./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/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_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:17:07,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:17:07,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:17:07,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:17:07,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:17:07,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:17:07,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:17:07,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:17:07,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:17:07,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:17:07,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:17:07,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:17:07,162 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:17:07,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:17:07,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:17:07,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:17:07,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:17:07,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:17:07,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:17:07,166 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:17:07,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:17:07,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:17:07,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:17:07,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:17:07,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:17:07,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:17:07,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:07,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:17:07,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:17:07,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:17:07,172 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:17:07,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:17:07,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:17:07,173 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_3a69955c-ff77-499c-b4ca-6b2fab73cb64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac [2023-12-03 02:17:07,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:17:07,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:17:07,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:17:07,446 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:17:07,446 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:17:07,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-12-03 02:17:10,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:17:10,639 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:17:10,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2023-12-03 02:17:10,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/data/3a26438c4/bfe2ca98c6904c568d5b206718018370/FLAG071afc57f [2023-12-03 02:17:10,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/data/3a26438c4/bfe2ca98c6904c568d5b206718018370 [2023-12-03 02:17:10,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:17:10,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:17:10,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:10,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:17:10,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:17:10,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de4afe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10, skipping insertion in model container [2023-12-03 02:17:10,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:17:10,830 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c[520,533] [2023-12-03 02:17:10,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:10,856 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:17:10,869 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c[520,533] [2023-12-03 02:17:10,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:17:10,889 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:17:10,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10 WrapperNode [2023-12-03 02:17:10,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:17:10,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:10,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:17:10,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:17:10,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,923 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-12-03 02:17:10,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:17:10,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:17:10,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:17:10,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:17:10,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:17:10,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:17:10,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:17:10,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:17:10,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:17:10" (1/1) ... [2023-12-03 02:17:10,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:17:10,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:17:10,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:17:10,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:17:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:17:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:17:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:17:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:17:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:17:11,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:17:11,088 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:17:11,091 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:17:11,211 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:17:11,234 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:17:11,234 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:17:11,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:17:11 BoogieIcfgContainer [2023-12-03 02:17:11,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:17:11,237 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:17:11,237 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:17:11,246 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:17:11,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:17:11" (1/1) ... [2023-12-03 02:17:11,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:17:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-12-03 02:17:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-12-03 02:17:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:17:11,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:11,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:11,461 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 02:17:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-12-03 02:17:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-03 02:17:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:17:11,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:11,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:11,613 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 02:17:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-12-03 02:17:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-12-03 02:17:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:17:11,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:11,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:11,856 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 02:17:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-12-03 02:17:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-12-03 02:17:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:17:12,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:12,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:12,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:17:12,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:17:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-12-03 02:17:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-03 02:17:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:17:13,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:13,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:13,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:17:13,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:17:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 49 transitions. [2023-12-03 02:17:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-12-03 02:17:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:17:13,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:13,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:13,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:13,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:17:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-12-03 02:17:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-12-03 02:17:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:17:13,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:13,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:13,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:17:13,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:17:14,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:14,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 61 transitions. [2023-12-03 02:17:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-12-03 02:17:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:17:14,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:14,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:14,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:14,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:17:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 66 transitions. [2023-12-03 02:17:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-12-03 02:17:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:17:14,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:14,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:14,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:17:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 46 states and 96 transitions. [2023-12-03 02:17:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 96 transitions. [2023-12-03 02:17:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:17:15,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:15,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:17:15,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:17:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 95 transitions. [2023-12-03 02:17:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 95 transitions. [2023-12-03 02:17:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:17:16,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:16,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:16,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:17:16,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:16,538 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:17:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:16,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 26 states and 36 transitions. [2023-12-03 02:17:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-12-03 02:17:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:17:16,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:16,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:17:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:16,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:16,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:17:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 22 states and 32 transitions. [2023-12-03 02:17:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 02:17:18,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:17:18,295 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 02:17:18,305 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:17:18,485 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:17:18,490 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 02:17:18,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:17:18 ImpRootNode [2023-12-03 02:17:18,494 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:17:18,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:17:18,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:17:18,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:17:18,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:17:11" (3/4) ... [2023-12-03 02:17:18,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:17:18,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 02:17:18,505 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-03 02:17:18,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 02:17:18,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:17:18,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:17:18,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:17:18,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:17:18,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:17:18,611 INFO L158 Benchmark]: Toolchain (without parser) took 7948.36ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 108.4MB in the beginning and 81.3MB in the end (delta: 27.0MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2023-12-03 02:17:18,612 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 114.8MB in the end (delta: 128.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:18,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.62ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 97.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:17:18,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.86ms. Allocated memory is still 148.9MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:17:18,613 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 95.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:17:18,614 INFO L158 Benchmark]: RCFGBuilder took 292.56ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 84.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:17:18,615 INFO L158 Benchmark]: CodeCheck took 7256.70ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 84.2MB in the beginning and 85.4MB in the end (delta: -1.2MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2023-12-03 02:17:18,615 INFO L158 Benchmark]: Witness Printer took 116.37ms. Allocated memory is still 195.0MB. Free memory was 85.4MB in the beginning and 81.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:17:18,618 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 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 481 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 572 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1837 IncrementalHoareTripleChecker+Invalid, 2409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 572 mSolverCounterUnsat, 270 mSDtfsCounter, 1837 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2135 GetRequests, 1961 SyntacticMatches, 58 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5150 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 728 SizeOfPredicates, 18 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 194/236 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 - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(((3 == t) && (a == 1))) || (s == 4)) || (counter == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 114.8MB in the end (delta: 128.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.62ms. Allocated memory is still 148.9MB. Free memory was 108.4MB in the beginning and 97.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.86ms. Allocated memory is still 148.9MB. Free memory was 97.5MB in the beginning and 96.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 95.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 292.56ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 84.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 7256.70ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 84.2MB in the beginning and 85.4MB in the end (delta: -1.2MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 116.37ms. Allocated memory is still 195.0MB. Free memory was 85.4MB in the beginning and 81.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:17:18,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a69955c-ff77-499c-b4ca-6b2fab73cb64/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 Writing output log to file Ultimate.log Result: TRUE