./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/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_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/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_eff325b1-7406-41b1-b642-6d3cbc9b6873/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 da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:52:41,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:52:41,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:52:41,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:52:41,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:52:41,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:52:41,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:52:41,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:52:41,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:52:41,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:52:41,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:52:41,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:52:41,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:52:41,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:52:41,512 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:52:41,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:52:41,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:52:41,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:52:41,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:52:41,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:52:41,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:41,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:52:41,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:52:41,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:52:41,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:52:41,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:52:41,513 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_eff325b1-7406-41b1-b642-6d3cbc9b6873/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 -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2024-12-06 05:52:41,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:52:41,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:52:41,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:52:41,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:52:41,760 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:52:41,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-12-06 05:52:44,503 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/ba020e1bf/f216040ea8cd44fbab8efbf1484114d5/FLAG8e0eb9225 [2024-12-06 05:52:44,717 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:52:44,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-12-06 05:52:44,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/ba020e1bf/f216040ea8cd44fbab8efbf1484114d5/FLAG8e0eb9225 [2024-12-06 05:52:45,078 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/ba020e1bf/f216040ea8cd44fbab8efbf1484114d5 [2024-12-06 05:52:45,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:52:45,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:52:45,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:45,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:52:45,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:52:45,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcd1b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45, skipping insertion in model container [2024-12-06 05:52:45,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:52:45,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:45,250 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:52:45,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:45,295 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:52:45,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45 WrapperNode [2024-12-06 05:52:45,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:45,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:45,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:52:45,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:52:45,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,323 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2024-12-06 05:52:45,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:45,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:52:45,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:52:45,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:52:45,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,330 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,330 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,334 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:52:45,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:52:45,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:52:45,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:52:45,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:52:45,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:52:45,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:52:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:52:45,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:52:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 05:52:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 05:52:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:52:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:52:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-12-06 05:52:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-12-06 05:52:45,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:52:45,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:52:45,457 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:52:45,458 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:52:45,803 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-06 05:52:45,803 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:52:45,947 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:52:45,947 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:52:45,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:45 BoogieIcfgContainer [2024-12-06 05:52:45,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:52:45,948 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:52:45,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:52:45,958 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:52:45,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:45" (1/1) ... [2024-12-06 05:52:45,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:52:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-12-06 05:52:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-12-06 05:52:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:52:46,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,201 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 05:52:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2024-12-06 05:52:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2024-12-06 05:52:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:52:46,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,323 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 05:52:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2024-12-06 05:52:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2024-12-06 05:52:46,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:52:46,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,406 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 05:52:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 90 states and 112 transitions. [2024-12-06 05:52:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 112 transitions. [2024-12-06 05:52:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:52:46,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,461 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 05:52:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 91 states and 113 transitions. [2024-12-06 05:52:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 113 transitions. [2024-12-06 05:52:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:52:46,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,512 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 05:52:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 92 states and 114 transitions. [2024-12-06 05:52:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2024-12-06 05:52:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:52:46,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,566 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 05:52:46,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 93 states and 115 transitions. [2024-12-06 05:52:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 115 transitions. [2024-12-06 05:52:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:52:46,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,615 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 05:52:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-12-06 05:52:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-12-06 05:52:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:52:46,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,663 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 05:52:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 95 states and 117 transitions. [2024-12-06 05:52:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2024-12-06 05:52:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:52:46,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,702 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 05:52:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-12-06 05:52:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-12-06 05:52:46,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:52:46,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,796 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 05:52:46,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 97 states and 122 transitions. [2024-12-06 05:52:46,851 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2024-12-06 05:52:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:52:46,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:52:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-12-06 05:52:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-12-06 05:52:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:52:46,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:46,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:47,012 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 05:52:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 132 transitions. [2024-12-06 05:52:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2024-12-06 05:52:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:52:47,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:47,264 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 05:52:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 144 transitions. [2024-12-06 05:52:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 144 transitions. [2024-12-06 05:52:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:52:47,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:47,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:47,585 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 05:52:47,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 110 states and 146 transitions. [2024-12-06 05:52:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 146 transitions. [2024-12-06 05:52:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:52:47,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:47,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:47,715 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 05:52:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 116 states and 156 transitions. [2024-12-06 05:52:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 156 transitions. [2024-12-06 05:52:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:52:48,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,125 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 05:52:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 120 states and 163 transitions. [2024-12-06 05:52:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2024-12-06 05:52:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:52:48,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,326 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 05:52:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 121 states and 164 transitions. [2024-12-06 05:52:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2024-12-06 05:52:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:52:48,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,450 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 05:52:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 119 states and 161 transitions. [2024-12-06 05:52:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2024-12-06 05:52:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:52:48,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,544 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 05:52:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 162 transitions. [2024-12-06 05:52:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 162 transitions. [2024-12-06 05:52:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:52:48,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,599 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 05:52:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 120 states and 161 transitions. [2024-12-06 05:52:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2024-12-06 05:52:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:52:48,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,636 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 05:52:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 120 states and 160 transitions. [2024-12-06 05:52:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2024-12-06 05:52:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:52:48,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:52:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 123 states and 165 transitions. [2024-12-06 05:52:48,942 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 165 transitions. [2024-12-06 05:52:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:52:48,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:52:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:48,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 125 states and 167 transitions. [2024-12-06 05:52:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 167 transitions. [2024-12-06 05:52:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:52:48,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:48,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:52:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:48,997 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:52:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:49,036 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:52:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:49,059 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2024-12-06 05:52:49,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:52:49 ImpRootNode [2024-12-06 05:52:49,084 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:52:49,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:52:49,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:52:49,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:52:49,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:45" (3/4) ... [2024-12-06 05:52:49,088 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:52:49,089 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:52:49,089 INFO L158 Benchmark]: Toolchain (without parser) took 4008.79ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 54.6MB in the end (delta: 61.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-12-06 05:52:49,090 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:49,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.42ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 102.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:52:49,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.67ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:49,090 INFO L158 Benchmark]: Boogie Preprocessor took 21.53ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:49,091 INFO L158 Benchmark]: RCFGBuilder took 601.92ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 56.2MB in the end (delta: 43.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 05:52:49,091 INFO L158 Benchmark]: CodeCheck took 3136.17ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 54.6MB in the end (delta: 1.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-12-06 05:52:49,092 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 54.6MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:49,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 80 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1838 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1169 mSDsluCounter, 1342 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 910 mSDsCounter, 800 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3059 IncrementalHoareTripleChecker+Invalid, 3859 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 800 mSolverCounterUnsat, 432 mSDtfsCounter, 3059 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2576 GetRequests, 2471 SyntacticMatches, 29 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2225 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 307 NumberOfCodeBlocks, 307 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 22 PerfectInterpolantSequences, 28/31 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 81]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 80. Possible FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; VAL [ea=0, eb=0] [L245] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L245] zero = base2flt(0, 0) [L246] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] EXPR m & ~ (1U << 24U) [L80] m = m & ~ (1U << 24U) [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.42ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 102.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.67ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.53ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.92ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 56.2MB in the end (delta: 43.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 3136.17ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 54.6MB in the end (delta: 1.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 54.6MB 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 05:52:49,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/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_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/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_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/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_eff325b1-7406-41b1-b642-6d3cbc9b6873/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 da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:52:51,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:52:51,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 05:52:51,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:52:51,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:52:51,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:52:51,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:52:51,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:52:51,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:52:51,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:52:51,100 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:52:51,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:52:51,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:52:51,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:52:51,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:52:51,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:52:51,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:52:51,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:52:51,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:52:51,102 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:51,102 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:52:51,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:52:51,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:51,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:52:51,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:52:51,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:52:51,103 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:52:51,103 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:51,103 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:52:51,103 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_eff325b1-7406-41b1-b642-6d3cbc9b6873/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 -> da84b0bfdfce2fad5f551c5bc14b33ff3764ad6f4b0c00bd09707e2922ecd646 [2024-12-06 05:52:51,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:52:51,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:52:51,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:52:51,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:52:51,322 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:52:51,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-12-06 05:52:53,950 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/b9ff96132/b1d62e163ab1466bbd0520ce838b2aad/FLAGac13a71ba [2024-12-06 05:52:54,154 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:52:54,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/sv-benchmarks/c/bitvector/soft_float_4-2.c.cil.c [2024-12-06 05:52:54,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/b9ff96132/b1d62e163ab1466bbd0520ce838b2aad/FLAGac13a71ba [2024-12-06 05:52:54,520 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/data/b9ff96132/b1d62e163ab1466bbd0520ce838b2aad [2024-12-06 05:52:54,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:52:54,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:52:54,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:54,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:52:54,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:52:54,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58241cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54, skipping insertion in model container [2024-12-06 05:52:54,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:52:54,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:54,680 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:52:54,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:52:54,720 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:52:54,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54 WrapperNode [2024-12-06 05:52:54,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:52:54,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:54,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:52:54,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:52:54,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,754 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2024-12-06 05:52:54,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:52:54,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:52:54,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:52:54,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:52:54,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:52:54,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:52:54,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:52:54,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:52:54,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:52:54" (1/1) ... [2024-12-06 05:52:54,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:52:54,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:52:54,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:52:54,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:52:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:52:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:52:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 05:52:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 05:52:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:52:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:52:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-12-06 05:52:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-12-06 05:52:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:52:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:52:54,909 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:52:54,910 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:52:55,192 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-12-06 05:52:55,192 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:52:55,248 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:52:55,248 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:52:55,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:55 