./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/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_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/list-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:04,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:04,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:06:04,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:04,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:04,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:04,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:04,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:04,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:04,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:04,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:04,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:04,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:06:04,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:04,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:06:04,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:04,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:04,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:04,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:04,215 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:06:04,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:04,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:04,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:04,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:04,218 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:04,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:04,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:04,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:04,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:04,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:04,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:04,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:04,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:04,222 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_5a32f580-74c6-4dc8-89a0-e2067884c80b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 657efb2af25c5cc2c0afb2bbf76276caecae7904494acc21657e1ac1176685b7 [2023-11-19 03:06:04,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:04,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:04,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:04,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:04,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:04,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/list-properties/list-1.i [2023-11-19 03:06:07,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:07,833 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:07,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/sv-benchmarks/c/list-properties/list-1.i [2023-11-19 03:06:07,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/data/8adea5a22/c2bd8645cc0e4fafadd0b30fbbdc3038/FLAGa8e065e8d [2023-11-19 03:06:07,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/data/8adea5a22/c2bd8645cc0e4fafadd0b30fbbdc3038 [2023-11-19 03:06:07,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:07,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:07,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:07,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:07,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:07,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:07" (1/1) ... [2023-11-19 03:06:07,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714b1e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:07, skipping insertion in model container [2023-11-19 03:06:07,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:07" (1/1) ... [2023-11-19 03:06:07,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:08,196 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2023-11-19 03:06:08,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:08,211 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:08,252 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/sv-benchmarks/c/list-properties/list-1.i[23408,23421] [2023-11-19 03:06:08,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:08,285 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:08,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08 WrapperNode [2023-11-19 03:06:08,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:08,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:08,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:08,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:08,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,330 INFO L138 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-11-19 03:06:08,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:08,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:08,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:08,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:08,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:08,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:08,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:08,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:08,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:08,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:08,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:08,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a32f580-74c6-4dc8-89a0-e2067884c80b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2023-11-19 03:06:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2023-11-19 03:06:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:06:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:06:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:06:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:06:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:06:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:08,548 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:08,550 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:08,592 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2023-11-19 03:06:08,792 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:08,815 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:08,824 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:06:08,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:08 BoogieIcfgContainer [2023-11-19 03:06:08,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:08,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:08,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:08,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:08,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:08" (1/1) ... [2023-11-19 03:06:08,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-19 03:06:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-19 03:06:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:06:08,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:08,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:09,146 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 03:06:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-19 03:06:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-19 03:06:09,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:06:09,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:09,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:09,739 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 03:06:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-19 03:06:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-19 03:06:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:06:09,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:10,171 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 03:06:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-19 03:06:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-19 03:06:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:06:10,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:10,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:10,565 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 03:06:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2023-11-19 03:06:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-19 03:06:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:06:10,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:10,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2023-11-19 03:06:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2023-11-19 03:06:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:06:12,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:12,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2023-11-19 03:06:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2023-11-19 03:06:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:06:13,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:13,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:15,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 120 transitions. [2023-11-19 03:06:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 120 transitions. [2023-11-19 03:06:15,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:06:15,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:15,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 72 states and 130 transitions. [2023-11-19 03:06:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 130 transitions. [2023-11-19 03:06:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:06:16,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:16,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 79 states and 146 transitions. [2023-11-19 03:06:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2023-11-19 03:06:17,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:06:17,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:17,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 79 states and 139 transitions. [2023-11-19 03:06:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 139 transitions. [2023-11-19 03:06:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:06:17,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:17,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 85 states and 154 transitions. [2023-11-19 03:06:20,266 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 154 transitions. [2023-11-19 03:06:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:06:20,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:20,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 87 states and 160 transitions. [2023-11-19 03:06:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 160 transitions. [2023-11-19 03:06:21,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:06:21,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:21,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 89 states and 166 transitions. [2023-11-19 03:06:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 166 transitions. [2023-11-19 03:06:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:06:22,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:22,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2023-11-19 03:06:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2023-11-19 03:06:26,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:06:26,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:26,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:27,478 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 03:06:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:30,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 111 states and 224 transitions. [2023-11-19 03:06:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 224 transitions. [2023-11-19 03:06:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:06:30,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:30,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:36,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 122 states and 252 transitions. [2023-11-19 03:06:36,233 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 252 transitions. [2023-11-19 03:06:36,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:36,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:36,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 128 states and 265 transitions. [2023-11-19 03:06:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 265 transitions. [2023-11-19 03:06:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:40,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:40,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 139 states and 295 transitions. [2023-11-19 03:06:47,437 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 295 transitions. [2023-11-19 03:06:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:47,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:47,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 141 states and 302 transitions. [2023-11-19 03:06:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 302 transitions. [2023-11-19 03:06:49,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:49,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:49,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:51,412 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:56,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 154 states and 335 transitions. [2023-11-19 03:06:56,192 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 335 transitions. [2023-11-19 03:06:56,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:56,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.