./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm --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 e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:45,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:46,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:57:46,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:57:46,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:57:46,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:46,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:46,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:46,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:46,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:46,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:46,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:46,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:57:46,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:57:46,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:57:46,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:46,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:46,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:46,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:46,057 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:46,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:57:46,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:46,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:46,057 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:46,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:46,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:46,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:46,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:46,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:46,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:46,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:46,058 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:57:46,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:57:46,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm 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 -> e45b14428dafe2f20aeac8c38d2592befc15b6791b0365935474ded4fd47d0f2 [2024-11-13 16:57:46,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:46,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:46,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:46,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:46,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:46,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/forester-heap/sll-sorted-1.i Unable to find full path for "g++" [2024-11-13 16:57:48,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:48,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:48,668 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i [2024-11-13 16:57:48,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/data/93a867510/d44249fd9c954f03be40c0d555272e5e/FLAG5d8ac46c5 [2024-11-13 16:57:48,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/data/93a867510/d44249fd9c954f03be40c0d555272e5e [2024-11-13 16:57:48,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:48,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:48,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:48,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:48,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:48,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:48" (1/1) ... [2024-11-13 16:57:48,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16284d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:48, skipping insertion in model container [2024-11-13 16:57:48,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:48" (1/1) ... [2024-11-13 16:57:48,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:49,188 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22317,22330] [2024-11-13 16:57:49,193 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22547,22560] [2024-11-13 16:57:49,197 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22877,22890] [2024-11-13 16:57:49,198 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22941,22954] [2024-11-13 16:57:49,199 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23072,23085] [2024-11-13 16:57:49,200 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23136,23149] [2024-11-13 16:57:49,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:49,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:49,259 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22317,22330] [2024-11-13 16:57:49,261 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22547,22560] [2024-11-13 16:57:49,265 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22877,22890] [2024-11-13 16:57:49,265 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[22941,22954] [2024-11-13 16:57:49,267 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23072,23085] [2024-11-13 16:57:49,267 WARN L250 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_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/sv-benchmarks/c/forester-heap/sll-sorted-1.i[23136,23149] [2024-11-13 16:57:49,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:49,296 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:49,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49 WrapperNode [2024-11-13 16:57:49,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:49,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:49,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:49,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:49,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,343 INFO L138 Inliner]: procedures = 119, calls = 39, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 176 [2024-11-13 16:57:49,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:49,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:49,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:49,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:49,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:49,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:49,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:49,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:49,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:49" (1/1) ... [2024-11-13 16:57:49,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:49,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:49,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:57:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:57:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:57:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:57:49,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:57:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:57:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:57:49,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:49,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:49,600 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:49,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:49,942 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:49,943 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:50,080 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:50,080 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-13 16:57:50,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:50 BoogieIcfgContainer [2024-11-13 16:57:50,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:50,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:50,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:50,098 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:50,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:50" (1/1) ... [2024-11-13 16:57:50,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:50,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2024-11-13 16:57:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2024-11-13 16:57:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:57:50,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:50,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:57:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2024-11-13 16:57:50,420 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-13 16:57:50,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:57:50,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:50,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:57:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2024-11-13 16:57:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2024-11-13 16:57:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:57:50,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:50,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:57:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2024-11-13 16:57:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2024-11-13 16:57:51,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:57:51,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:51,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:57:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:51,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2024-11-13 16:57:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2024-11-13 16:57:51,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:57:51,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:51,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:57:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2024-11-13 16:57:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2024-11-13 16:57:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:57:53,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:53,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:57:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:57,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 68 states and 111 transitions. [2024-11-13 16:57:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 111 transitions. [2024-11-13 16:57:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:57:57,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 131 transitions. [2024-11-13 16:58:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 131 transitions. [2024-11-13 16:58:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:58:01,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:01,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 133 transitions. [2024-11-13 16:58:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 133 transitions. [2024-11-13 16:58:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:58:02,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:02,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:58:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2024-11-13 16:58:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2024-11-13 16:58:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:58:02,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:58:03,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:03,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 122 transitions. [2024-11-13 16:58:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 122 transitions. [2024-11-13 16:58:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:58:03,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:03,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 94 states and 152 transitions. [2024-11-13 16:58:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2024-11-13 16:58:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:58:07,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:07,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:14,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 104 states and 170 transitions. [2024-11-13 16:58:14,920 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 170 transitions. [2024-11-13 16:58:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:58:14,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:14,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 106 states and 181 transitions. [2024-11-13 16:58:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 181 transitions. [2024-11-13 16:58:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:58:18,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:18,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 108 states and 188 transitions. [2024-11-13 16:58:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 188 transitions. [2024-11-13 16:58:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:58:21,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:21,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 206 transitions. [2024-11-13 16:58:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2024-11-13 16:58:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:58:25,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:25,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 127 states and 225 transitions. [2024-11-13 16:58:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 225 transitions. [2024-11-13 16:58:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:58:31,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:31,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 129 states and 235 transitions. [2024-11-13 16:58:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 235 transitions. [2024-11-13 16:58:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:58:34,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:34,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:58:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:35,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 127 states and 233 transitions. [2024-11-13 16:58:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 233 transitions. [2024-11-13 16:58:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:58:35,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:35,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 138 states and 255 transitions. [2024-11-13 16:58:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 255 transitions. [2024-11-13 16:58:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:58:42,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:58:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:46,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 138 states and 251 transitions. [2024-11-13 16:58:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 251 transitions. [2024-11-13 16:58:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:58:46,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:46,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:58:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:58:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 145 states and 267 transitions. [2024-11-13 16:58:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 267 transitions. [2024-11-13 16:58:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:58:50,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:58:50,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:58:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:58:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 155 states and 298 transitions. [2024-11-13 16:59:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 298 transitions. [2024-11-13 16:59:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:59:00,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:00,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 157 states and 304 transitions. [2024-11-13 16:59:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 304 transitions. [2024-11-13 16:59:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:59:06,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:06,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2024-11-13 16:59:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2024-11-13 16:59:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:59:10,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:10,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 242 transitions. [2024-11-13 16:59:14,855 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 242 transitions. [2024-11-13 16:59:14,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:59:14,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:14,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:20,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 243 transitions. [2024-11-13 16:59:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2024-11-13 16:59:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:59:20,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:20,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 154 states and 275 transitions. [2024-11-13 16:59:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 275 transitions. [2024-11-13 16:59:33,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:59:33,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:33,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:59:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 142 states and 250 transitions. [2024-11-13 16:59:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 250 transitions. [2024-11-13 16:59:36,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:59:36,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:37,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 155 states and 275 transitions. [2024-11-13 16:59:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 275 transitions. [2024-11-13 16:59:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:59:46,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:46,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:53,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 279 transitions. [2024-11-13 16:59:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2024-11-13 16:59:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:59:53,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:59:55,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 161 states and 285 transitions. [2024-11-13 16:59:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 285 transitions. [2024-11-13 16:59:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:59:55,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:55,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:00:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 161 states and 283 transitions. [2024-11-13 17:00:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2024-11-13 17:00:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 17:00:03,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:03,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:04,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:00:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 175 states and 310 transitions. [2024-11-13 17:00:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 310 transitions. [2024-11-13 17:00:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 17:00:16,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:16,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:00:25,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:25,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 177 states and 320 transitions. [2024-11-13 17:00:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 320 transitions. [2024-11-13 17:00:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 17:00:25,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:25,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:27,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:00:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 180 states and 333 transitions. [2024-11-13 17:00:31,105 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 333 transitions. [2024-11-13 17:00:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 17:00:31,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:31,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:00:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 180 states and 331 transitions. [2024-11-13 17:00:40,403 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 331 transitions. [2024-11-13 17:00:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 17:00:40,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:40,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:00:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:53,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 188 states and 354 transitions. [2024-11-13 17:00:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 354 transitions. [2024-11-13 17:00:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 17:00:53,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:53,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:00:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:01:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 200 states and 378 transitions. [2024-11-13 17:01:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 378 transitions. [2024-11-13 17:01:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 17:01:11,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:11,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:01:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 17:01:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 210 states and 403 transitions. [2024-11-13 17:01:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 403 transitions. [2024-11-13 17:01:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 17:01:29,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:29,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:01:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:01:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:01:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 221 states and 430 transitions. [2024-11-13 17:01:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 430 transitions. [2024-11-13 17:01:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 17:01:51,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:01:51,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:01:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:02:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 231 states and 447 transitions. [2024-11-13 17:02:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 447 transitions. [2024-11-13 17:02:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:02:07,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:07,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:02:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:02:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 242 states and 467 transitions. [2024-11-13 17:02:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 467 transitions. [2024-11-13 17:02:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:02:28,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:28,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:02:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:02:45,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 238 states and 441 transitions. [2024-11-13 17:02:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 441 transitions. [2024-11-13 17:02:45,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:02:45,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:45,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:02:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 17:02:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:02:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 240 states and 445 transitions. [2024-11-13 17:02:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 445 transitions. [2024-11-13 17:02:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:02:54,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:02:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:02:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:02:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 17:03:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:03,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 247 states and 462 transitions. [2024-11-13 17:03:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 462 transitions. [2024-11-13 17:03:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:03:03,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:03,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:03:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:12,030 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:03:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 257 states and 497 transitions. [2024-11-13 17:03:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 497 transitions. [2024-11-13 17:03:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:03:30,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:03:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:04:02,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:02,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 269 states and 530 transitions. [2024-11-13 17:04:02,479 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 530 transitions. [2024-11-13 17:04:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:04:02,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:02,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:04:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:04:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:12,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 271 states and 555 transitions. [2024-11-13 17:04:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 555 transitions. [2024-11-13 17:04:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 17:04:12,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:12,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:04:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:04:32,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 275 states and 587 transitions. [2024-11-13 17:04:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 587 transitions. [2024-11-13 17:04:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:04:32,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:32,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:04:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:04:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 277 states and 595 transitions. [2024-11-13 17:04:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 595 transitions. [2024-11-13 17:04:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:04:49,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:49,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:04:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:05:12,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 289 states and 627 transitions. [2024-11-13 17:05:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 627 transitions. [2024-11-13 17:05:12,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:05:12,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:12,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:05:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:05:36,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:05:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 304 states and 658 transitions. [2024-11-13 17:05:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 658 transitions. [2024-11-13 17:05:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:05:36,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:05:36,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:05:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:05:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:06:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 316 states and 684 transitions. [2024-11-13 17:06:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 684 transitions. [2024-11-13 17:06:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:06:13,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:13,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:06:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 17:06:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 322 states and 693 transitions. [2024-11-13 17:06:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 693 transitions. [2024-11-13 17:06:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:06:23,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:23,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:06:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:29,267 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:06:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 332 states and 718 transitions. [2024-11-13 17:06:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 718 transitions. [2024-11-13 17:06:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:06:50,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:50,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:06:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:06:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 17:06:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:06:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 335 states and 726 transitions. [2024-11-13 17:06:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 726 transitions. [2024-11-13 17:06:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 17:06:57,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:06:57,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:06:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:10,469 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:07:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:07:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 343 states and 742 transitions. [2024-11-13 17:07:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 742 transitions. [2024-11-13 17:07:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 17:07:36,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:07:36,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:07:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:07:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:08:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 354 states and 763 transitions. [2024-11-13 17:08:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 763 transitions. [2024-11-13 17:08:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 17:08:02,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:08:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 17:08:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 360 states and 777 transitions. [2024-11-13 17:08:15,664 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 777 transitions. [2024-11-13 17:08:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 17:08:15,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:15,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:08:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 17:08:15,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 17:08:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 17:08:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 17:08:16,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 17:08:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 17:08:16,169 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 60 iterations. [2024-11-13 17:08:16,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 05:08:16 ImpRootNode [2024-11-13 17:08:16,221 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 17:08:16,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 17:08:16,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 17:08:16,222 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 17:08:16,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:50" (3/4) ... [2024-11-13 17:08:16,224 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 17:08:16,285 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 17:08:16,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 17:08:16,286 INFO L158 Benchmark]: Toolchain (without parser) took 627423.25ms. Allocated memory was 117.4MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 93.9MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 399.6MB. Max. memory is 16.1GB. [2024-11-13 17:08:16,287 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:08:16,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.07ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 76.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 17:08:16,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.06ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:08:16,290 INFO L158 Benchmark]: Boogie Preprocessor took 30.50ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:08:16,290 INFO L158 Benchmark]: RCFGBuilder took 708.58ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 47.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 17:08:16,291 INFO L158 Benchmark]: CodeCheck took 626136.80ms. Allocated memory was 117.4MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 47.9MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 357.6MB. Max. memory is 16.1GB. [2024-11-13 17:08:16,294 INFO L158 Benchmark]: Witness Printer took 63.67ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 503.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:08:16,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 44 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 626.1s, OverallIterations: 60, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22676 SdHoareTripleChecker+Valid, 225.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17160 mSDsluCounter, 20945 SdHoareTripleChecker+Invalid, 204.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18164 mSDsCounter, 14343 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73026 IncrementalHoareTripleChecker+Invalid, 87369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14343 mSolverCounterUnsat, 2781 mSDtfsCounter, 73026 mSolverCounterSat, 1.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14821 GetRequests, 12798 SyntacticMatches, 595 SemanticMatches, 1428 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1209698 ImplicationChecksByTransitivity, 559.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 167.3s InterpolantComputationTime, 1348 NumberOfCodeBlocks, 1348 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 1261 ConstructedInterpolants, 0 QuantifiedInterpolants, 53905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 13 PerfectInterpolantSequences, 77/710 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 - CounterExampleResult [Line: 1062]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L996] SLL* head = malloc(sizeof(SLL)); [L997] head->next = ((void*)0) [L998] head->data = 0 [L1000] SLL* x = head; [L1001] int marked = 0; VAL [head={-1:0}, marked=0, x={-1:0}] [L1004] COND TRUE __VERIFIER_nondet_int() || !marked [L1007] x->next = malloc(sizeof(SLL)) [L1008] EXPR x->next [L1008] x = x->next [L1009] x->next = ((void*)0) [L1011] COND TRUE __VERIFIER_nondet_int() [L1013] marked = 1 [L1016] COND TRUE \read(marked) [L1017] x->data = 1 VAL [head={-1:0}, marked=1, x={25246:0}] [L1004] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1022] x = head VAL [head={-1:0}, x={-1:0}] [L1024] COND FALSE !(!(((void*)0) != x)) VAL [head={-1:0}, x={-1:0}] [L1025] marked = 0 VAL [head={-1:0}, x={-1:0}] [L1027] EXPR x->next [L1027] x->next != ((void*)0) && x->next->data == 0 [L1027] EXPR x->next [L1027] EXPR x->next->data [L1027] x->next != ((void*)0) && x->next->data == 0 VAL [head={-1:0}, x={-1:0}] [L1027] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1032] EXPR x->next [L1032] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1032] x->next != ((void*)0) && __VERIFIER_nondet_int() VAL [head={-1:0}, x={-1:0}] [L1032] COND FALSE !(x->next != ((void*)0) && __VERIFIER_nondet_int()) [L1038] SLL* tmp = malloc(sizeof(SLL)); [L1039] tmp->data = 1 [L1040] tmp->next = ((void*)0) [L1041] EXPR x->next [L1041] COND FALSE !(x->next == ((void*)0)) [L1045] EXPR x->next [L1045] tmp->next = x->next [L1046] x->next = tmp [L1049] marked = 0 [L1050] x = head VAL [head={-1:0}, x={-1:0}] [L1052] x != ((void*)0) && x->data != 1 [L1052] EXPR x->data [L1052] x != ((void*)0) && x->data != 1 VAL [head={-1:0}, x={-1:0}] [L1052] COND TRUE x != ((void*)0) && x->data != 1 [L1054] EXPR x->data [L1054] marked = x->data [L1055] EXPR x->data VAL [head={-1:0}, marked=0, x={-1:0}] [L1055] COND FALSE !(!(x->data == 0)) [L1056] COND FALSE !(!(marked == 0)) VAL [head={-1:0}, marked=0, x={-1:0}] [L1057] EXPR x->next [L1057] x = x->next [L1052] x != ((void*)0) && x->data != 1 [L1052] EXPR x->data [L1052] x != ((void*)0) && x->data != 1 VAL [head={-1:0}, marked=0, x={25245:0}] [L1052] COND FALSE !(x != ((void*)0) && x->data != 1) [L1059] COND TRUE x != ((void*)0) [L1061] EXPR x->data [L1061] marked = x->data [L1062] EXPR x->data VAL [head={-1:0}, marked=1, x={25245:0}] [L1062] COND TRUE !(x->data != 1) [L1062] reach_error() VAL [head={-1:0}, marked=1, x={25245:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.07ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 76.0MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.06ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.50ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 708.58ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 47.9MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 626136.80ms. Allocated memory was 117.4MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 47.9MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 357.6MB. Max. memory is 16.1GB. * Witness Printer took 63.67ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 503.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 17:08:16,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e98cdd8-1f27-4dd8-bb5b-c0524a9e9bd6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE