./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 64cf69862103028cc5e8a34caf260d35fd4a36af178cc669e118ca08c95473d3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:59:39,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:59:39,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:59:39,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:59:39,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:59:39,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:59:39,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:59:39,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:59:39,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:59:39,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:59:39,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:59:39,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:59:39,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:59:39,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:59:39,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:59:39,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:59:39,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:59:39,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:59:39,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:59:39,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:59:39,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:59:39,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:59:39,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:59:39,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:59:39,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:59:39,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:59:39,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:59:39,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:59:39,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:59:39,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:59:39,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:59:39,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:59:39,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:59:39,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:59:39,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:59:39,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:59:39,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:59:39,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:59:39,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:59:39,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:59:39,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:59:39,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:59:39,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:59:39,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:59:39,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:59:39,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:59:39,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:59:39,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:59:39,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:59:39,688 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:59:39,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:59:39,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:59:39,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:59:39,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:59:39,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:59:39,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:59:39,689 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:59:39,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:59:39,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:59:39,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:59:39,690 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:59:39,690 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:59:39,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:59:39,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:59:39,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:59:39,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:59:39,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:59:39,691 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:59:39,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:59:39,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:59:39,692 INFO L138 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_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64cf69862103028cc5e8a34caf260d35fd4a36af178cc669e118ca08c95473d3 [2022-12-14 22:59:39,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:59:39,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:59:39,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:59:39,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:59:39,906 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:59:39,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem09_label02.c [2022-12-14 22:59:42,554 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:59:44,226 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:59:44,227 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/sv-benchmarks/c/eca-rers2012/Problem09_label02.c [2022-12-14 22:59:44,503 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/data/7062b0a8c/4bf394cc33b348fb84413db96def7f90/FLAGd2effa801 [2022-12-14 22:59:44,514 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/data/7062b0a8c/4bf394cc33b348fb84413db96def7f90 [2022-12-14 22:59:44,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:59:44,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:59:44,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:59:44,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:59:44,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:59:44,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:59:44" (1/1) ... [2022-12-14 22:59:44,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f72615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:59:44, skipping insertion in model container [2022-12-14 22:59:44,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:59:44" (1/1) ... [2022-12-14 22:59:44,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:59:45,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:00:10,155 WARN L237 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_0324a46c-9027-4463-b932-5bc267d77045/sv-benchmarks/c/eca-rers2012/Problem09_label02.c[6302700,6302713] [2022-12-14 23:00:10,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:00:10,281 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:00:23,374 WARN L237 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_0324a46c-9027-4463-b932-5bc267d77045/sv-benchmarks/c/eca-rers2012/Problem09_label02.c[6302700,6302713] [2022-12-14 23:00:23,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:00:26,781 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:00:26,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26 WrapperNode [2022-12-14 23:00:26,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:00:26,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:00:26,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:00:26,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:00:26,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:27,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:30,114 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2022-12-14 23:00:30,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:00:30,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:00:30,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:00:30,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:00:30,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:30,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:30,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:30,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:31,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:31,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:32,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:32,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:32,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:00:32,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:00:32,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:00:32,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:00:32,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:00:26" (1/1) ... [2022-12-14 23:00:32,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:00:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:00:32,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:00:32,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0324a46c-9027-4463-b932-5bc267d77045/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:00:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:00:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:00:32,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:00:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:00:33,088 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:00:33,090 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:01:38,521 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:02:27,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:02:27,274 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:02:27,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:27 BoogieIcfgContainer [2022-12-14 23:02:27,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:02:27,287 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:02:27,287 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:02:27,294 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:02:27,294 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:27" (1/1) ... [2022-12-14 23:02:27,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:02:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2022-12-14 23:02:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2022-12-14 23:02:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2022-12-14 23:02:28,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:28,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:04:41,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:04:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52688 states to 33007 states and 52688 transitions. [2022-12-14 23:04:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 52688 transitions. [2022-12-14 23:04:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16470 [2022-12-14 23:04:43,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:04:43,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:04:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:05:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:05:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:05:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52693 states to 33010 states and 52693 transitions. [2022-12-14 23:05:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 33010 states and 52693 transitions. [2022-12-14 23:05:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16471 [2022-12-14 23:05:45,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:05:45,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:05:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:06:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52694 states to 33011 states and 52694 transitions. [2022-12-14 23:06:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 33011 states and 52694 transitions. [2022-12-14 23:06:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16472 [2022-12-14 23:06:44,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:44,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:07:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:07:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:07:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52702 states to 33016 states and 52702 transitions. [2022-12-14 23:07:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 33016 states and 52702 transitions. [2022-12-14 23:07:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16473 [2022-12-14 23:07:41,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:07:41,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:07:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:08:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:08:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:08:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52712 states to 33022 states and 52712 transitions. [2022-12-14 23:08:36,324 INFO L276 IsEmpty]: Start isEmpty. Operand 33022 states and 52712 transitions. [2022-12-14 23:08:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16474 [2022-12-14 23:08:37,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:08:37,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:08:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:09:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52717 states to 33025 states and 52717 transitions. [2022-12-14 23:09:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 33025 states and 52717 transitions. [2022-12-14 23:09:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16475 [2022-12-14 23:09:34,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:34,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat