./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/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_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL --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 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:39,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:39,188 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:03:39,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:39,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:39,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:39,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:39,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:39,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:39,255 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:39,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:39,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:39,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:39,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:39,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:39,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:39,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:39,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:39,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:39,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:03:39,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:39,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:39,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:39,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:39,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:39,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:39,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:39,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:39,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:39,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:39,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:39,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:39,273 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:39,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:39,274 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:39,274 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_f34cfe64-4e74-4365-8b06-f528e9e0771f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7950877d732f4800002d6a797590b13f630fa3c613f928d7858c74ba3c97d345 [2023-11-19 04:03:39,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:39,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:39,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:39,703 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:39,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:39,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2023-11-19 04:03:43,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:43,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:43,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound2.c [2023-11-19 04:03:43,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/data/45d0140f6/65f61e8af888462cbf790cdd0696a353/FLAG2fcd20cb8 [2023-11-19 04:03:43,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/data/45d0140f6/65f61e8af888462cbf790cdd0696a353 [2023-11-19 04:03:43,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:43,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:43,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:43,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:43,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:43,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d7252d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43, skipping insertion in model container [2023-11-19 04:03:43,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:43,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:43,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:43,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:43,752 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:43,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43 WrapperNode [2023-11-19 04:03:43,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:43,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:43,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:43,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:43,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,794 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-19 04:03:43,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:43,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:43,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:43,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:43,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:43,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:43,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:43,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:43,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:43" (1/1) ... [2023-11-19 04:03:43,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:43,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:43,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:43,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:03:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:03:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:03:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:03:43,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:43,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:44,235 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:44,276 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:44,276 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:03:44,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:44 BoogieIcfgContainer [2023-11-19 04:03:44,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:44,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:44,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:44,296 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:44,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:44" (1/1) ... [2023-11-19 04:03:44,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 04:03:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 04:03:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:03:44,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:44,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-19 04:03:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 04:03:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:03:44,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:44,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-19 04:03:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 04:03:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:03:45,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:45,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:45,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:03:45,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:45,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-19 04:03:45,721 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-19 04:03:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:03:45,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:45,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:03:45,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:46,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-19 04:03:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 04:03:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:03:46,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:46,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:03:46,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2023-11-19 04:03:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2023-11-19 04:03:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:03:46,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:46,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:03:46,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 104 transitions. [2023-11-19 04:03:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 104 transitions. [2023-11-19 04:03:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:03:47,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:47,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:47,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:03:47,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:47,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 116 transitions. [2023-11-19 04:03:47,649 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 116 transitions. [2023-11-19 04:03:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:03:47,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:47,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:47,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:03:47,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:48,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 121 transitions. [2023-11-19 04:03:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-19 04:03:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:03:48,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:48,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:03:48,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:49,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:49,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 73 states and 125 transitions. [2023-11-19 04:03:49,499 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2023-11-19 04:03:49,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:03:49,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:49,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:49,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:03:49,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:03:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 75 states and 127 transitions. [2023-11-19 04:03:50,070 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2023-11-19 04:03:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 04:03:50,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:50,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:50,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:03:50,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:03:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 75 states and 126 transitions. [2023-11-19 04:03:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 126 transitions. [2023-11-19 04:03:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:03:50,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:50,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:50,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:03:50,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 79 states and 132 transitions. [2023-11-19 04:03:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2023-11-19 04:03:51,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:03:51,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:51,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:51,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:03:51,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 132 transitions. [2023-11-19 04:03:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2023-11-19 04:03:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:03:52,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:52,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:52,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:03:52,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:52,516 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 04:03:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 92 states and 163 transitions. [2023-11-19 04:03:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 163 transitions. [2023-11-19 04:03:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:03:56,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:56,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:56,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:03:56,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:03:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:59,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 100 states and 170 transitions. [2023-11-19 04:03:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2023-11-19 04:03:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:03:59,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:59,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:59,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:03:59,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:03:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:04:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 101 states and 171 transitions. [2023-11-19 04:04:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 171 transitions. [2023-11-19 04:04:00,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:04:00,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:00,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:04:00,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:04:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 176 transitions. [2023-11-19 04:04:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2023-11-19 04:04:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:04:01,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:01,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:01,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:04:01,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:04:02,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 48 states and 66 transitions. [2023-11-19 04:04:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2023-11-19 04:04:02,325 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:04:02,325 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-19 04:04:02,338 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-19 04:04:02,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:04:02,531 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:04:02,531 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:04:02,532 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:04:02,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:04:02 ImpRootNode [2023-11-19 04:04:02,532 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:04:02,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:04:02,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:04:02,534 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:04:02,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:44" (3/4) ... [2023-11-19 04:04:02,537 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:04:02,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:04:02,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:04:02,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 04:04:02,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:04:02,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:04:02,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:04:02,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:04:02,674 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:04:02,675 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:04:02,675 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:04:02,676 INFO L158 Benchmark]: Toolchain (without parser) took 19185.48ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 78.3MB in the beginning and 83.7MB in the end (delta: -5.3MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2023-11-19 04:04:02,677 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory was 113.3MB in the beginning and 113.2MB in the end (delta: 170.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:02,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.76ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 78.1MB in the beginning and 141.8MB in the end (delta: -63.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-19 04:04:02,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.63ms. Allocated memory is still 172.0MB. Free memory was 141.7MB in the beginning and 143.0MB in the end (delta: -1.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-19 04:04:02,679 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 172.0MB. Free memory was 143.0MB in the beginning and 142.3MB in the end (delta: 792.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:04:02,679 INFO L158 Benchmark]: RCFGBuilder took 444.27ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 127.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:04:02,680 INFO L158 Benchmark]: CodeCheck took 18247.82ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 127.6MB in the beginning and 88.8MB in the end (delta: 38.7MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2023-11-19 04:04:02,681 INFO L158 Benchmark]: Witness Printer took 142.51ms. Allocated memory is still 207.6MB. Free memory was 88.8MB in the beginning and 83.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:04:02,684 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 3 procedures, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2209 SdHoareTripleChecker+Valid, 10.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1195 mSDsluCounter, 2348 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1150 mSDsCounter, 1367 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4352 IncrementalHoareTripleChecker+Invalid, 5719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1367 mSolverCounterUnsat, 1198 mSDtfsCounter, 4352 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5131 GetRequests, 4727 SyntacticMatches, 204 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18452 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 599 NumberOfCodeBlocks, 599 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 581 ConstructedInterpolants, 0 QuantifiedInterpolants, 1345 SizeOfPredicates, 47 NumberOfNonLiveVariables, 1910 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 292/307 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: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory was 113.3MB in the beginning and 113.2MB in the end (delta: 170.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.76ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 78.1MB in the beginning and 141.8MB in the end (delta: -63.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.63ms. Allocated memory is still 172.0MB. Free memory was 141.7MB in the beginning and 143.0MB in the end (delta: -1.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 172.0MB. Free memory was 143.0MB in the beginning and 142.3MB in the end (delta: 792.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.27ms. Allocated memory is still 172.0MB. Free memory was 142.3MB in the beginning and 127.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 18247.82ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 127.6MB in the beginning and 88.8MB in the end (delta: 38.7MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Witness Printer took 142.51ms. Allocated memory is still 207.6MB. Free memory was 88.8MB in the beginning and 83.7MB 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! [2023-11-19 04:04:02,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f34cfe64-4e74-4365-8b06-f528e9e0771f/bin/ukojak-verify-G8NBE6pJGL/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