./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.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_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/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_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/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_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/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 0a70f1205afb9cca148fa8c17f899d7361834a55786fb03fe89056a7c6fb47c5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:49:05,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:49:05,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:49:05,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:49:05,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:49:05,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:49:05,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:49:05,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:49:05,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:49:05,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:49:05,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:49:05,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:49:05,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:49:05,380 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:49:05,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:49:05,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:49:05,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:49:05,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:49:05,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:49:05,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:49:05,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:49:05,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:49:05,385 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:49:05,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:49:05,385 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:49:05,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:49:05,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:49:05,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:49:05,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:49:05,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:49:05,388 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:49:05,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:49:05,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:49:05,389 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_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a70f1205afb9cca148fa8c17f899d7361834a55786fb03fe89056a7c6fb47c5 [2023-12-02 23:49:05,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:49:05,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:49:05,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:49:05,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:49:05,610 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:49:05,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c [2023-12-02 23:49:08,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:49:08,503 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:49:08,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c [2023-12-02 23:49:08,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/data/2c18f4313/5e286c9fbc7d4a35a6380705b112f9d2/FLAG6e896e18c [2023-12-02 23:49:08,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/data/2c18f4313/5e286c9fbc7d4a35a6380705b112f9d2 [2023-12-02 23:49:08,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:49:08,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:49:08,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:49:08,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:49:08,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:49:08,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12eff28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08, skipping insertion in model container [2023-12-02 23:49:08,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:49:08,664 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_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c[520,533] [2023-12-02 23:49:08,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:49:08,687 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:49:08,696 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_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound1.c[520,533] [2023-12-02 23:49:08,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:49:08,715 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:49:08,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08 WrapperNode [2023-12-02 23:49:08,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:49:08,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:49:08,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:49:08,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:49:08,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,742 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-12-02 23:49:08,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:49:08,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:49:08,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:49:08,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:49:08,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:49:08,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:49:08,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:49:08,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:49:08,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:49:08" (1/1) ... [2023-12-02 23:49:08,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:49:08,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:49:08,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:49:08,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:49:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:49:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:49:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:49:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:49:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:49:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:49:08,898 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:49:08,900 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:49:09,010 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:49:09,053 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:49:09,053 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:49:09,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:49:09 BoogieIcfgContainer [2023-12-02 23:49:09,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:49:09,056 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:49:09,056 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:49:09,065 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:49:09,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:49:09" (1/1) ... [2023-12-02 23:49:09,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:49:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-02 23:49:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-02 23:49:09,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:49:09,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:09,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:09,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:09,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-12-02 23:49:09,488 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-12-02 23:49:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:49:09,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:09,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:09,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:49:09,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:49:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-12-02 23:49:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-12-02 23:49:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:49:09,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:09,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:49:10,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:49:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2023-12-02 23:49:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-12-02 23:49:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:49:10,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:10,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:10,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:10,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:10,267 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:49:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2023-12-02 23:49:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2023-12-02 23:49:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:49:10,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:10,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:10,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 23:49:10,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:49:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2023-12-02 23:49:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-12-02 23:49:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:49:10,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:10,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:10,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:10,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 23:49:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-12-02 23:49:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-12-02 23:49:11,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 23:49:11,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:11,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:11,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 23:49:11,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 23:49:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2023-12-02 23:49:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-12-02 23:49:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:49:11,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:11,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:11,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:11,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 23:49:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2023-12-02 23:49:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-12-02 23:49:12,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 23:49:12,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:12,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:12,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 23:49:12,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 23:49:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2023-12-02 23:49:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2023-12-02 23:49:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:49:12,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:12,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:12,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:12,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 23:49:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2023-12-02 23:49:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-12-02 23:49:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 23:49:12,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:12,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:12,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 23:49:12,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 23:49:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 26 states and 35 transitions. [2023-12-02 23:49:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-12-02 23:49:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:49:13,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:13,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:49:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:13,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:13,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-02 23:49:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 20 states and 28 transitions. [2023-12-02 23:49:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-12-02 23:49:13,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:49:13,663 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-02 23:49:13,672 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:49:13,900 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-12-02 23:49:13,906 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:49:13,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:49:13 ImpRootNode [2023-12-02 23:49:13,907 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:49:13,908 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:49:13,908 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:49:13,908 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:49:13,909 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:49:09" (3/4) ... [2023-12-02 23:49:13,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:49:13,913 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 23:49:13,916 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 23:49:13,916 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 23:49:13,916 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:49:13,916 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:49:14,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:49:14,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:49:14,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:49:14,003 INFO L158 Benchmark]: Toolchain (without parser) took 5477.31ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 109.1MB in the beginning and 66.1MB in the end (delta: 42.9MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2023-12-02 23:49:14,003 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:49:14,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.31ms. Allocated memory is still 140.5MB. Free memory was 109.1MB in the beginning and 98.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:49:14,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.95ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 96.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:49:14,005 INFO L158 Benchmark]: Boogie Preprocessor took 15.27ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:49:14,005 INFO L158 Benchmark]: RCFGBuilder took 296.02ms. Allocated memory is still 140.5MB. Free memory was 95.7MB in the beginning and 83.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:49:14,006 INFO L158 Benchmark]: CodeCheck took 4851.68ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 83.8MB in the beginning and 70.8MB in the end (delta: 13.0MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-12-02 23:49:14,006 INFO L158 Benchmark]: Witness Printer took 94.36ms. Allocated memory is still 169.9MB. Free memory was 70.8MB in the beginning and 66.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:49:14,008 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 371 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 342 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 196 mSDsCounter, 677 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1754 IncrementalHoareTripleChecker+Invalid, 2431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 677 mSolverCounterUnsat, 146 mSDtfsCounter, 1754 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2596 GetRequests, 2464 SyntacticMatches, 48 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2842 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 927 SizeOfPredicates, 24 NumberOfNonLiveVariables, 915 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 403/480 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: 30]: Loop Invariant Derived loop invariant: (!(((3 == t) && (a == 1))) || (s == 4)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.31ms. Allocated memory is still 140.5MB. Free memory was 109.1MB in the beginning and 98.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.95ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 96.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.27ms. Allocated memory is still 140.5MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.02ms. Allocated memory is still 140.5MB. Free memory was 95.7MB in the beginning and 83.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4851.68ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 83.8MB in the beginning and 70.8MB in the end (delta: 13.0MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Witness Printer took 94.36ms. Allocated memory is still 169.9MB. Free memory was 70.8MB in the beginning and 66.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:49:14,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e04c2d-066c-4f70-b56c-d5cdefbe56ec/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