./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:49:55,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:49:55,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:49:55,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:49:55,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:49:55,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:49:55,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:49:55,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:49:55,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:49:55,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:49:55,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:49:55,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:49:55,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:49:55,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:49:55,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:49:55,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:49:55,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:49:55,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:49:55,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:49:55,684 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:49:55,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:49:55,690 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:49:55,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:49:55,691 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:49:55,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:49:55,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:49:55,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:49:55,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:49:55,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:49:55,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:49:55,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:49:55,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:49:55,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:49:55,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:49:55,694 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:49:55,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-12-03 03:49:55,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:49:55,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:49:55,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:49:55,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:49:55,944 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:49:55,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-12-03 03:49:58,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:49:58,921 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:49:58,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-12-03 03:49:58,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data/305114b69/eb182baf25044d239f42fce7d326c738/FLAGa4552c2d6 [2023-12-03 03:49:58,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data/305114b69/eb182baf25044d239f42fce7d326c738 [2023-12-03 03:49:58,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:49:58,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:49:58,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:49:58,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:49:58,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:49:58,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:49:58" (1/1) ... [2023-12-03 03:49:58,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68954b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:58, skipping insertion in model container [2023-12-03 03:49:58,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:49:58" (1/1) ... [2023-12-03 03:49:58,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:49:59,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:49:59,183 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:49:59,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:49:59,236 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:49:59,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59 WrapperNode [2023-12-03 03:49:59,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:49:59,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:49:59,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:49:59,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:49:59,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,268 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-12-03 03:49:59,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:49:59,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:49:59,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:49:59,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:49:59,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,294 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:49:59,295 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:49:59,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:49:59,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:49:59,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:49:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:49:59,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:49:59,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:49:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:49:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:49:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 03:49:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 03:49:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:49:59,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:49:59,370 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-03 03:49:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-03 03:49:59,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:49:59,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:49:59,431 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:49:59,433 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:49:59,768 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:49:59,889 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:49:59,890 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:49:59,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:59 BoogieIcfgContainer [2023-12-03 03:49:59,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:49:59,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:49:59,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:49:59,903 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:49:59,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:59" (1/1) ... [2023-12-03 03:49:59,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:49:59,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-12-03 03:49:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-12-03 03:49:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:49:59,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 84 states and 99 transitions. [2023-12-03 03:50:00,140 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 99 transitions. [2023-12-03 03:50:00,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:00,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 110 transitions. [2023-12-03 03:50:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions. [2023-12-03 03:50:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:50:00,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-12-03 03:50:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-12-03 03:50:00,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:50:00,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 96 states and 119 transitions. [2023-12-03 03:50:00,446 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 119 transitions. [2023-12-03 03:50:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:50:00,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2023-12-03 03:50:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2023-12-03 03:50:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:00,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 98 states and 121 transitions. [2023-12-03 03:50:00,580 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2023-12-03 03:50:00,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:50:00,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 99 states and 122 transitions. [2023-12-03 03:50:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2023-12-03 03:50:00,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:50:00,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2023-12-03 03:50:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2023-12-03 03:50:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:00,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2023-12-03 03:50:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2023-12-03 03:50:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:50:00,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 104 states and 130 transitions. [2023-12-03 03:50:00,831 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2023-12-03 03:50:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:00,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:00,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 103 states and 129 transitions. [2023-12-03 03:50:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2023-12-03 03:50:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:00,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:00,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 133 transitions. [2023-12-03 03:50:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2023-12-03 03:50:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:50:01,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:01,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 112 states and 145 transitions. [2023-12-03 03:50:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-12-03 03:50:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:50:01,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:01,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:01,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 114 states and 148 transitions. [2023-12-03 03:50:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2023-12-03 03:50:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:50:01,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 159 transitions. [2023-12-03 03:50:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2023-12-03 03:50:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:50:02,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:02,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 120 states and 158 transitions. [2023-12-03 03:50:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 158 transitions. [2023-12-03 03:50:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:50:02,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:02,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 165 transitions. [2023-12-03 03:50:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2023-12-03 03:50:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:50:02,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:02,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 127 states and 166 transitions. [2023-12-03 03:50:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 166 transitions. [2023-12-03 