./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 9bd2c7ff 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_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:45,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:45,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-11-19 02:56:45,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:45,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:45,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:45,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:45,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:45,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:45,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:45,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:45,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:45,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:45,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:45,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:45,189 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:56:45,189 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:56:45,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:45,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:45,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:45,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:45,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:45,194 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:45,195 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:45,196 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:45,196 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:45,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:45,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:45,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:45,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:45,200 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:45,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:45,201 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_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 [2023-11-19 02:56:45,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:45,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:45,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:45,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:45,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:45,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2023-11-19 02:56:48,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:49,432 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:49,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2023-11-19 02:56:49,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/data/12e0909dd/67f4d38c1487488a8583a6fc9958451d/FLAGa8539cfa2 [2023-11-19 02:56:49,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/data/12e0909dd/67f4d38c1487488a8583a6fc9958451d [2023-11-19 02:56:49,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:49,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:49,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:49,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:49,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:49,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:49" (1/1) ... [2023-11-19 02:56:49,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2347a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:49, skipping insertion in model container [2023-11-19 02:56:49,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:49" (1/1) ... [2023-11-19 02:56:49,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:50,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:50,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:50,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:51,052 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:51,062 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:51,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51 WrapperNode [2023-11-19 02:56:51,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:51,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:51,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:51,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:51,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,376 INFO L138 Inliner]: procedures = 177, calls = 525, calls flagged for inlining = 17, calls inlined = 44, statements flattened = 3348 [2023-11-19 02:56:51,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:51,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:51,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:51,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:51,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:51,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:51,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:51,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:51,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:51" (1/1) ... [2023-11-19 02:56:51,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:51,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:51,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:51,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:56:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:56:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:56:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:56:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:52,244 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:52,247 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:56,265 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:57:01,349 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:57:01,350 INFO L302 CfgBuilder]: Removed 151 assume(true) statements. [2023-11-19 02:57:01,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:01 BoogieIcfgContainer [2023-11-19 02:57:01,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:57:01,366 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:57:01,366 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:57:01,378 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:57:01,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:01" (1/1) ... [2023-11-19 02:57:01,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:57:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 355 states and 593 transitions. [2023-11-19 02:57:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 593 transitions. [2023-11-19 02:57:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:57:01,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:01,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 354 states and 587 transitions. [2023-11-19 02:57:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 587 transitions. [2023-11-19 02:57:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:57:01,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:01,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 354 states and 583 transitions. [2023-11-19 02:57:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 583 transitions. [2023-11-19 02:57:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:57:01,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:01,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 356 states and 584 transitions. [2023-11-19 02:57:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 584 transitions. [2023-11-19 02:57:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:57:02,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:02,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:09,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 356 states and 579 transitions. [2023-11-19 02:57:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 579 transitions. [2023-11-19 02:57:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:57:09,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:09,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:09,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 356 states and 575 transitions. [2023-11-19 02:57:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 575 transitions. [2023-11-19 02:57:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:57:09,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:09,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:09,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:09,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 356 states and 569 transitions. [2023-11-19 02:57:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 569 transitions. [2023-11-19 02:57:09,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:57:09,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:09,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:10,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:57:10,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:57:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:57:20,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:57:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 99 transitions. [2023-11-19 02:57:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2023-11-19 02:57:20,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:57:20,396 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-19 02:57:20,404 INFO L751 CodeCheckObserver]: All specifications hold 17 specifications checked. All of them hold [2023-11-19 02:57:20,455 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,461 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,461 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,461 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,461 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,463 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,463 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,463 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 02:57:20,467 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 02:57:20,469 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,469 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,469 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,469 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,469 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,471 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,471 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,471 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:57:20,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:57:20 ImpRootNode [2023-11-19 02:57:20,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:57:20,472 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:57:20,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:57:20,473 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:57:20,473 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:57:01" (3/4) ... [2023-11-19 02:57:20,475 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:57:20,525 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 557 nodes and edges [2023-11-19 02:57:20,528 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2023-11-19 02:57:20,532 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 02:57:20,535 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:57:20,864 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:57:20,864 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:57:20,864 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:57:20,867 INFO L158 Benchmark]: Toolchain (without parser) took 31353.54ms. Allocated memory was 132.1MB in the beginning and 543.2MB in the end (delta: 411.0MB). Free memory was 83.6MB in the beginning and 436.8MB in the end (delta: -353.2MB). Peak memory consumption was 322.7MB. Max. memory is 16.1GB. [2023-11-19 02:57:20,868 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:57:20,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1546.04ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 83.4MB in the beginning and 128.2MB in the end (delta: -44.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-19 02:57:20,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 311.79ms. Allocated memory is still 190.8MB. Free memory was 128.2MB in the beginning and 110.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:57:20,870 INFO L158 Benchmark]: Boogie Preprocessor took 346.40ms. Allocated memory is still 190.8MB. Free memory was 110.2MB in the beginning and 134.1MB in the end (delta: -23.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-19 02:57:20,871 INFO L158 Benchmark]: RCFGBuilder took 9640.32ms. Allocated memory was 190.8MB in the beginning and 543.2MB in the end (delta: 352.3MB). Free memory was 134.1MB in the beginning and 395.6MB in the end (delta: -261.5MB). Peak memory consumption was 280.5MB. Max. memory is 16.1GB. [2023-11-19 02:57:20,871 INFO L158 Benchmark]: CodeCheck took 19105.61ms. Allocated memory is still 543.2MB. Free memory was 395.6MB in the beginning and 197.4MB in the end (delta: 198.2MB). Peak memory consumption was 197.1MB. Max. memory is 16.1GB. [2023-11-19 02:57:20,871 INFO L158 Benchmark]: Witness Printer took 392.23ms. Allocated memory is still 543.2MB. Free memory was 197.4MB in the beginning and 436.8MB in the end (delta: -239.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-19 02:57:20,873 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 1 procedures, 355 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 19.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 601 SdHoareTripleChecker+Valid, 37.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 222 SdHoareTripleChecker+Invalid, 37.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 222 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1237 GetRequests, 1233 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1019 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 8/8 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: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 699]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 729]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 17 specifications checked. All of them hold - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1546.04ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 83.4MB in the beginning and 128.2MB in the end (delta: -44.8MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 311.79ms. Allocated memory is still 190.8MB. Free memory was 128.2MB in the beginning and 110.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 346.40ms. Allocated memory is still 190.8MB. Free memory was 110.2MB in the beginning and 134.1MB in the end (delta: -23.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * RCFGBuilder took 9640.32ms. Allocated memory was 190.8MB in the beginning and 543.2MB in the end (delta: 352.3MB). Free memory was 134.1MB in the beginning and 395.6MB in the end (delta: -261.5MB). Peak memory consumption was 280.5MB. Max. memory is 16.1GB. * CodeCheck took 19105.61ms. Allocated memory is still 543.2MB. Free memory was 395.6MB in the beginning and 197.4MB in the end (delta: 198.2MB). Peak memory consumption was 197.1MB. Max. memory is 16.1GB. * Witness Printer took 392.23ms. Allocated memory is still 543.2MB. Free memory was 197.4MB in the beginning and 436.8MB in the end (delta: -239.4MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 02:57:20,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df957d7-9f83-47d6-8edc-6542ab24b1c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE