./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/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_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/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_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/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 cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:51:13,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:51:13,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:51:13,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:51:13,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:51:13,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:51:13,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:51:13,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:51:13,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:51:13,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:51:13,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:51:13,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:51:13,258 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:51:13,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:51:13,262 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:51:13,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:51:13,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:51:13,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:51:13,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:51:13,264 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:51:13,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:51:13,265 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:51:13,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:51:13,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:51:13,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:51:13,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:51:13,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:51:13,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:51:13,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:13,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:51:13,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:51:13,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:51:13,272 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:51:13,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:51:13,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:51:13,272 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_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d [2023-11-19 02:51:13,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:51:13,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:51:13,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:51:13,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:51:13,630 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:51:13,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-11-19 02:51:16,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:51:16,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:51:16,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-11-19 02:51:16,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/data/f0168ffd2/ac3f339138ae49baa870d07bc5601bf0/FLAG99fa13319 [2023-11-19 02:51:16,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/data/f0168ffd2/ac3f339138ae49baa870d07bc5601bf0 [2023-11-19 02:51:17,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:51:17,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:51:17,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:17,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:51:17,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:51:17,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:16" (1/1) ... [2023-11-19 02:51:17,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f22c390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17, skipping insertion in model container [2023-11-19 02:51:17,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:16" (1/1) ... [2023-11-19 02:51:17,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:51:17,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:17,217 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:51:17,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:17,249 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:51:17,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17 WrapperNode [2023-11-19 02:51:17,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:17,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:17,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:51:17,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:51:17,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,287 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-19 02:51:17,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:17,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:51:17,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:51:17,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:51:17,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:51:17,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:51:17,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:51:17,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:51:17,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:17,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:51:17,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:51:17,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:51:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:51:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:51:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:51:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:51:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:51:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:51:17,472 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:51:17,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:51:17,638 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:51:17,673 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:51:17,673 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:51:17,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:17 BoogieIcfgContainer [2023-11-19 02:51:17,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:51:17,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:51:17,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:51:17,701 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:51:17,702 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:17" (1/1) ... [2023-11-19 02:51:17,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:51:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-19 02:51:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-19 02:51:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:51:17,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:17,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-19 02:51:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-19 02:51:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:51:18,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-19 02:51:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-19 02:51:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:51:18,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-19 02:51:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-19 02:51:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:51:18,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-19 02:51:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-19 02:51:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:51:18,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:18,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-19 02:51:18,521 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-19 02:51:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:51:18,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:18,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:18,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-19 02:51:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 02:51:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:51:18,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:51:18,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-19 02:51:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-19 02:51:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:51:18,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:18,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:51:18,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-19 02:51:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-19 02:51:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:51:19,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:19,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:19,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:51:19,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:19,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-19 02:51:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-19 02:51:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:51:19,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:19,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:19,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:19,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-19 02:51:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-19 02:51:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:51:19,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:19,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:19,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-19 02:51:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-19 02:51:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:51:20,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:20,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:20,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:20,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:21,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-19 02:51:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-19 02:51:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:51:21,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:21,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:21,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:51:21,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-19 02:51:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-19 02:51:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:51:21,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:21,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:51:21,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 86 states and 141 transitions. [2023-11-19 02:51:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2023-11-19 