./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/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_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/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 32bit --witnessprinter.graph.data.programhash d3ed36aa6701f38e4437e494734e2c4cd3d174950cdc9cef44311577dda2ee95 --- 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 18:53:13,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:53:13,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:53:13,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:53:13,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:53:13,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:53:13,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:53:13,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:53:13,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:53:13,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:53:13,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:53:13,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:53:13,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:53:13,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:53:13,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:53:13,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:53:13,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:53:13,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:53:13,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:53:13,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:53:13,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:53:13,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:53:13,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:53:13,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:53:13,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:53:13,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:53:13,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:53:13,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:53:13,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:53:13,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:53:13,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:53:13,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:53:13,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:53:13,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:53:13,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:53:13,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:53:13,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:53:13,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:53:13,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:53:13,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:53:13,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:53:13,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 18:53:13,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:53:13,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:53:13,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:53:13,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:53:13,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:53:13,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:53:13,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:53:13,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:53:13,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:53:13,826 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:53:13,826 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:53:13,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:53:13,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:53:13,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:53:13,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:53:13,826 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:53:13,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:53:13,826 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_81138ad8-94e5-421e-a9a3-237c77d603ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ed36aa6701f38e4437e494734e2c4cd3d174950cdc9cef44311577dda2ee95 [2022-12-14 18:53:14,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:53:14,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:53:14,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:53:14,053 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:53:14,053 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:53:14,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c [2022-12-14 18:53:16,614 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:53:16,728 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:53:16,729 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c [2022-12-14 18:53:16,733 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/data/0f82979a8/a1c6a62c6006422698bd8571cb0144b1/FLAGaf614c13e [2022-12-14 18:53:16,743 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/data/0f82979a8/a1c6a62c6006422698bd8571cb0144b1 [2022-12-14 18:53:16,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:53:16,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:53:16,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:53:16,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:53:16,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:53:16,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f5a761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16, skipping insertion in model container [2022-12-14 18:53:16,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:53:16,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:53:16,862 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_81138ad8-94e5-421e-a9a3-237c77d603ca/sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c[386,399] [2022-12-14 18:53:16,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:53:16,882 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:53:16,890 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_81138ad8-94e5-421e-a9a3-237c77d603ca/sv-benchmarks/c/loops/veris.c_sendmail_tTflag_arr_one_loop.c[386,399] [2022-12-14 18:53:16,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:53:16,905 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:53:16,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16 WrapperNode [2022-12-14 18:53:16,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:53:16,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:53:16,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:53:16,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:53:16,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,936 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-14 18:53:16,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:53:16,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:53:16,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:53:16,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:53:16,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,957 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:53:16,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:53:16,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:53:16,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:53:16,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:16" (1/1) ... [2022-12-14 18:53:16,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:53:16,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:53:16,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:53:16,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:53:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:53:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:53:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:53:17,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:53:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:53:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:53:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:53:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:53:17,088 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:53:17,090 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:53:17,227 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:53:17,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:53:17,261 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:53:17,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:53:17 BoogieIcfgContainer [2022-12-14 18:53:17,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:53:17,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:53:17,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:53:17,274 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:53:17,274 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:53:17" (1/1) ... [2022-12-14 18:53:17,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:53:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-12-14 18:53:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-14 18:53:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:53:17,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:17,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:17,481 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 18:53:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-14 18:53:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 18:53:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:53:17,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:17,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:17,620 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 18:53:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-12-14 18:53:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-12-14 18:53:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:53:17,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:17,752 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 18:53:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 18:53:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 18:53:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:53:17,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:17,895 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 18:53:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-12-14 18:53:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-14 18:53:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:53:18,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:18,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:18,035 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 18:53:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-12-14 18:53:18,048 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-12-14 18:53:18,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:53:18,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:18,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:18,129 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 18:53:18,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-12-14 18:53:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-12-14 18:53:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:53:18,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:18,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:53:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-14 18:53:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-14 18:53:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:53:18,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:18,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:18,521 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 18:53:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-12-14 18:53:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-12-14 18:53:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:53:18,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:18,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:18,574 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 18:53:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-14 18:53:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-14 18:53:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:53:18,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:18,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 18:53:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-12-14 18:53:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-12-14 18:53:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:53:18,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:18,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:19,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-12-14 18:53:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-12-14 18:53:19,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:53:19,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:19,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-12-14 18:53:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-12-14 18:53:19,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:53:19,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-12-14 18:53:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-14 18:53:20,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:53:20,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:20,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:20,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2022-12-14 18:53:20,654 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-12-14 