971 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:06,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06 WrapperNode [2024-11-13 21:13:06,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:06,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:06,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:06,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:06,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:06,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,012 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 209 [2024-11-13 21:13:07,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:07,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:07,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:07,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:07,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:07,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:07,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:07,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:07,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:06" (1/1) ... [2024-11-13 21:13:07,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:07,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:07,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:07,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:07,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:13:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 21:13:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 21:13:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:07,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:13:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:13:07,185 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:07,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:07,709 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:07,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:08,012 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:08,015 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:13:08,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:08 BoogieIcfgContainer [2024-11-13 21:13:08,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:08,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:08,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:08,026 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:08,027 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:08" (1/1) ... [2024-11-13 21:13:08,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2024-11-13 21:13:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2024-11-13 21:13:08,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:13:08,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2024-11-13 21:13:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2024-11-13 21:13:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:13:08,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 92 states and 117 transitions. [2024-11-13 21:13:08,476 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 117 transitions. [2024-11-13 21:13:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:13:08,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:08,555 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 21:13:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 96 states and 123 transitions. [2024-11-13 21:13:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-11-13 21:13:08,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:13:08,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 126 transitions. [2024-11-13 21:13:08,691 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 126 transitions. [2024-11-13 21:13:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:13:08,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 99 states and 127 transitions. [2024-11-13 21:13:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 127 transitions. [2024-11-13 21:13:08,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:13:08,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-11-13 21:13:08,888 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-11-13 21:13:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:13:08,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:08,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-11-13 21:13:08,967 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-11-13 21:13:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:13:08,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:08,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2024-11-13 21:13:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2024-11-13 21:13:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:13:09,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:09,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:09,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 103 states and 131 transitions. [2024-11-13 21:13:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2024-11-13 21:13:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:13:09,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:09,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:09,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 106 states and 137 transitions. [2024-11-13 21:13:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2024-11-13 21:13:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:13:09,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:09,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 105 states and 136 transitions. [2024-11-13 21:13:09,441 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2024-11-13 21:13:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:13:09,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:09,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 107 states and 140 transitions. [2024-11-13 21:13:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 140 transitions. [2024-11-13 21:13:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:09,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:09,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 114 states and 152 transitions. [2024-11-13 21:13:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2024-11-13 21:13:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:10,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:10,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 116 states and 155 transitions. [2024-11-13 21:13:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 155 transitions. [2024-11-13 21:13:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:10,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:10,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:10,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 123 states and 166 transitions. [2024-11-13 21:13:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 166 transitions. [2024-11-13 21:13:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:13:11,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:11,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 122 states and 165 transitions. [2024-11-13 21:13:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 165 transitions. [2024-11-13 21:13:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:13:11,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:11,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:11,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 127 states and 172 transitions. [2024-11-13 21:13:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 172 transitions. [2024-11-13 21:13:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:13:11,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 129 states and 173 transitions. [2024-11-13 21:13:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2024-11-13 21:13:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:13:11,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 128 states and 172 transitions. [2024-11-13 21:13:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2024-11-13 21:13:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:13:11,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:11,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 128 states and 171 transitions. [2024-11-13 21:13:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions. [2024-11-13 21:13:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:13:11,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:11,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:13:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:11,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:11,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:11,863 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2024-11-13 21:13:11,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:11 ImpRootNode [2024-11-13 21:13:11,890 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:11,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:11,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:11,891 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:11,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:08" (3/4) ... [2024-11-13 21:13:11,894 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:13:11,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:11,896 INFO L158 Benchmark]: Toolchain (without parser) took 5288.53ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.5MB in the beginning and 288.0MB in the end (delta: -169.5MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2024-11-13 21:13:11,896 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:11,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.19ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 104.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:13:11,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.61ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:11,897 INFO L158 Benchmark]: Boogie Preprocessor took 27.40ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:11,898 INFO L158 Benchmark]: RCFGBuilder took 975.58ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 98.7MB in the end (delta: 2.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-13 21:13:11,898 INFO L158 Benchmark]: CodeCheck took 3872.81ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 98.7MB in the beginning and 289.2MB in the end (delta: -190.4MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2024-11-13 21:13:11,899 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 427.8MB. Free memory was 289.2MB in the beginning and 288.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:11,901 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 3 procedures, 86 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; VAL [ea=0, eb=0] [L251] 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); [L251] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L251] zero = base2flt(0, 0) [L252] 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=-4294967296] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=-4294967296] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.19ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 104.5MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.61ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.40ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 975.58ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 98.7MB in the end (delta: 2.3MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * CodeCheck took 3872.81ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 98.7MB in the beginning and 289.2MB in the end (delta: -190.4MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 427.8MB. Free memory was 289.2MB in the beginning and 288.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:13:11,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/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_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/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_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/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_e80d1b33-605d-45c2-800f-5407e77e86a1/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 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:13:14,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:13:14,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:13:14,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:13:14,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:13:14,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:13:14,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:13:14,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:13:14,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:13:14,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:13:14,658 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:13:14,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:13:14,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:13:14,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:13:14,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:13:14,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:13:14,658 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:13:14,659 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:13:14,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:13:14,659 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:13:14,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:13:14,659 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:13:14,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:13:14,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:13:14,660 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:13:14,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:13:14,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:13:14,660 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:13:14,660 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:14,660 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:13:14,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:13:14,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:14,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:13:14,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:13:14,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:13:14,661 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:13:14,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:14,661 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:13:14,662 