./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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 a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:44:13,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:44:13,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:44:13,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:44:13,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:44:13,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:44:13,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:44:13,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:44:13,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:44:13,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:44:13,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:44:13,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:44:13,600 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:44:13,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:44:13,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:44:13,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:44:13,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:44:13,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:44:13,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:44:13,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:44:13,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:44:13,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:44:13,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:44:13,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:44:13,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:44:13,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:44:13,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:13,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:44:13,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:44:13,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:44:13,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:44:13,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:44:13,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:44:13,611 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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 [2023-12-03 01:44:13,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:44:13,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:44:13,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:44:13,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:44:13,874 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:44:13,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2023-12-03 01:44:16,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:16,842 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:16,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2023-12-03 01:44:16,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data/77979ad90/b8391f8301304004a2657815e948cb9c/FLAG7a9c24c2d [2023-12-03 01:44:16,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data/77979ad90/b8391f8301304004a2657815e948cb9c [2023-12-03 01:44:16,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:16,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:16,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:16,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:16,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:16,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:16" (1/1) ... [2023-12-03 01:44:16,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2218c760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:16, skipping insertion in model container [2023-12-03 01:44:16,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:16" (1/1) ... [2023-12-03 01:44:16,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:17,026 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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2023-12-03 01:44:17,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:17,060 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:44:17,074 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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2023-12-03 01:44:17,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:17,101 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:44:17,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17 WrapperNode [2023-12-03 01:44:17,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:17,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:17,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:44:17,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:44:17,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,137 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2023-12-03 01:44:17,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:17,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:44:17,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:44:17,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:44:17,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:44:17,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:44:17,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:44:17,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:44:17,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:17,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:44:17,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:44:17,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:44:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:44:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:44:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:44:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:44:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:44:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:44:17,285 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:44:17,287 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:17,416 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:17,501 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:17,502 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:44:17,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:17 BoogieIcfgContainer [2023-12-03 01:44:17,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:17,504 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:17,504 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:17,513 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:17,513 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:17" (1/1) ... [2023-12-03 01:44:17,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:17,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-03 01:44:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-03 01:44:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:44:17,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:17,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:44:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:17,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:44:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:44:17,866 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:44:17,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:44:17 ImpRootNode [2023-12-03 01:44:17,903 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:44:17,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:44:17,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:44:17,904 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:44:17,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:17" (3/4) ... [2023-12-03 01:44:17,906 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:44:17,908 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:44:17,909 INFO L158 Benchmark]: Toolchain (without parser) took 1044.39ms. Allocated memory is still 172.0MB. Free memory was 138.9MB in the beginning and 119.9MB in the end (delta: 19.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:17,909 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 106.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:17,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.74ms. Allocated memory is still 172.0MB. Free memory was 138.9MB in the beginning and 127.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:44:17,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.51ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 126.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:17,911 INFO L158 Benchmark]: Boogie Preprocessor took 24.81ms. Allocated memory is still 172.0MB. Free memory was 126.2MB in the beginning and 125.3MB in the end (delta: 904.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:17,912 INFO L158 Benchmark]: RCFGBuilder took 339.43ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 140.7MB in the end (delta: -15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:44:17,913 INFO L158 Benchmark]: CodeCheck took 399.47ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 120.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:44:17,913 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 172.0MB. Free memory was 120.9MB in the beginning and 119.9MB in the end (delta: 934.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:17,917 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 64; [L23] unsigned char var_1_4 = 1; [L24] unsigned short int var_1_5 = 16; [L25] unsigned short int var_1_6 = 32; [L26] signed long int var_1_7 = -10; [L27] double var_1_8 = 9999999.5; [L28] double var_1_9 = 10.25; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L44] var_1_4 = __VERIFIER_nondet_uchar() [L45] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=64, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L46] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=0, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_1=64, var_1_4=0, var_1_5=16, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L47] var_1_5 = __VERIFIER_nondet_ushort() [L48] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=64, var_1_4=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L49] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, var_1_1=64, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2, var_1_9=41/4] [L50] var_1_9 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=64, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=64, var_1_4=0, var_1_5=0, var_1_6=32, var_1_7=-10, var_1_8=19999999/2] [L64] RET updateVariables() [L65] CALL step() [L32] var_1_6 = var_1_5 [L33] var_1_7 = var_1_6 [L34] var_1_8 = var_1_9 [L35] COND TRUE (0.5 + var_1_8) != (var_1_8 * 0.5) [L36] COND FALSE !(\read(var_1_4)) [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((((0.5 + var_1_8) != (var_1_8 * 0.5)) ? (var_1_4 ? (var_1_1 == ((unsigned short int) var_1_5)) : 1) : (var_1_1 == ((unsigned short int) var_1_5))) && (var_1_6 == ((unsigned short int) var_1_5))) && (var_1_7 == ((signed long int) var_1_6))) && (var_1_8 == ((double) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=64, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=64, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 87.6MB in the end (delta: 106.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.74ms. Allocated memory is still 172.0MB. Free memory was 138.9MB in the beginning and 127.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.51ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 126.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.81ms. Allocated memory is still 172.0MB. Free memory was 126.2MB in the beginning and 125.3MB in the end (delta: 904.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.43ms. Allocated memory is still 172.0MB. Free memory was 125.3MB in the beginning and 140.7MB in the end (delta: -15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 399.47ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 120.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 172.0MB. Free memory was 120.9MB in the beginning and 119.9MB in the end (delta: 934.