./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label05.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_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/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_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/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_b7349766-d0f9-438b-9ce4-8500a7327850/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 2e33f4d3c4fea59fdc6911b6333c3b23f753e0e917d0d1a6fec4c832c802ae7a --- 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 22:17:51,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:17:51,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:17:51,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:17:51,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:17:51,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:17:51,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:17:51,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:17:51,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:17:51,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:17:51,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:17:51,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:17:51,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:17:51,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:17:51,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:17:51,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:17:51,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:17:51,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:17:51,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:17:51,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:17:51,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:17:51,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:17:51,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:17:51,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:17:51,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:17:51,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:17:51,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:17:51,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:17:51,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:17:51,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:17:51,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:17:51,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:17:51,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:17:51,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:17:51,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:17:51,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:17:51,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:17:51,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:17:51,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:17:51,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:17:51,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:17:51,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:17:51,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:17:51,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:17:51,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:17:51,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:17:51,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:17:51,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:17:51,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:17:51,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:17:51,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:17:51,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:17:51,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:17:51,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:17:51,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:17:51,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:17:51,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:17:51,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:17:51,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:17:51,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:17:51,981 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:17:51,981 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:17:51,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:17:51,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:17:51,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:17:51,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:17:51,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:17:51,982 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:17:51,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:17:51,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:17:51,983 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_b7349766-d0f9-438b-9ce4-8500a7327850/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e33f4d3c4fea59fdc6911b6333c3b23f753e0e917d0d1a6fec4c832c802ae7a [2022-12-14 22:17:52,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:17:52,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:17:52,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:17:52,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:17:52,203 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:17:52,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem08_label05.c [2022-12-14 22:17:54,925 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:17:56,684 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:17:56,685 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/sv-benchmarks/c/eca-rers2012/Problem08_label05.c [2022-12-14 22:17:56,934 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/data/9bc8728c8/dbd928eac6b2461f949cfd85edca1eba/FLAG214b1cdd8 [2022-12-14 22:17:56,945 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/data/9bc8728c8/dbd928eac6b2461f949cfd85edca1eba [2022-12-14 22:17:56,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:17:56,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:17:56,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:17:56,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:17:56,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:17:56,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:17:56" (1/1) ... [2022-12-14 22:17:56,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71144b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:56, skipping insertion in model container [2022-12-14 22:17:56,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:17:56" (1/1) ... [2022-12-14 22:17:56,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:17:58,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:18:21,043 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_b7349766-d0f9-438b-9ce4-8500a7327850/sv-benchmarks/c/eca-rers2012/Problem08_label05.c[5710174,5710187] [2022-12-14 22:18:21,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:18:21,149 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:18:33,156 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_b7349766-d0f9-438b-9ce4-8500a7327850/sv-benchmarks/c/eca-rers2012/Problem08_label05.c[5710174,5710187] [2022-12-14 22:18:33,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:18:35,972 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:18:35,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35 WrapperNode [2022-12-14 22:18:35,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:18:35,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:18:35,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:18:35,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:18:35,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:36,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:38,724 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2022-12-14 22:18:38,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:18:38,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:18:38,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:18:38,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:18:38,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:38,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:39,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:39,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:40,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:40,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:40,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:41,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:41,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:18:41,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:18:41,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:18:41,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:18:41,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:18:35" (1/1) ... [2022-12-14 22:18:41,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:18:41,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:18:41,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:18:41,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7349766-d0f9-438b-9ce4-8500a7327850/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:18:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:18:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:18:41,832 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:18:41,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:19:39,985 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:20:54,860 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:20:54,860 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:20:54,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:20:54 BoogieIcfgContainer [2022-12-14 22:20:54,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:20:54,873 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:20:54,874 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:20:54,880 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:20:54,881 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:20:54" (1/1) ... [2022-12-14 22:20:54,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:20:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:20:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2022-12-14 22:20:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2022-12-14 22:20:56,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2022-12-14 22:20:56,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:20:56,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:20:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:22:23,831 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 22:23:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:23:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62982 states to 35806 states and 62982 transitions. [2022-12-14 22:23:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 62982 transitions. [2022-12-14 22:23:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17867 [2022-12-14 22:23:21,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:23:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:23:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:24:46,570 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 22:24:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:24:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62988 states to 35810 states and 62988 transitions. [2022-12-14 22:24:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 35810 states and 62988 transitions. [2022-12-14 22:24:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17869 [2022-12-14 22:24:49,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:24:49,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:24:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:25:46,846 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 22:25:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:25:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62997 states to 35816 states and 62997 transitions. [2022-12-14 22:25:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 35816 states and 62997 transitions. [2022-12-14 22:25:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17871 [2022-12-14 22:25:49,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:25:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:25:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:26:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:26:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:26:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63009 states to 35824 states and 63009 transitions. [2022-12-14 22:26:52,019 INFO L276 IsEmpty]: Start isEmpty. Operand 35824 states and 63009 transitions. [2022-12-14 22:26:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17872 [2022-12-14 22:26:53,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:26:53,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:26:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:27:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:27:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:27:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63013 states to 35827 states and 63013 transitions. [2022-12-14 22:27:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 35827 states and 63013 transitions. [2022-12-14 22:27:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17873 [2022-12-14 22:27:53,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:27:53,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:27:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat