./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:39,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:39,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:30:39,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:39,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:39,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:39,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:39,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:39,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:39,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:39,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:39,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:39,733 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:30:39,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:39,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:30:39,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:39,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:39,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:39,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:39,737 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:39,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:39,738 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:30:39,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:39,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:39,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:39,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:39,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:39,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:39,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:39,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:39,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:39,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:39,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:39,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:39,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:39,744 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_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2023-11-23 20:30:40,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:40,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:40,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:40,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:40,113 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:40,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2023-11-23 20:30:43,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:43,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:43,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/sv-benchmarks/c/list-simple/dll2c_update_all.i [2023-11-23 20:30:43,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/data/376e9df94/c59b4e73424846fb9e82f67444695eef/FLAGca0d15f08 [2023-11-23 20:30:43,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/data/376e9df94/c59b4e73424846fb9e82f67444695eef [2023-11-23 20:30:43,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:43,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:43,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:43,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:43,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:43,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:43" (1/1) ... [2023-11-23 20:30:43,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c03597e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:43, skipping insertion in model container [2023-11-23 20:30:43,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:43" (1/1) ... [2023-11-23 20:30:43,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:44,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:44,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:44,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:44,254 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:44,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44 WrapperNode [2023-11-23 20:30:44,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:44,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:44,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:44,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:44,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,307 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-23 20:30:44,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:44,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:44,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:44,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:44,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:44,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:44,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:44,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:44,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:44" (1/1) ... [2023-11-23 20:30:44,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:44,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:44,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:44,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:30:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:30:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-23 20:30:44,528 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-23 20:30:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:30:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:30:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:30:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:44,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:44,653 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:44,655 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:44,949 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:45,014 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:45,014 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 20:30:45,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:45 BoogieIcfgContainer [2023-11-23 20:30:45,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:45,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:45,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:45,027 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:45,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:45" (1/1) ... [2023-11-23 20:30:45,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-23 20:30:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-23 20:30:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:45,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:45,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 59 transitions. [2023-11-23 20:30:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-23 20:30:45,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:30:45,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:30:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 63 transitions. [2023-11-23 20:30:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2023-11-23 20:30:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:30:45,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 20:30:46,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:46,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 64 transitions. [2023-11-23 20:30:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-23 20:30:46,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:30:46,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:46,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 61 states and 77 transitions. [2023-11-23 20:30:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-11-23 20:30:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:30:46,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:46,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:46,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:46,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 62 states and 78 transitions. [2023-11-23 20:30:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-11-23 20:30:46,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:30:46,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:46,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:30:47,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:47,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 59 transitions. [2023-11-23 20:30:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2023-11-23 20:30:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:30:47,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:47,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:47,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 64 transitions. [2023-11-23 20:30:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-23 20:30:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:30:47,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:47,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:47,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 66 transitions. [2023-11-23 20:30:47,584 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-23 20:30:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:30:47,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:47,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 67 transitions. [2023-11-23 20:30:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-23 20:30:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:30:47,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:47,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:48,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:48,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 76 transitions. [2023-11-23 20:30:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-23 20:30:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:30:48,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:48,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 78 transitions. [2023-11-23 20:30:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-23 20:30:48,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:30:48,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:48,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:49,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 82 transitions. [2023-11-23 20:30:49,336 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-23 20:30:49,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:30:49,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:49,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:30:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 81 transitions. [2023-11-23 20:30:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-23 20:30:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:30:49,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:49,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 89 transitions. [2023-11-23 20:30:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2023-11-23 20:30:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:30:50,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:50,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:30:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 96 transitions. [2023-11-23 20:30:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2023-11-23 