03:50:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:02,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:02,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 126 states and 165 transitions. [2023-12-03 03:50:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 165 transitions. [2023-12-03 03:50:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:02,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 164 transitions. [2023-12-03 03:50:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 164 transitions. [2023-12-03 03:50:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:50:02,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:02,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:02,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:50:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:02,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:50:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:02,688 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-12-03 03:50:02,712 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated [2023-12-03 03:50:02,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:50:02 ImpRootNode [2023-12-03 03:50:02,718 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:50:02,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:50:02,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:50:02,719 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:50:02,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:59" (3/4) ... [2023-12-03 03:50:02,722 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:50:02,723 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:50:02,724 INFO L158 Benchmark]: Toolchain (without parser) took 3777.70ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 106.0MB in the beginning and 137.4MB in the end (delta: -31.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-12-03 03:50:02,724 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:50:02,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.74ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 92.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:50:02,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.63ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 91.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:50:02,726 INFO L158 Benchmark]: Boogie Preprocessor took 25.75ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:50:02,727 INFO L158 Benchmark]: RCFGBuilder took 596.69ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 92.0MB in the end (delta: -2.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-12-03 03:50:02,728 INFO L158 Benchmark]: CodeCheck took 2826.02ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 92.0MB in the beginning and 137.4MB in the end (delta: -45.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:50:02,728 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 182.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:50:02,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1673 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 892 mSDsluCounter, 1571 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 846 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1976 IncrementalHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 725 mSDtfsCounter, 1976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2183 GetRequests, 2096 SyntacticMatches, 27 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1255 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; VAL [ea=127, eb=127] [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) VAL [ea=127, eb=127] [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=127, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=127, \old(m)=16777216, e=127, m=16777216] [L76] EXPR m & ~ (1U << 24U) [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=127, \old(m)=16777216, e=127, m=0] [L77] (e + 128) << 24U VAL [\old(e)=127, \old(m)=16777216, e=127, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.74ms. Allocated memory is still 151.0MB. Free memory was 106.0MB in the beginning and 92.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.63ms. Allocated memory is still 151.0MB. Free memory was 92.7MB in the beginning and 91.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.75ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 89.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.69ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 92.0MB in the end (delta: -2.4MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * CodeCheck took 2826.02ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 92.0MB in the beginning and 137.4MB in the end (delta: -45.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 182.5MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:50:02,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:50:04,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:50:04,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 03:50:04,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:50:04,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:50:04,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:50:04,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:50:04,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:50:04,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:50:04,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:50:04,721 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:50:04,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:50:04,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:50:04,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:50:04,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:50:04,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:50:04,724 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:50:04,724 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:50:04,725 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:50:04,725 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:50:04,726 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:50:04,727 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:50:04,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:50:04,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:50:04,728 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:50:04,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:50:04,729 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:50:04,730 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:04,730 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:50:04,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:50:04,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:04,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:50:04,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:50:04,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:50:04,732 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:50:04,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:04,733 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:50:04,733 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:50:04,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:50:04,733 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd1e20a7a2bac41d4f53b8467ce4dcd444e356387bd290a75ef99d78cf8ebeb3 [2023-12-03 03:50:05,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:50:05,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:50:05,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:50:05,044 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:50:05,044 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:50:05,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-12-03 03:50:07,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:50:08,015 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:50:08,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/sv-benchmarks/c/bitvector/soft_float_4-3.c.cil.c [2023-12-03 03:50:08,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data/7f0717e9b/e77aa1efd18a4367837b4a827398c397/FLAG8e0fd55f3 [2023-12-03 03:50:08,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/data/7f0717e9b/e77aa1efd18a4367837b4a827398c397 [2023-12-03 03:50:08,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:50:08,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:50:08,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:08,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:50:08,046 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:50:08,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e59b88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08, skipping insertion in model container [2023-12-03 03:50:08,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:50:08,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:08,268 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:50:08,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:08,323 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:50:08,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08 WrapperNode [2023-12-03 03:50:08,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:08,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:08,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:50:08,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:50:08,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,359 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-12-03 03:50:08,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:08,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:50:08,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:50:08,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:50:08,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:50:08,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:50:08,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:50:08,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:50:08,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:08,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:50:08,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:50:08,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:50:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:50:08,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:50:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-12-03 03:50:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-12-03 03:50:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:50:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:50:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-12-03 03:50:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-12-03 03:50:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:50:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:50:08,537 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:50:08,539 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:50:08,850 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:50:08,914 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:50:08,915 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:50:08,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:08 BoogieIcfgContainer [2023-12-03 03:50:08,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:50:08,918 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:50:08,918 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:50:08,928 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:50:08,928 