02:51:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:51:22,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:22,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:23,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:51:23,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 96 states and 159 transitions. [2023-11-19 02:51:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2023-11-19 02:51:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:24,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:24,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:24,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:51:24,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 102 states and 169 transitions. [2023-11-19 02:51:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2023-11-19 02:51:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:24,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:24,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:24,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:51:24,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:24,906 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 171 transitions. [2023-11-19 02:51:25,346 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 171 transitions. [2023-11-19 02:51:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:25,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:25,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:25,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:51:25,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 175 transitions. [2023-11-19 02:51:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 175 transitions. [2023-11-19 02:51:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:51:26,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:26,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:26,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:51:26,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:51:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 176 transitions. [2023-11-19 02:51:26,674 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2023-11-19 02:51:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:51:26,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:26,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:26,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:51:26,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 114 states and 191 transitions. [2023-11-19 02:51:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 191 transitions. [2023-11-19 02:51:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:51:27,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:27,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:27,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:27,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 202 transitions. [2023-11-19 02:51:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 202 transitions. [2023-11-19 02:51:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:51:28,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:28,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:28,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:28,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 124 states and 213 transitions. [2023-11-19 02:51:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2023-11-19 02:51:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:51:28,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:28,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:28,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 234 transitions. [2023-11-19 02:51:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 234 transitions. [2023-11-19 02:51:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:51:29,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:29,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:51:29,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:30,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 150 states and 264 transitions. [2023-11-19 02:51:30,791 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2023-11-19 02:51:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:51:30,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:30,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:30,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:30,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 156 states and 275 transitions. [2023-11-19 02:51:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2023-11-19 02:51:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:51:31,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:31,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:31,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:31,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 159 states and 279 transitions. [2023-11-19 02:51:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 279 transitions. [2023-11-19 02:51:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:51:32,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:32,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:32,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:32,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:32,792 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 162 states and 281 transitions. [2023-11-19 02:51:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 281 transitions. [2023-11-19 02:51:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:51:33,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:33,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:33,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:33,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 165 states and 283 transitions. [2023-11-19 02:51:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 283 transitions. [2023-11-19 02:51:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:51:34,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:34,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:34,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:51:34,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:51:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:34,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 167 states and 284 transitions. [2023-11-19 02:51:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 284 transitions. [2023-11-19 02:51:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:51:34,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:34,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:34,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:51:34,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:51:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 171 states and 304 transitions. [2023-11-19 02:51:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 304 transitions. [2023-11-19 02:51:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:51:35,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:35,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:35,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:51:35,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 178 states and 315 transitions. [2023-11-19 02:51:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 315 transitions. [2023-11-19 02:51:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:51:36,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:36,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:36,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:51:36,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:37,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 181 states and 317 transitions. [2023-11-19 02:51:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 317 transitions. [2023-11-19 02:51:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:51:37,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:37,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:37,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:51:37,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 191 states and 338 transitions. [2023-11-19 02:51:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 338 transitions. [2023-11-19 02:51:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:51:39,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:39,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:39,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:39,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:51:40,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 197 states and 352 transitions. [2023-11-19 02:51:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 352 transitions. [2023-11-19 02:51:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:51:40,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:40,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:40,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:40,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:51:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:41,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 200 states and 354 transitions. [2023-11-19 02:51:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 354 transitions. [2023-11-19 02:51:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:51:41,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:41,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:41,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:41,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:51:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 203 states and 356 transitions. [2023-11-19 02:51:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 356 transitions. [2023-11-19 02:51:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:51:42,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:42,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:42,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:42,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:51:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 205 states and 357 transitions. [2023-11-19 02:51:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 357 transitions. [2023-11-19 02:51:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:51:43,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:43,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:43,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:43,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:51:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:44,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 208 states and 359 transitions. [2023-11-19 02:51:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 359 transitions. [2023-11-19 02:51:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:51:44,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:44,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:44,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:51:44,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:44,168 