20:30:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:30:51,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:51,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 74 states and 104 transitions. [2023-11-23 20:30:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2023-11-23 20:30:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:30:52,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:52,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:30:53,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:53,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 75 states and 104 transitions. [2023-11-23 20:30:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2023-11-23 20:30:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:30:53,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:53,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:30:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 49 states and 55 transitions. [2023-11-23 20:30:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-23 20:30:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:30:54,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:54,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:54,977 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:55,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 51 states and 58 transitions. [2023-11-23 20:30:55,014 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2023-11-23 20:30:55,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:30:55,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 52 states and 59 transitions. [2023-11-23 20:30:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2023-11-23 20:30:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:30:55,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 53 states and 62 transitions. [2023-11-23 20:30:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2023-11-23 20:30:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:30:55,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 56 states and 66 transitions. [2023-11-23 20:30:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2023-11-23 20:30:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:30:55,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 57 states and 67 transitions. [2023-11-23 20:30:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2023-11-23 20:30:56,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:30:56,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:56,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:56,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 63 states and 77 transitions. [2023-11-23 20:30:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-23 20:30:56,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:30:56,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:56,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 65 states and 79 transitions. [2023-11-23 20:30:56,911 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2023-11-23 20:30:56,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:56,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:30:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 78 transitions. [2023-11-23 20:30:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2023-11-23 20:30:57,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:30:57,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:57,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 67 states and 83 transitions. [2023-11-23 20:30:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2023-11-23 20:30:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:30:57,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:30:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 69 states and 85 transitions. [2023-11-23 20:30:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2023-11-23 20:30:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:30:58,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 20:31:00,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:00,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 75 states and 94 transitions. [2023-11-23 20:31:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2023-11-23 20:31:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:31:00,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:00,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 20:31:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 76 states and 94 transitions. [2023-11-23 20:31:00,602 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2023-11-23 20:31:00,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:31:00,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:00,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 20:31:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 83 states and 105 transitions. [2023-11-23 20:31:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 105 transitions. [2023-11-23 20:31:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:31:02,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:02,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:02,765 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 20:31:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 84 states and 105 transitions. [2023-11-23 20:31:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-23 20:31:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:31:03,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:03,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 20:31:05,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 91 states and 114 transitions. [2023-11-23 20:31:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2023-11-23 20:31:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:31:05,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:05,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 20:31:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 53 states and 57 transitions. [2023-11-23 20:31:06,325 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2023-11-23 20:31:06,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:31:06,326 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2023-11-23 20:31:06,334 INFO L751 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2023-11-23 20:31:06,600 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,605 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,605 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,605 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,605 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,606 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,606 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,606 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,606 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:06,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:31:06 ImpRootNode [2023-11-23 20:31:06,607 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:31:06,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:06,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:06,608 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:06,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:45" (3/4) ... [2023-11-23 20:31:06,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:31:06,613 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2023-11-23 20:31:06,619 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-11-23 20:31:06,620 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-23 20:31:06,620 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:31:06,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:31:06,729 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:31:06,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:31:06,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:06,731 INFO L158 Benchmark]: Toolchain (without parser) took 23100.73ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 118.9MB in the beginning and 242.3MB in the end (delta: -123.5MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-23 20:31:06,731 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:06,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.47ms. Allocated memory is still 151.0MB. Free memory was 118.2MB in the beginning and 100.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:31:06,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.65ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:06,732 INFO L158 Benchmark]: Boogie Preprocessor took 46.09ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:06,732 INFO L158 Benchmark]: RCFGBuilder took 661.36ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 97.9MB in the end (delta: -1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:06,733 INFO L158 Benchmark]: CodeCheck took 21589.81ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 97.9MB in the beginning and 247.6MB in the end (delta: -149.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:06,733 INFO L158 Benchmark]: Witness Printer took 122.94ms. Allocated memory is still 318.8MB. Free memory was 247.6MB in the beginning and 242.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:06,735 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, 48 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3192 SdHoareTripleChecker+Valid, 15.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1947 mSDsluCounter, 1238 SdHoareTripleChecker+Invalid, 13.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 368 mSDsCounter, 2489 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9176 IncrementalHoareTripleChecker+Invalid, 11665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2489 mSolverCounterUnsat, 870 mSDtfsCounter, 9176 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7470 GetRequests, 7103 SyntacticMatches, 103 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32054 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1080 NumberOfCodeBlocks, 1080 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1046 ConstructedInterpolants, 0 QuantifiedInterpolants, 2398 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 15 PerfectInterpolantSequences, 339/431 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: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.47ms. Allocated memory is still 151.0MB. Free memory was 118.2MB in the beginning and 100.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.65ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.09ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 96.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.36ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 97.9MB in the end (delta: -1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 21589.81ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 97.9MB in the beginning and 247.6MB in the end (delta: -149.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 122.94ms. Allocated memory is still 318.8MB. Free memory was 247.6MB in the beginning and 242.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:31:06,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a30ac4-fe0c-4aec-bd96-4be9fd51f93f/bin/ukojak-verify-1t5iHCbJaC/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