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:08" (1/1) ... [2023-12-03 03:50:08,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:50:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:08,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2023-12-03 03:50:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2023-12-03 03:50:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:09,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:09,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:09,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:09,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:09,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:50:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:09,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:09,123 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:50:09,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:50:09,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-12-03 03:50:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-12-03 03:50:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:50:09,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:09,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:09,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:09,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:09,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:50:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:09,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:09,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:50:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2023-12-03 03:50:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2023-12-03 03:50:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 03:50:09,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:09,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:09,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:09,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:09,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:50:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:09,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:09,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:50:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 84 states and 100 transitions. [2023-12-03 03:50:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2023-12-03 03:50:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:50:09,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:09,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:09,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:09,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:09,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:50:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:09,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:09,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:50:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 83 states and 99 transitions. [2023-12-03 03:50:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2023-12-03 03:50:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:50:09,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:09,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:09,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:09,587 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:09,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:50:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:50:09,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:09,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 03:50:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:09,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2023-12-03 03:50:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2023-12-03 03:50:09,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:50:09,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:09,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:09,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:09,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:50:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:09,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:09,802 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:50:09,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:50:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2023-12-03 03:50:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2023-12-03 03:50:09,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:50:09,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:09,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:09,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:09,839 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:09,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:50:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:09,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:50:09,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:10,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:50:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-12-03 03:50:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-12-03 03:50:10,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:50:10,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:10,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:10,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:10,510 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:10,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:50:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:50:10,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:50:10,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:50:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2023-12-03 03:50:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-12-03 03:50:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:50:10,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:10,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:10,701 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:10,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:50:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:10,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:50:10,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:50:10,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:50:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 105 transitions. [2023-12-03 03:50:10,875 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 105 transitions. [2023-12-03 03:50:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:50:10,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:10,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:10,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:10,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:10,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:50:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:10,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:50:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:11,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:50:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:50:11,021 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2023-12-03 03:50:11,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:50:11,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-12-03 03:50:11,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:50:11 ImpRootNode [2023-12-03 03:50:11,050 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:50:11,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:50:11,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:50:11,050 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:50:11,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:08" (3/4) ... [2023-12-03 03:50:11,052 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-03 03:50:11,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-12-03 03:50:11,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:50:11,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:50:11,098 INFO L158 Benchmark]: Toolchain (without parser) took 3057.23ms. Allocated memory is still 111.1MB. Free memory was 86.9MB in the beginning and 75.8MB in the end (delta: 11.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-12-03 03:50:11,099 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:50:11,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.12ms. Allocated memory is still 111.1MB. Free memory was 86.9MB in the beginning and 73.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:50:11,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.89ms. Allocated memory is still 111.1MB. Free memory was 73.0MB in the beginning and 71.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:50:11,100 INFO L158 Benchmark]: Boogie Preprocessor took 36.63ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:50:11,101 INFO L158 Benchmark]: RCFGBuilder took 519.11ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 83.0MB in the end (delta: -13.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-12-03 03:50:11,101 INFO L158 Benchmark]: CodeCheck took 2131.93ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 78.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-12-03 03:50:11,102 INFO L158 Benchmark]: Witness Printer took 47.69ms. Allocated memory is still 111.1MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:50:11,104 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 84 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 239 IncrementalHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 277 mSDtfsCounter, 239 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1002 GetRequests, 978 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 146 NumberOfCodeBlocks, 146 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 203 SizeOfPredicates, 3 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add1 ; [L233] unsigned int r_add2 ; [L234] unsigned int zero ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int __retres14 ; [L241] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0, m=0] [L80] return (__retres4); [L241] RET, EXPR base2flt(0, 0) [L241] zero = base2flt(0, 0) [L242] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.12ms. Allocated memory is still 111.1MB. Free memory was 86.9MB in the beginning and 73.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.89ms. Allocated memory is still 111.1MB. Free memory was 73.0MB in the beginning and 71.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.63ms. Allocated memory is still 111.1MB. Free memory was 71.3MB in the beginning and 69.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 519.11ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 83.0MB in the end (delta: -13.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * CodeCheck took 2131.93ms. Allocated memory is still 111.1MB. Free memory was 83.0MB in the beginning and 78.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 47.69ms. Allocated memory is still 111.1MB. Free memory was 78.3MB in the beginning and 75.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-03 03:50:11,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d535df6d-cbde-4ac8-ba08-082fb1b0519a/bin/ukojak-verify-Qdu7aM0XO9/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)