./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:09:03,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:09:03,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 04:09:03,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:09:03,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:09:03,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:09:03,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:09:03,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:09:03,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:09:03,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:09:03,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:09:03,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:09:03,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:09:03,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:09:03,917 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:09:03,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:09:03,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:09:03,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:09:03,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:09:03,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:09:03,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:09:03,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:09:03,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:09:03,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:09:03,918 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_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2024-12-06 04:09:04,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:09:04,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:09:04,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:09:04,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:09:04,164 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:09:04,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2024-12-06 04:09:06,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/0b82bd9f2/a5aeae7d3fe249dba83b43d8c780688b/FLAG646856be9 [2024-12-06 04:09:06,992 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:09:06,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2024-12-06 04:09:06,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/0b82bd9f2/a5aeae7d3fe249dba83b43d8c780688b/FLAG646856be9 [2024-12-06 04:09:07,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/0b82bd9f2/a5aeae7d3fe249dba83b43d8c780688b [2024-12-06 04:09:07,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:09:07,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:09:07,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:09:07,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:09:07,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:09:07,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e84f644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07, skipping insertion in model container [2024-12-06 04:09:07,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:09:07,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:09:07,550 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:09:07,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:09:07,587 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:09:07,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07 WrapperNode [2024-12-06 04:09:07,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:09:07,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:09:07,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:09:07,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:09:07,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,611 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-12-06 04:09:07,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:09:07,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:09:07,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:09:07,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:09:07,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:09:07,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:09:07,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:09:07,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:09:07,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:07" (1/1) ... [2024-12-06 04:09:07,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:09:07,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:09:07,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:09:07,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:09:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:09:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:09:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 04:09:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 04:09:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:09:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:09:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-12-06 04:09:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-12-06 04:09:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:09:07,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:09:07,736 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:09:07,737 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:09:08,075 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-12-06 04:09:08,075 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:09:08,191 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:09:08,191 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:09:08,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:08 BoogieIcfgContainer [2024-12-06 04:09:08,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:09:08,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:09:08,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:09:08,200 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:09:08,200 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:08" (1/1) ... [2024-12-06 04:09:08,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:09:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-12-06 04:09:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-12-06 04:09:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:09:08,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 87 states and 107 transitions. [2024-12-06 04:09:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2024-12-06 04:09:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:09:08,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 90 states and 113 transitions. [2024-12-06 04:09:08,609 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 113 transitions. [2024-12-06 04:09:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:09:08,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 92 states and 115 transitions. [2024-12-06 04:09:08,671 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 115 transitions. [2024-12-06 04:09:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 04:09:08,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 93 states and 116 transitions. [2024-12-06 04:09:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2024-12-06 04:09:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:09:08,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 94 states and 117 transitions. [2024-12-06 04:09:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions. [2024-12-06 04:09:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 04:09:08,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 95 states and 118 transitions. [2024-12-06 04:09:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 118 transitions. [2024-12-06 04:09:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:09:08,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2024-12-06 04:09:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2024-12-06 04:09:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:09:08,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2024-12-06 04:09:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2024-12-06 04:09:08,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:09:08,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:09:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2024-12-06 04:09:08,987 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2024-12-06 04:09:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:09:08,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 99 states and 125 transitions. [2024-12-06 04:09:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2024-12-06 04:09:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:09:09,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:09,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:09,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 101 states and 129 transitions. [2024-12-06 04:09:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2024-12-06 04:09:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:09:09,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:09,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 107 states and 141 transitions. [2024-12-06 04:09:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 141 transitions. [2024-12-06 04:09:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:09:09,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:09,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 109 states and 143 transitions. [2024-12-06 04:09:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2024-12-06 04:09:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:09:09,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:09,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 115 states and 153 transitions. [2024-12-06 04:09:10,207 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2024-12-06 04:09:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:09:10,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:10,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 119 states and 160 transitions. [2024-12-06 04:09:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2024-12-06 04:09:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:09:10,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:10,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 158 transitions. [2024-12-06 04:09:10,528 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 158 transitions. [2024-12-06 04:09:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:09:10,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:10,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 120 states and 159 transitions. [2024-12-06 04:09:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2024-12-06 04:09:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:09:10,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:10,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:10,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 119 states and 158 transitions. [2024-12-06 04:09:10,620 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2024-12-06 04:09:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:09:10,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:10,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:10,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:10,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 119 states and 157 transitions. [2024-12-06 04:09:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 157 transitions. [2024-12-06 04:09:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:09:10,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:10,682 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:09:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:10,723 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:09:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:10,746 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2024-12-06 04:09:10,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:09:10 ImpRootNode [2024-12-06 04:09:10,770 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:09:10,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:09:10,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:09:10,771 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:09:10,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:08" (3/4) ... [2024-12-06 04:09:10,774 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:09:10,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:09:10,775 INFO L158 Benchmark]: Toolchain (without parser) took 3408.20ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 41.6MB in the end (delta: 75.6MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2024-12-06 04:09:10,776 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:09:10,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.54ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 103.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:09:10,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.63ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:09:10,776 INFO L158 Benchmark]: Boogie Preprocessor took 19.50ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:09:10,777 INFO L158 Benchmark]: RCFGBuilder took 559.54ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 59.7MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:09:10,777 INFO L158 Benchmark]: CodeCheck took 2577.88ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 41.6MB in the end (delta: 18.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-06 04:09:10,777 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:09:10,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1289 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 784 mSDsluCounter, 923 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 584 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2105 IncrementalHoareTripleChecker+Invalid, 2664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 339 mSDtfsCounter, 2105 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1989 GetRequests, 1904 SyntacticMatches, 25 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1215 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; VAL [ea=0, eb=0] [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.54ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 103.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.63ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 102.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.50ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.54ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 59.7MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 2577.88ms. Allocated memory is still 142.6MB. Free memory was 59.7MB in the beginning and 41.6MB in the end (delta: 18.0MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory was 41.6MB in the beginning and 41.6MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 04:09:10,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/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_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:09:12,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:09:12,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 04:09:12,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:09:12,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:09:12,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:09:12,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:09:12,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:09:12,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:09:12,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:09:12,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:09:12,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:09:12,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:09:12,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:09:12,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:09:12,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:09:12,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:09:12,823 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:09:12,823 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:09:12,823 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:09:12,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:12,824 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:09:12,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:09:12,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:09:12,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:09:12,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:09:12,825 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:09:12,825 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:09:12,825 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:12,825 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:09:12,825 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_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2024-12-06 04:09:13,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:09:13,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:09:13,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:09:13,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:09:13,074 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:09:13,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2024-12-06 04:09:15,752 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/edd14abbe/cf8d0f5c781d4de9a288bf1dd3484976/FLAGba5e0d7bd [2024-12-06 04:09:15,931 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:09:15,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2024-12-06 04:09:15,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/edd14abbe/cf8d0f5c781d4de9a288bf1dd3484976/FLAGba5e0d7bd [2024-12-06 04:09:16,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/data/edd14abbe/cf8d0f5c781d4de9a288bf1dd3484976 [2024-12-06 04:09:16,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:09:16,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:09:16,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:09:16,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:09:16,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:09:16,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4807ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16, skipping insertion in model container [2024-12-06 04:09:16,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:09:16,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:09:16,483 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:09:16,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:09:16,520 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:09:16,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16 WrapperNode [2024-12-06 04:09:16,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:09:16,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:09:16,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:09:16,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:09:16,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,543 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2024-12-06 04:09:16,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:09:16,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:09:16,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:09:16,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:09:16,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,564 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:09:16,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:09:16,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:09:16,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:09:16,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:16,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:09:16,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:09:16,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:09:16,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:09:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:09:16,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:09:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 04:09:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 04:09:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:09:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:09:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-12-06 04:09:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-12-06 04:09:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:09:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:09:16,680 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:09:16,682 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:09:16,946 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2024-12-06 04:09:16,946 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:09:16,998 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:09:16,998 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:09:16,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:16 BoogieIcfgContainer [2024-12-06 04:09:16,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:09:17,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:09:17,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:09:17,009 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:09:17,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:16" (1/1) ... [2024-12-06 04:09:17,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:09:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-12-06 04:09:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-12-06 04:09:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:09:17,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:17,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:17,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:17,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:17,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:09:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:09:17,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:17,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:09:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2024-12-06 04:09:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2024-12-06 04:09:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:09:17,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:17,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:17,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:17,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:17,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:09:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:09:17,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:17,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:17,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:09:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2024-12-06 04:09:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-12-06 04:09:17,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:09:17,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:17,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:17,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:17,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:17,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:09:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:09:17,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:17,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:09:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2024-12-06 04:09:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-12-06 04:09:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:09:17,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:17,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:17,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:17,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:17,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:09:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:09:17,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:17,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:09:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2024-12-06 04:09:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2024-12-06 04:09:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:09:17,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:17,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:17,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:17,561 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:17,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:09:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:09:17,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:17,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:09:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 96 transitions. [2024-12-06 04:09:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2024-12-06 04:09:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:09:17,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:17,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:17,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:17,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:17,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:09:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:17,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 04:09:17,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:17,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:09:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2024-12-06 04:09:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2024-12-06 04:09:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:09:18,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:18,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:18,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:18,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:09:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:18,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:18,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:09:18,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:18,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:09:18,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2024-12-06 04:09:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2024-12-06 04:09:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:09:18,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:18,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:18,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:18,364 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:18,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:09:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:18,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:18,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 04:09:18,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:09:18,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:09:18,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 103 transitions. [2024-12-06 04:09:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2024-12-06 04:09:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 04:09:18,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:18,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:18,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:18,512 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:18,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:09:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:18,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:09:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:18,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 04:09:18,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:09:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:09:18,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:09:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2024-12-06 04:09:18,677 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2024-12-06 04:09:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:09:18,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:18,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:09:18,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:09:18,679 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:09:18,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:09:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:18,728 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:09:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:18,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:09:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:09:18,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 04:09:18,818 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-12-06 04:09:18,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:09:18 ImpRootNode [2024-12-06 04:09:18,841 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:09:18,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:09:18,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:09:18,841 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:09:18,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:16" (3/4) ... [2024-12-06 04:09:18,843 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:09:18,880 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 04:09:18,923 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:09:18,923 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:09:18,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:09:18,924 INFO L158 Benchmark]: Toolchain (without parser) took 2620.57ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 50.1MB in the end (delta: 20.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-12-06 04:09:18,924 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:09:18,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.36ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:09:18,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.71ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:09:18,925 INFO L158 Benchmark]: Boogie Preprocessor took 21.96ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 53.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:09:18,925 INFO L158 Benchmark]: RCFGBuilder took 432.61ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 61.4MB in the end (delta: -7.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-12-06 04:09:18,926 INFO L158 Benchmark]: CodeCheck took 1840.88ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 55.2MB in the end (delta: 6.2MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2024-12-06 04:09:18,926 INFO L158 Benchmark]: Witness Printer took 82.12ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 50.1MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:09:18,927 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 82 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, 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, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 229 SdHoareTripleChecker+Invalid, 0.5s 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, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.36ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.1MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.71ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.96ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 53.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.61ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 61.4MB in the end (delta: -7.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * CodeCheck took 1840.88ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 55.2MB in the end (delta: 6.2MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 82.12ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 50.1MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:09:18,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d421fea5-9410-4920-9063-07511ac1bb2e/bin/ukojak-verify-CZk0znPC7b/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)