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:51:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 361 transitions. [2023-11-19 02:51:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 361 transitions. [2023-11-19 02:51:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:51:45,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:45,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:51:45,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:51:45,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 215 states and 382 transitions. [2023-11-19 02:51:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 382 transitions. [2023-11-19 02:51:45,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:45,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:45,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:46,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:51:46,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:47,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 222 states and 393 transitions. [2023-11-19 02:51:47,284 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 393 transitions. [2023-11-19 02:51:47,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:47,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:47,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:47,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:51:47,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:50,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 240 states and 415 transitions. [2023-11-19 02:51:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 415 transitions. [2023-11-19 02:51:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:51:50,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:50,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:50,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:51:50,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:51,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 247 states and 424 transitions. [2023-11-19 02:51:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 424 transitions. [2023-11-19 02:51:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:51:51,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:51,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:51,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:51:51,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 259 states and 462 transitions. [2023-11-19 02:51:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 462 transitions. [2023-11-19 02:51:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:51:53,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:53,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:53,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:51:53,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 270 states and 476 transitions. [2023-11-19 02:51:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 476 transitions. [2023-11-19 02:51:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:51:55,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:55,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:51:55,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:51:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 274 states and 484 transitions. [2023-11-19 02:51:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 484 transitions. [2023-11-19 02:51:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:51:57,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:57,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:57,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:51:57,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:51:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 277 states and 490 transitions. [2023-11-19 02:51:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 490 transitions. [2023-11-19 02:51:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:51:59,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:59,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:51:59,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:51:59,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:51:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:52:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 280 states and 492 transitions. [2023-11-19 02:52:00,108 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 492 transitions. [2023-11-19 02:52:00,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:52:00,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:00,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:52:00,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:52:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:01,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 283 states and 494 transitions. [2023-11-19 02:52:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 494 transitions. [2023-11-19 02:52:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 02:52:01,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:01,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:01,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:52:01,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:52:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 97 states and 135 transitions. [2023-11-19 02:52:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2023-11-19 02:52:02,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:52:02,145 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2023-11-19 02:52:02,162 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 02:52:02,596 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:52:02,600 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:52:02,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:52:02 ImpRootNode [2023-11-19 02:52:02,601 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:52:02,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:52:02,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:52:02,602 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:52:02,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:17" (3/4) ... [2023-11-19 02:52:02,604 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:52:02,608 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 02:52:02,611 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-19 02:52:02,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 02:52:02,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:52:02,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:52:02,718 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:52:02,719 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:52:02,719 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:52:02,720 INFO L158 Benchmark]: Toolchain (without parser) took 45717.67ms. Allocated memory was 136.3MB in the beginning and 413.1MB in the end (delta: 276.8MB). Free memory was 103.1MB in the beginning and 156.6MB in the end (delta: -53.5MB). Peak memory consumption was 222.8MB. Max. memory is 16.1GB. [2023-11-19 02:52:02,720 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:02,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.82ms. Allocated memory is still 136.3MB. Free memory was 102.5MB in the beginning and 92.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:52:02,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.51ms. Allocated memory is still 136.3MB. Free memory was 92.0MB in the beginning and 90.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:52:02,722 INFO L158 Benchmark]: Boogie Preprocessor took 25.50ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 89.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:52:02,722 INFO L158 Benchmark]: RCFGBuilder took 364.47ms. Allocated memory is still 136.3MB. Free memory was 89.4MB in the beginning and 78.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:52:02,723 INFO L158 Benchmark]: CodeCheck took 44920.72ms. Allocated memory was 136.3MB in the beginning and 413.1MB in the end (delta: 276.8MB). Free memory was 78.5MB in the beginning and 160.7MB in the end (delta: -82.2MB). Peak memory consumption was 195.5MB. Max. memory is 16.1GB. [2023-11-19 02:52:02,724 INFO L158 Benchmark]: Witness Printer took 117.76ms. Allocated memory is still 413.1MB. Free memory was 160.7MB in the beginning and 156.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:52:02,726 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, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 44.4s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12512 SdHoareTripleChecker+Valid, 53.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11019 mSDsluCounter, 9774 SdHoareTripleChecker+Invalid, 44.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8090 mSDsCounter, 9461 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35242 IncrementalHoareTripleChecker+Invalid, 44703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9461 mSolverCounterUnsat, 1684 mSDtfsCounter, 35242 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19949 GetRequests, 18679 SyntacticMatches, 782 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142613 ImplicationChecksByTransitivity, 35.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1981 NumberOfCodeBlocks, 1981 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1931 ConstructedInterpolants, 0 QuantifiedInterpolants, 5887 SizeOfPredicates, 124 NumberOfNonLiveVariables, 4592 ConjunctsInSsa, 387 ConjunctsInUnsatCore, 50 InterpolantComputations, 18 PerfectInterpolantSequences, 1214/3030 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: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.82ms. Allocated memory is still 136.3MB. Free memory was 102.5MB in the beginning and 92.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.51ms. Allocated memory is still 136.3MB. Free memory was 92.0MB in the beginning and 90.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.50ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 89.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 364.47ms. Allocated memory is still 136.3MB. Free memory was 89.4MB in the beginning and 78.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 44920.72ms. Allocated memory was 136.3MB in the beginning and 413.1MB in the end (delta: 276.8MB). Free memory was 78.5MB in the beginning and 160.7MB in the end (delta: -82.2MB). Peak memory consumption was 195.5MB. Max. memory is 16.1GB. * Witness Printer took 117.76ms. Allocated memory is still 413.1MB. Free memory was 160.7MB in the beginning and 156.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:52:02,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590c771a-cd1d-4ba1-9ff3-2f9540967ab8/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