./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/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_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2a580f3a42bca030605af1bbd4c6a77550e46d88a6197c1e34cf45bb050eadef --- 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 [2022-12-15 01:58:14,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:58:14,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:58:14,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:58:14,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:58:14,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:58:14,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:58:14,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:58:14,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:58:14,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:58:14,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:58:14,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:58:14,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:58:14,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:58:14,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:58:14,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:58:14,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:58:14,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:58:14,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:58:14,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:58:14,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:58:14,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:58:14,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:58:14,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:58:14,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:58:14,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:58:14,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:58:14,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:58:14,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:58:14,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:58:14,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:58:14,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:58:14,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:58:14,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:58:14,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:58:14,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:58:14,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:58:14,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:58:14,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:58:14,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:58:14,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:58:14,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-15 01:58:14,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:58:14,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:58:14,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:58:14,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:58:14,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:58:14,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:58:14,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:58:14,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:58:14,950 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 01:58:14,950 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 01:58:14,950 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 01:58:14,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:58:14,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:58:14,951 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:58:14,951 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:58:14,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:58:14,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:58:14,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:58:14,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:58:14,952 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:58:14,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:58:14,953 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_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a580f3a42bca030605af1bbd4c6a77550e46d88a6197c1e34cf45bb050eadef [2022-12-15 01:58:15,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:58:15,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:58:15,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:58:15,136 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:58:15,136 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:58:15,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/array16_alloca_fixed.i [2022-12-15 01:58:17,708 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:58:17,915 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:58:17,916 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/sv-benchmarks/c/termination-15/array16_alloca_fixed.i [2022-12-15 01:58:17,923 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/data/2afbf2037/06476dc790ca4093938edac3653c69d4/FLAGd4c49ac13 [2022-12-15 01:58:18,279 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/data/2afbf2037/06476dc790ca4093938edac3653c69d4 [2022-12-15 01:58:18,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:58:18,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:58:18,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:58:18,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:58:18,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:58:18,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f96d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18, skipping insertion in model container [2022-12-15 01:58:18,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:58:18,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:58:18,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:58:18,514 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:58:18,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:58:18,556 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:58:18,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18 WrapperNode [2022-12-15 01:58:18,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:58:18,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:58:18,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:58:18,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:58:18,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,585 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-15 01:58:18,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:58:18,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:58:18,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:58:18,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:58:18,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,600 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:58:18,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:58:18,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:58:18,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:58:18,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:58:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:58:18,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:58:18,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:58:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:58:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:58:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:58:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:58:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:58:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:58:18,723 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:58:18,725 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:58:18,873 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:58:18,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:58:18,918 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:58:18,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:58:18 BoogieIcfgContainer [2022-12-15 01:58:18,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:58:18,920 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:58:18,920 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:58:18,927 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:58:18,928 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:58:18" (1/1) ... [2022-12-15 01:58:18,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:58:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-15 01:58:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-15 01:58:18,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:58:18,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-15 01:58:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-15 01:58:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:58:19,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:19,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:19,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-12-15 01:58:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-12-15 01:58:19,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:58:19,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:19,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-12-15 01:58:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-12-15 01:58:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:58:19,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:19,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:19,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-15 01:58:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-15 01:58:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:58:19,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:19,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-15 01:58:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-15 01:58:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:58:20,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:20,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-15 01:58:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-15 01:58:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:58:20,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:20,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:20,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-15 01:58:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-15 01:58:20,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:58:20,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:20,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:20,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:20,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-12-15 01:58:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-12-15 01:58:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:58:20,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:20,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:20,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-15 01:58:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-15 01:58:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:58:20,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:20,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-15 01:58:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-15 01:58:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:58:22,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:22,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-12-15 01:58:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-12-15 01:58:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:58:24,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:24,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2022-12-15 01:58:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2022-12-15 01:58:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:58:25,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:25,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:25,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-12-15 01:58:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-15 01:58:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:58:25,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2022-12-15 01:58:27,203 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2022-12-15 01:58:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:58:27,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:27,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:27,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2022-12-15 01:58:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2022-12-15 01:58:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:58:27,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:27,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2022-12-15 01:58:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2022-12-15 01:58:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:58:28,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2022-12-15 01:58:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2022-12-15 01:58:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:58:30,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:30,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:30,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2022-12-15 01:58:30,623 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2022-12-15 01:58:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:58:30,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:30,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:32,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2022-12-15 01:58:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2022-12-15 01:58:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:58:32,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2022-12-15 01:58:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2022-12-15 01:58:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:58:32,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:32,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2022-12-15 01:58:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2022-12-15 01:58:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:58:33,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:33,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:58:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2022-12-15 01:58:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2022-12-15 01:58:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:58:34,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:34,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:35,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 63 states and 139 transitions. [2022-12-15 01:58:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 139 transitions. [2022-12-15 01:58:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:58:38,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 66 states and 143 transitions. [2022-12-15 01:58:39,678 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 143 transitions. [2022-12-15 01:58:39,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:58:39,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:39,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:42,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 70 states and 167 transitions. [2022-12-15 01:58:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 167 transitions. [2022-12-15 01:58:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:58:42,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:58:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 73 states and 173 transitions. [2022-12-15 01:58:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 173 transitions. [2022-12-15 01:58:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:58:43,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 74 states and 173 transitions. [2022-12-15 01:58:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 173 transitions. [2022-12-15 01:58:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:58:44,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:44,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:58:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 75 states and 175 transitions. [2022-12-15 01:58:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 175 transitions. [2022-12-15 01:58:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:58:44,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:44,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 76 states and 175 transitions. [2022-12-15 01:58:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 175 transitions. [2022-12-15 01:58:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:58:45,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:45,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:58:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 79 states and 182 transitions. [2022-12-15 01:58:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 182 transitions. [2022-12-15 01:58:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:58:46,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:46,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:46,892 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:49,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 204 transitions. [2022-12-15 01:58:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 204 transitions. [2022-12-15 01:58:49,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:58:49,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:49,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:58:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:49,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 85 states and 207 transitions. [2022-12-15 01:58:49,837 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 207 transitions. [2022-12-15 01:58:49,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:58:49,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:49,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:58:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 86 states and 208 transitions. [2022-12-15 01:58:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 208 transitions. [2022-12-15 01:58:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:58:50,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 87 states and 209 transitions. [2022-12-15 01:58:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 209 transitions. [2022-12-15 01:58:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:58:51,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:51,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:58:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2022-12-15 01:58:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2022-12-15 01:58:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:58:51,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:51,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-15 01:58:52,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 89 states and 210 transitions. [2022-12-15 01:58:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 210 transitions. [2022-12-15 01:58:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:58:52,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:52,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:58:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:58:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 93 states and 215 transitions. [2022-12-15 01:58:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 215 transitions. [2022-12-15 01:58:57,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:58:57,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:58:57,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:58:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:58:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:59:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:01,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 99 states and 228 transitions. [2022-12-15 01:59:01,962 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 228 transitions. [2022-12-15 01:59:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:59:01,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:01,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:59:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 100 states and 231 transitions. [2022-12-15 01:59:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 231 transitions. [2022-12-15 01:59:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:59:03,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:03,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 109 states and 257 transitions. [2022-12-15 01:59:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 257 transitions. [2022-12-15 01:59:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:59:11,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:11,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:12,455 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 89 states and 189 transitions. [2022-12-15 01:59:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 189 transitions. [2022-12-15 01:59:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:59:14,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:14,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 193 transitions. [2022-12-15 01:59:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 193 transitions. [2022-12-15 01:59:15,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:59:15,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:15,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 93 states and 195 transitions. [2022-12-15 01:59:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 195 transitions. [2022-12-15 01:59:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:59:16,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:16,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:59:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 95 states and 198 transitions. [2022-12-15 01:59:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 198 transitions. [2022-12-15 01:59:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:59:17,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:17,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:59:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:18,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 96 states and 198 transitions. [2022-12-15 01:59:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 198 transitions. [2022-12-15 01:59:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:59:18,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:18,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:18,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:59:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 97 states and 198 transitions. [2022-12-15 01:59:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 198 transitions. [2022-12-15 01:59:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:59:19,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:59:19,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:59:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:59:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:59:19,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:59:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2022-12-15 01:59:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2022-12-15 01:59:19,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:59:19,555 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2022-12-15 01:59:19,563 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2022-12-15 01:59:20,158 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 01:59:20,166 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2022-12-15 01:59:20,168 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2022-12-15 01:59:20,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:59:20 ImpRootNode [2022-12-15 01:59:20,169 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:59:20,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:59:20,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:59:20,170 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:59:20,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:58:18" (3/4) ... [2022-12-15 01:59:20,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:59:20,178 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-15 01:59:20,178 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 01:59:20,179 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 01:59:20,179 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:59:20,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) && i <= 1) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && (length <= i || length / 4611686018427387904 <= 0)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 1)) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr) [2022-12-15 01:59:20,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 01:59:20,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) [2022-12-15 01:59:20,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:59:20,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:59:20,202 INFO L158 Benchmark]: Toolchain (without parser) took 61916.31ms. Allocated memory was 130.0MB in the beginning and 226.5MB in the end (delta: 96.5MB). Free memory was 98.2MB in the beginning and 100.6MB in the end (delta: -2.3MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2022-12-15 01:59:20,203 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:59:20,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.02ms. Allocated memory is still 130.0MB. Free memory was 98.2MB in the beginning and 80.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 01:59:20,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.12ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:59:20,203 INFO L158 Benchmark]: Boogie Preprocessor took 16.36ms. Allocated memory is still 130.0MB. Free memory was 78.9MB in the beginning and 77.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:59:20,204 INFO L158 Benchmark]: RCFGBuilder took 316.74ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 62.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:59:20,204 INFO L158 Benchmark]: CodeCheck took 61249.32ms. Allocated memory was 130.0MB in the beginning and 226.5MB in the end (delta: 96.5MB). Free memory was 62.9MB in the beginning and 103.7MB in the end (delta: -40.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2022-12-15 01:59:20,205 INFO L158 Benchmark]: Witness Printer took 32.33ms. Allocated memory is still 226.5MB. Free memory was 103.7MB in the beginning and 100.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:59:20,207 INFO L339 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, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 60.6s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7862 SdHoareTripleChecker+Valid, 31.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7251 mSDsluCounter, 5168 SdHoareTripleChecker+Invalid, 28.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4743 mSDsCounter, 4478 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21700 IncrementalHoareTripleChecker+Invalid, 26178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4478 mSolverCounterUnsat, 425 mSDtfsCounter, 21700 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7143 GetRequests, 6394 SyntacticMatches, 257 SemanticMatches, 492 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128057 ImplicationChecksByTransitivity, 55.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 601 ConstructedInterpolants, 0 QuantifiedInterpolants, 7866 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 19 PerfectInterpolantSequences, 131/337 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 364]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: ((((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && 1 <= i) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && 1 <= length) && 0 <= arr) && i <= 1) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && \valid[arr] == 1) && (length <= i || length / 4611686018427387904 <= 0)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && !(i <= 1)) && 1 <= length) && arr + i * 4 <= unknown-#length-unknown[arr]) && 0 <= arr)) || (((((((arr + length * 4 <= unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616 && i == 0) && \valid[arr] == 1) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && length / 4611686018427387904 <= 0) && length * 4 == unknown-#length-unknown[arr] + length / 4611686018427387904 * 18446744073709551616) && 1 <= length) && 0 <= arr) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: ((\valid[arr] == 1 && (j + 1 <= 0 || length <= j)) && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) || (((\valid[arr] == 1 && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length*sizeof(int)) := 0]) && arr + length * 4 <= unknown-#length-unknown[arr]) && 0 <= arr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.02ms. Allocated memory is still 130.0MB. Free memory was 98.2MB in the beginning and 80.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.12ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 78.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.36ms. Allocated memory is still 130.0MB. Free memory was 78.9MB in the beginning and 77.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.74ms. Allocated memory is still 130.0MB. Free memory was 77.6MB in the beginning and 62.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 61249.32ms. Allocated memory was 130.0MB in the beginning and 226.5MB in the end (delta: 96.5MB). Free memory was 62.9MB in the beginning and 103.7MB in the end (delta: -40.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * Witness Printer took 32.33ms. Allocated memory is still 226.5MB. Free memory was 103.7MB in the beginning and 100.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:59:20,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e9a45b-ec85-4f34-b5f8-472ca8df5d64/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE