./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:33:49,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:33:49,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 02:33:49,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:33:49,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:33:49,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:33:49,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:33:49,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:33:49,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:33:49,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:33:49,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:33:49,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:33:49,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:33:49,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:33:49,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:33:49,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:33:49,214 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:33:49,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:33:49,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:33:49,214 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:33:49,214 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:33:49,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:33:49,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:33:49,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:33:49,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:33:49,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:33:49,216 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:33:49,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:33:49,217 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_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2024-11-25 02:33:49,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:33:49,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:33:49,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:33:49,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:33:49,656 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:33:49,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-25 02:33:53,053 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/0e65d2d5d/544565093b9648d6ba0f5202fd6856ce/FLAG51d5944e3 [2024-11-25 02:33:53,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:33:53,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-25 02:33:53,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/0e65d2d5d/544565093b9648d6ba0f5202fd6856ce/FLAG51d5944e3 [2024-11-25 02:33:53,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/0e65d2d5d/544565093b9648d6ba0f5202fd6856ce [2024-11-25 02:33:53,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:33:53,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:33:53,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:33:53,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:33:53,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:33:53,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e584a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53, skipping insertion in model container [2024-11-25 02:33:53,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:33:53,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:33:53,753 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:33:53,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:33:53,854 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:33:53,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53 WrapperNode [2024-11-25 02:33:53,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:33:53,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:33:53,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:33:53,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:33:53,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,898 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-11-25 02:33:53,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:33:53,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:33:53,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:33:53,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:33:53,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:33:53,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:33:53,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:33:53,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:33:53,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:53" (1/1) ... [2024-11-25 02:33:53,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:33:53,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:33:53,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:33:53,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:33:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:33:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:33:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 02:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 02:33:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:33:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-25 02:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-25 02:33:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:33:54,114 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:33:54,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:33:54,758 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-25 02:33:54,758 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:33:55,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:33:55,095 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:33:55,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:55 BoogieIcfgContainer [2024-11-25 02:33:55,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:33:55,097 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:33:55,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:33:55,110 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:33:55,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:55" (1/1) ... [2024-11-25 02:33:55,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:33:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-11-25 02:33:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-11-25 02:33:55,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:33:55,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:55,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2024-11-25 02:33:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2024-11-25 02:33:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:33:55,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:55,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2024-11-25 02:33:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2024-11-25 02:33:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:33:55,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:55,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2024-11-25 02:33:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2024-11-25 02:33:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:33:56,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:56,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 91 states and 113 transitions. [2024-11-25 02:33:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2024-11-25 02:33:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:33:56,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2024-11-25 02:33:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2024-11-25 02:33:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:33:56,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 93 states and 115 transitions. [2024-11-25 02:33:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2024-11-25 02:33:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:33:56,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-25 02:33:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-25 02:33:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:33:56,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-11-25 02:33:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-11-25 02:33:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:33:56,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:33:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-25 02:33:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-25 02:33:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:33:56,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 97 states and 122 transitions. [2024-11-25 02:33:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2024-11-25 02:33:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:33:56,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:56,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:57,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-11-25 02:33:57,100 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-11-25 02:33:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:33:57,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:57,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:57,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 132 transitions. [2024-11-25 02:33:57,545 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2024-11-25 02:33:57,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:33:57,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:57,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 144 transitions. [2024-11-25 02:33:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2024-11-25 02:33:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:33:58,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 110 states and 146 transitions. [2024-11-25 02:33:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 146 transitions. [2024-11-25 02:33:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:33:58,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:58,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 116 states and 156 transitions. [2024-11-25 02:33:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2024-11-25 02:33:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:33:59,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:59,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:59,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 120 states and 163 transitions. [2024-11-25 02:33:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2024-11-25 02:33:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:33:59,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:59,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:33:59,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 121 states and 164 transitions. [2024-11-25 02:33:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2024-11-25 02:33:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:33:59,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:59,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:59,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:33:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 119 states and 161 transitions. [2024-11-25 02:33:59,861 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2024-11-25 02:33:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:33:59,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:59,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:59,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 162 transitions. [2024-11-25 02:33:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 162 transitions. [2024-11-25 02:33:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:33:59,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:59,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:00,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:00,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:00,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 120 states and 161 transitions. [2024-11-25 02:34:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2024-11-25 02:34:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:34:00,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:00,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:00,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 120 states and 160 transitions. [2024-11-25 02:34:00,108 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2024-11-25 02:34:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:34:00,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:00,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:00,130 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:00,174 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:00,196 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2024-11-25 02:34:00,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:34:00 ImpRootNode [2024-11-25 02:34:00,226 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:34:00,227 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:34:00,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:34:00,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:34:00,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:55" (3/4) ... [2024-11-25 02:34:00,230 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:34:00,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:34:00,232 INFO L158 Benchmark]: Toolchain (without parser) took 6805.45ms. Allocated memory is still 167.8MB. Free memory was 129.6MB in the beginning and 65.1MB in the end (delta: 64.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:34:00,232 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:00,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.95ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 115.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:34:00,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.24ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 114.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:00,233 INFO L158 Benchmark]: Boogie Preprocessor took 41.19ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 112.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:00,234 INFO L158 Benchmark]: RCFGBuilder took 1154.39ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 69.6MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:34:00,236 INFO L158 Benchmark]: CodeCheck took 5129.18ms. Allocated memory is still 167.8MB. Free memory was 69.6MB in the beginning and 65.2MB in the end (delta: 4.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-25 02:34:00,237 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 167.8MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:00,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 80 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1546 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 965 mSDsluCounter, 1126 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 748 mSDsCounter, 657 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2534 IncrementalHoareTripleChecker+Invalid, 3191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 657 mSolverCounterUnsat, 378 mSDtfsCounter, 2534 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2230 GetRequests, 2135 SyntacticMatches, 27 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 20/23 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; VAL [ea=0, eb=0] [L245] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L245] zero = base2flt(0, 0) [L246] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] EXPR m & ~ (1U << 24U) [L80] m = m & ~ (1U << 24U) [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.95ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 115.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.24ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 114.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.19ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 112.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1154.39ms. Allocated memory is still 167.8MB. Free memory was 112.7MB in the beginning and 69.6MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 5129.18ms. Allocated memory is still 167.8MB. Free memory was 69.6MB in the beginning and 65.2MB in the end (delta: 4.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 167.8MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:34:00,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:03,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:03,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 02:34:03,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:03,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:03,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:03,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:03,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:03,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:03,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:03,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:34:03,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:34:03,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:03,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:34:03,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:03,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:03,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:03,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:03,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:03,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:03,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:03,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:34:03,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:03,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:03,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:03,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:03,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:03,292 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:34:03,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:03,292 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:34:03,292 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_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2024-11-25 02:34:03,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:03,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:03,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:03,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:03,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:03,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-25 02:34:06,727 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/44d14a489/be88316af1214770b26f3483fa6ae0a6/FLAG550eb8683 [2024-11-25 02:34:07,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:34:07,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-11-25 02:34:07,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/44d14a489/be88316af1214770b26f3483fa6ae0a6/FLAG550eb8683 [2024-11-25 02:34:07,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/data/44d14a489/be88316af1214770b26f3483fa6ae0a6 [2024-11-25 02:34:07,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:34:07,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:34:07,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:07,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:34:07,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:34:07,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f665f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07, skipping insertion in model container [2024-11-25 02:34:07,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:34:07,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:07,434 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:34:07,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:07,498 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:34:07,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07 WrapperNode [2024-11-25 02:34:07,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:07,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:07,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:34:07,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:34:07,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,553 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2024-11-25 02:34:07,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:07,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:34:07,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:34:07,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:34:07,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:34:07,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:34:07,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:34:07,607 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:34:07,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:07" (1/1) ... [2024-11-25 02:34:07,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:07,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:34:07,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:34:07,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:34:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:34:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:34:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 02:34:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 02:34:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:34:07,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:34:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-25 02:34:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-25 02:34:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:34:07,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:34:07,787 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:34:07,789 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:34:08,305 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-25 02:34:08,305 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:34:08,435 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:34:08,436 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:34:08,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:08 BoogieIcfgContainer [2024-11-25 02:34:08,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:34:08,438 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:34:08,438 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:34:08,449 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:34:08,449 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:08" (1/1) ... [2024-11-25 02:34:08,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:34:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-11-25 02:34:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-11-25 02:34:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:34:08,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:08,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:08,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:08,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:34:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:08,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:08,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:34:08,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:34:08,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:34:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2024-11-25 02:34:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2024-11-25 02:34:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:34:08,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:08,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:08,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:08,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:08,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:34:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:08,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:08,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:34:08,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:08,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:34:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2024-11-25 02:34:09,031 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2024-11-25 02:34:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:34:09,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:09,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:09,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:09,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:09,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:34:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:34:09,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:09,153 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:34:09,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 02:34:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-11-25 02:34:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-11-25 02:34:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:34:09,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:09,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:09,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:09,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:09,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:34:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:34:09,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:09,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:34:09,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2024-11-25 02:34:09,287 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2024-11-25 02:34:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:34:09,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:09,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:09,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:09,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:09,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:34:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:34:09,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:09,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:34:09,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2024-11-25 02:34:09,407 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2024-11-25 02:34:09,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:34:09,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:09,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:09,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:09,411 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:09,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:34:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:09,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:34:09,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:09,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:34:09,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:34:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2024-11-25 02:34:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2024-11-25 02:34:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:34:10,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:10,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:10,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:10,145 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:10,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:34:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:10,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:10,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:34:10,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:10,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:10,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 02:34:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2024-11-25 02:34:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2024-11-25 02:34:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:34:10,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:10,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:10,369 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:10,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:34:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:10,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:10,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:34:10,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:34:10,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:34:10,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2024-11-25 02:34:10,604 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2024-11-25 02:34:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:34:10,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:10,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:10,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:10,612 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:10,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:34:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:10,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:10,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 02:34:10,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:34:10,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:34:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2024-11-25 02:34:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2024-11-25 02:34:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:34:10,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:10,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:10,846 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:10,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:34:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:10,935 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:11,026 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:11,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:34:11,065 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-25 02:34:11,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:34:11 ImpRootNode [2024-11-25 02:34:11,104 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:34:11,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:34:11,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:34:11,106 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:34:11,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:08" (3/4) ... [2024-11-25 02:34:11,107 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:34:11,164 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 02:34:11,216 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:34:11,216 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:34:11,216 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:34:11,217 INFO L158 Benchmark]: Toolchain (without parser) took 4085.48ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 21.5MB in the end (delta: 39.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-25 02:34:11,217 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:11,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.51ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 47.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:34:11,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.54ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 45.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:11,219 INFO L158 Benchmark]: Boogie Preprocessor took 49.28ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:11,219 INFO L158 Benchmark]: RCFGBuilder took 830.30ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 50.6MB in the end (delta: -6.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-25 02:34:11,220 INFO L158 Benchmark]: CodeCheck took 2666.62ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 26.2MB in the end (delta: 24.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-25 02:34:11,220 INFO L158 Benchmark]: Witness Printer took 111.32ms. Allocated memory is still 83.9MB. Free memory was 25.6MB in the beginning and 21.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:34:11,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 80 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 229 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 205 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1003 GetRequests, 979 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 116 ConstructedInterpolants, 15 QuantifiedInterpolants, 193 SizeOfPredicates, 3 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 16/16 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; [L245] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) [L245] zero = base2flt(0, 0) [L246] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.51ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 47.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.54ms. Allocated memory is still 83.9MB. Free memory was 46.8MB in the beginning and 45.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.28ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 44.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 830.30ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 50.6MB in the end (delta: -6.5MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 2666.62ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 26.2MB in the end (delta: 24.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 111.32ms. Allocated memory is still 83.9MB. Free memory was 25.6MB in the beginning and 21.5MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:34:11,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f82018-78d9-4160-b139-3edd0941660e/bin/ukojak-verify-ENZ3QT5qd3/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)