BoogieIcfgContainer [2024-12-06 05:52:55,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:52:55,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:52:55,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:52:55,256 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:52:55,256 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:55" (1/1) ... [2024-12-06 05:52:55,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:52:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-12-06 05:52:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-12-06 05:52:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:52:55,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:55,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:55,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:55,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:52:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:52:55,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:55,439 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 05:52:55,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:52:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 82 states and 97 transitions. [2024-12-06 05:52:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2024-12-06 05:52:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:52:55,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:55,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:55,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:55,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:55,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:52:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:52:55,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:55,584 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 05:52:55,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:52:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2024-12-06 05:52:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2024-12-06 05:52:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:52:55,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:55,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:55,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:55,620 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:55,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:52:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:52:55,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:55,688 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 05:52:55,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 05:52:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2024-12-06 05:52:55,699 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2024-12-06 05:52:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:52:55,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:55,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:55,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:55,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:55,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:52:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:52:55,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:55,766 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 05:52:55,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:52:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2024-12-06 05:52:55,775 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2024-12-06 05:52:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:52:55,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:55,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:55,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:55,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:55,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:52:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:52:55,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:55,843 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 05:52:55,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:52:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 78 states and 93 transitions. [2024-12-06 05:52:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 93 transitions. [2024-12-06 05:52:55,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:52:55,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:55,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:55,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:55,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:55,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:52:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:55,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:52:55,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:56,018 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 05:52:56,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 05:52:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2024-12-06 05:52:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2024-12-06 05:52:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:52:56,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:56,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:56,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:56,403 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:56,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:52:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:56,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:56,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:52:56,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:56,506 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 05:52:56,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 05:52:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2024-12-06 05:52:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2024-12-06 05:52:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:52:56,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:56,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:56,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:56,568 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:56,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:52:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:56,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:56,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:52:56,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:56,708 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 05:52:56,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:52:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2024-12-06 05:52:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2024-12-06 05:52:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:52:56,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:56,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:56,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:56,733 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:52:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:56,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:52:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:52:56,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:52:56,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:52:56,850 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 05:52:56,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 05:52:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:52:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2024-12-06 05:52:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2024-12-06 05:52:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:52:56,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:52:56,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:52:56,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:52:56,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:52:56,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:52:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:56,950 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:52:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:57,004 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:52:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:52:57,031 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-12-06 05:52:57,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:52:57,031 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-12-06 05:52:57,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:52:57 ImpRootNode [2024-12-06 05:52:57,054 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:52:57,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:52:57,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:52:57,054 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:52:57,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:52:55" (3/4) ... [2024-12-06 05:52:57,056 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 05:52:57,093 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 05:52:57,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 05:52:57,138 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 05:52:57,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:52:57,139 INFO L158 Benchmark]: Toolchain (without parser) took 2616.03ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 47.9MB in the end (delta: 22.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-12-06 05:52:57,139 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:57,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.94ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 55.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:52:57,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.08ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:57,140 INFO L158 Benchmark]: Boogie Preprocessor took 27.80ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:52:57,140 INFO L158 Benchmark]: RCFGBuilder took 465.16ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 59.6MB in the end (delta: -6.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-12-06 05:52:57,140 INFO L158 Benchmark]: CodeCheck took 1804.20ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 52.8MB in the end (delta: 6.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2024-12-06 05:52:57,140 INFO L158 Benchmark]: Witness Printer took 83.70ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 47.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:52:57,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 80 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 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: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L230] unsigned int a ; [L231] unsigned int ma = __VERIFIER_nondet_uint(); [L232] signed char ea = __VERIFIER_nondet_char(); [L233] unsigned int b ; [L234] unsigned int mb = __VERIFIER_nondet_uint(); [L235] signed char eb = __VERIFIER_nondet_char(); [L236] unsigned int r_add1 ; [L237] unsigned int r_add2 ; [L238] unsigned int zero ; [L239] int tmp ; [L240] int tmp___0 ; [L241] int __retres14 ; [L245] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L33] COND TRUE ! m [L34] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L84] return (__retres4); [L245] RET, EXPR base2flt(0, 0) [L245] zero = base2flt(0, 0) [L246] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L29] unsigned int res ; [L30] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L33] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L39] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L63] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L80] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L81] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.94ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 55.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.08ms. Allocated memory is still 92.3MB. Free memory was 55.9MB in the beginning and 54.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.80ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.16ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 59.6MB in the end (delta: -6.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * CodeCheck took 1804.20ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 52.8MB in the end (delta: 6.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 83.70ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 47.9MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 05:52:57,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eff325b1-7406-41b1-b642-6d3cbc9b6873/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)