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:44:17,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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 a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:44:19,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:44:20,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:44:20,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:44:20,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:44:20,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:44:20,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:44:20,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:44:20,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:44:20,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:44:20,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:44:20,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:44:20,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:44:20,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:44:20,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:44:20,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:44:20,038 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:44:20,039 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:44:20,039 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:44:20,040 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:44:20,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:44:20,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:44:20,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:44:20,042 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:44:20,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:44:20,043 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:20,044 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:44:20,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:44:20,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:20,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:44:20,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:44:20,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:44:20,047 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:44:20,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:20,047 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:44:20,047 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:44:20,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:44:20,048 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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2516b40220938196b9b667879c45993cd4bcecc3daa1c811132234d646c2577 [2023-12-03 01:44:20,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:44:20,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:44:20,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:44:20,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:44:20,356 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:44:20,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2023-12-03 01:44:23,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:23,473 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:23,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i [2023-12-03 01:44:23,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data/c55e02323/dabe855e8e0b4f00b7d017b4ba78dc89/FLAG996323fa8 [2023-12-03 01:44:23,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/data/c55e02323/dabe855e8e0b4f00b7d017b4ba78dc89 [2023-12-03 01:44:23,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:23,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:23,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:23,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:23,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:23,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1471858e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23, skipping insertion in model container [2023-12-03 01:44:23,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:23,687 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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2023-12-03 01:44:23,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:23,727 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:44:23,741 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_3cf26e2f-7e53-4597-a53e-14a35f1d1341/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-27.i[915,928] [2023-12-03 01:44:23,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:23,769 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:44:23,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23 WrapperNode [2023-12-03 01:44:23,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:23,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:23,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:44:23,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:44:23,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,812 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2023-12-03 01:44:23,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:23,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:44:23,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:44:23,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:44:23,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:44:23,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:44:23,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:44:23,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:44:23,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:23" (1/1) ... [2023-12-03 01:44:23,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:44:23,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:44:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:44:23,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:44:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:44:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:44:23,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:44:23,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:44:23,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:44:23,998 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:44:24,000 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:25,162 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:25,230 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:25,231 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:44:25,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:25 BoogieIcfgContainer [2023-12-03 01:44:25,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:25,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:25,234 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:25,244 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:25,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:25" (1/1) ... [2023-12-03 01:44:25,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-03 01:44:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-03 01:44:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:44:25,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:25,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:44:25,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:44:25,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:44:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:25,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:44:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:25,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 01:44:25,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:44:30,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:44:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:32,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-03 01:44:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-03 01:44:32,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:44:32,572 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 01:44:32,579 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:44:32,725 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-12-03 01:44:32,730 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:44:32,730 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:44:32,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:44:32 ImpRootNode [2023-12-03 01:44:32,731 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:44:32,732 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:44:32,732 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:44:32,732 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:44:32,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:25" (3/4) ... [2023-12-03 01:44:32,734 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:44:32,737 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 01:44:32,742 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-03 01:44:32,742 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-03 01:44:32,742 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:44:32,743 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:44:32,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:44:32,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:44:32,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:44:32,821 INFO L158 Benchmark]: Toolchain (without parser) took 9319.48ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 37.2MB in the end (delta: 29.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:32,822 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:32,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.50ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 54.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:44:32,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.12ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 53.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:32,824 INFO L158 Benchmark]: Boogie Preprocessor took 32.56ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 51.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:44:32,824 INFO L158 Benchmark]: RCFGBuilder took 1385.92ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 59.9MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:44:32,825 INFO L158 Benchmark]: CodeCheck took 7497.66ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 41.8MB in the end (delta: 17.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-12-03 01:44:32,825 INFO L158 Benchmark]: Witness Printer took 88.95ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 37.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:44:32,828 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: 7.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 10 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 SizeOfPredicates, 13 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 17/20 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: 19]: 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: 43]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.50ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 54.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.12ms. Allocated memory is still 90.2MB. Free memory was 54.7MB in the beginning and 53.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.56ms. Allocated memory is still 90.2MB. Free memory was 52.8MB in the beginning and 51.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1385.92ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 59.9MB in the end (delta: -8.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 7497.66ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 41.8MB in the end (delta: 17.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Witness Printer took 88.95ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 37.2MB 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! [2023-12-03 01:44:32,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cf26e2f-7e53-4597-a53e-14a35f1d1341/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