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_e80d1b33-605d-45c2-800f-5407e77e86a1/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 -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2024-11-13 21:13:15,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:13:15,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:13:15,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:13:15,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:13:15,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:13:15,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c Unable to find full path for "g++" [2024-11-13 21:13:16,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:13:17,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:13:17,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-11-13 21:13:17,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data/230486145/a4b6af913876470b9d3b7a767d6ae75f/FLAG399066e13 [2024-11-13 21:13:17,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/data/230486145/a4b6af913876470b9d3b7a767d6ae75f [2024-11-13 21:13:17,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:13:17,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:13:17,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:17,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:13:17,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:13:17,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18da3c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17, skipping insertion in model container [2024-11-13 21:13:17,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:17,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:17,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:17,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:17,585 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:17,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17 WrapperNode [2024-11-13 21:13:17,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:17,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:17,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:17,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:17,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,625 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 168 [2024-11-13 21:13:17,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:17,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:17,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:17,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:17,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:17,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:17,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:17,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:17,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:17" (1/1) ... [2024-11-13 21:13:17,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:17,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:17,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:17,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:17,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:13:17,759 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-13 21:13:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-13 21:13:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:17,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:13:17,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:13:17,868 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:17,870 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:18,372 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:18,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:18,596 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:18,598 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:13:18,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:18 BoogieIcfgContainer [2024-11-13 21:13:18,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:18,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:18,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:18,609 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:18,609 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:18" (1/1) ... [2024-11-13 21:13:18,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2024-11-13 21:13:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2024-11-13 21:13:18,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:13:18,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:18,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:18,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:18,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:18,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:13:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:13:18,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:18,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:13:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 85 states and 105 transitions. [2024-11-13 21:13:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2024-11-13 21:13:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:13:18,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:18,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:18,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:18,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:18,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:13:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:18,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:13:18,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:19,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:13:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2024-11-13 21:13:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-11-13 21:13:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:13:19,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:19,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:19,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:19,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:19,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:13:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:13:19,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:19,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:13:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 86 states and 107 transitions. [2024-11-13 21:13:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 107 transitions. [2024-11-13 21:13:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:19,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:19,275 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:19,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:13:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:13:19,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:19,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:13:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2024-11-13 21:13:19,390 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2024-11-13 21:13:19,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:19,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:19,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:19,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:19,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:19,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:13:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:13:19,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:19,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:13:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2024-11-13 21:13:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2024-11-13 21:13:19,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:13:19,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:19,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:19,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:19,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:19,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:13:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:13:19,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:19,621 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:13:19,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:19,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 83 states and 104 transitions. [2024-11-13 21:13:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 104 transitions. [2024-11-13 21:13:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:13:19,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:19,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:19,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:19,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:19,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:13:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:19,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:13:19,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:19,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:19,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2024-11-13 21:13:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2024-11-13 21:13:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:13:20,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:20,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:20,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:20,442 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:20,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:13:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:20,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:20,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:13:20,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:20,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:20,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:20,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2024-11-13 21:13:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2024-11-13 21:13:20,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:13:20,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:20,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:20,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:20,710 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:20,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:13:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:20,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:20,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:13:20,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:20,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:13:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:20,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2024-11-13 21:13:20,922 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2024-11-13 21:13:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:13:20,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:20,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:20,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:20,928 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:20,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:13:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:21,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:21,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:21,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:13:21,113 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-13 21:13:21,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:21 ImpRootNode [2024-11-13 21:13:21,157 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:21,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:21,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:21,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:21,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:18" (3/4) ... [2024-11-13 21:13:21,161 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:13:21,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:13:21,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:21,215 INFO L158 Benchmark]: Toolchain (without parser) took 3954.79ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 38.9MB in the end (delta: 53.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:21,216 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:21,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.20ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:13:21,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.37ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:21,216 INFO L158 Benchmark]: Boogie Preprocessor took 53.76ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:21,217 INFO L158 Benchmark]: RCFGBuilder took 917.56ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 84.3MB in the end (delta: -10.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-13 21:13:21,217 INFO L158 Benchmark]: CodeCheck took 2557.71ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 41.3MB in the end (delta: 43.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-11-13 21:13:21,217 INFO L158 Benchmark]: Witness Printer took 54.83ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 38.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:21,219 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 3 procedures, 86 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.6s 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, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; [L251] 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); [L251] RET, EXPR base2flt(0, 0) [L251] zero = base2flt(0, 0) [L252] 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.20ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 77.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.37ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.76ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 917.56ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 84.3MB in the end (delta: -10.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * CodeCheck took 2557.71ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 41.3MB in the end (delta: 43.0MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 54.83ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 38.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:13:21,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e80d1b33-605d-45c2-800f-5407e77e86a1/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)