18:53:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:53:20,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:20,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2022-12-14 18:53:21,308 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-14 18:53:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:53:21,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:21,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2022-12-14 18:53:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-12-14 18:53:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 18:53:21,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:21,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2022-12-14 18:53:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-12-14 18:53:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:53:22,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:22,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2022-12-14 18:53:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-12-14 18:53:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:53:23,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:23,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:53:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-12-14 18:53:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-12-14 18:53:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:53:24,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:24,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:24,659 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2022-12-14 18:53:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-12-14 18:53:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:53:25,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:25,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:25,379 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-12-14 18:53:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-12-14 18:53:25,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:53:25,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:25,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2022-12-14 18:53:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-12-14 18:53:26,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:53:26,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:26,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2022-12-14 18:53:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-12-14 18:53:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:53:30,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:30,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2022-12-14 18:53:33,178 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-12-14 18:53:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:53:33,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:33,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-12-14 18:53:33,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:33,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2022-12-14 18:53:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-12-14 18:53:33,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:53:33,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:33,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:34,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2022-12-14 18:53:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-12-14 18:53:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:53:34,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:34,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-14 18:53:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2022-12-14 18:53:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-12-14 18:53:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:53:35,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:35,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:35,954 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:37,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2022-12-14 18:53:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2022-12-14 18:53:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 18:53:37,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:37,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 18:53:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 78 transitions. [2022-12-14 18:53:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2022-12-14 18:53:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 18:53:37,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:37,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 86 transitions. [2022-12-14 18:53:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2022-12-14 18:53:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 18:53:39,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:39,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:40,059 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 18:53:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 88 transitions. [2022-12-14 18:53:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2022-12-14 18:53:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:53:40,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:40,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2022-12-14 18:53:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2022-12-14 18:53:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 18:53:42,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:42,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-14 18:53:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 66 states and 95 transitions. [2022-12-14 18:53:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-12-14 18:53:42,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:53:42,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2022-12-14 18:53:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2022-12-14 18:53:45,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:53:45,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-12-14 18:53:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2022-12-14 18:53:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2022-12-14 18:53:45,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 18:53:45,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:45,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 74 states and 110 transitions. [2022-12-14 18:53:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2022-12-14 18:53:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 18:53:47,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:47,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-12-14 18:53:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 76 states and 112 transitions. [2022-12-14 18:53:48,515 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2022-12-14 18:53:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 18:53:48,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:48,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:53:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:51,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 80 states and 120 transitions. [2022-12-14 18:53:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 120 transitions. [2022-12-14 18:53:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 18:53:51,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:51,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-12-14 18:53:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:53:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 82 states and 122 transitions. [2022-12-14 18:53:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2022-12-14 18:53:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 18:53:51,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:53:51,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:53:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:53:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 18:54:01,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:01,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2022-12-14 18:54:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2022-12-14 18:54:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 18:54:01,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:01,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:01,283 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-12-14 18:54:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2022-12-14 18:54:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-12-14 18:54:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 18:54:01,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:54:01,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:54:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:54:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-12-14 18:54:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:54:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-12-14 18:54:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-14 18:54:03,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:54:03,068 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 43 iterations. [2022-12-14 18:54:03,075 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-12-14 18:54:03,414 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 18:54:03,423 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-12-14 18:54:03,423 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 18:54:03,424 INFO L560 CodeCheckObserver]: Invariant with dag size 71 [2022-12-14 18:54:03,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:54:03 ImpRootNode [2022-12-14 18:54:03,430 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:54:03,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:54:03,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:54:03,430 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:54:03,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:53:17" (3/4) ... [2022-12-14 18:54:03,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:54:03,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-14 18:54:03,439 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 18:54:03,439 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:54:03,439 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:54:03,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && unknown-#length-unknown[in] == 11) && \valid[in] == 1 [2022-12-14 18:54:03,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((3 <= idx_in && idx_in <= 3) && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && 1 <= idx_in) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1) && idx_in + 10 <= unknown-#length-unknown[in])) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && unknown-#length-unknown[in] == 11) && 2 <= idx_in) && idx_in <= 2) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1)) || ((((((5 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in <= 5) && \valid[in] == 1)) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && 9 <= idx_in) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in + 2 <= unknown-#length-unknown[in]) && \valid[in] == 1)) || ((((((7 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1) && idx_in <= 7)) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in <= 8) && 8 <= idx_in) && \valid[in] == 1)) || (((((idx_in == 0 && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1)) || ((((((4 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in <= 4) && \valid[in] == 1)) || ((((((6 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && idx_in <= 6) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1)) || (((((c == 0 && 9 < idx_in) && !(idx_in + 3 <= unknown-#length-unknown[in] && in == 0)) && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && idx_in <= 10) && \valid[in] == 1) [2022-12-14 18:54:03,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-12-14 18:54:03,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 18:54:03,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:54:03,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:54:03,463 INFO L158 Benchmark]: Toolchain (without parser) took 46717.68ms. Allocated memory was 125.8MB in the beginning and 264.2MB in the end (delta: 138.4MB). Free memory was 88.7MB in the beginning and 147.8MB in the end (delta: -59.0MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2022-12-14 18:54:03,463 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:54:03,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.52ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 78.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:54:03,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.15ms. Allocated memory is still 125.8MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:54:03,464 INFO L158 Benchmark]: Boogie Preprocessor took 23.15ms. Allocated memory is still 125.8MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:54:03,465 INFO L158 Benchmark]: RCFGBuilder took 302.42ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 61.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 18:54:03,465 INFO L158 Benchmark]: CodeCheck took 46165.87ms. Allocated memory was 125.8MB in the beginning and 264.2MB in the end (delta: 138.4MB). Free memory was 61.8MB in the beginning and 150.9MB in the end (delta: -89.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-12-14 18:54:03,465 INFO L158 Benchmark]: Witness Printer took 32.64ms. Allocated memory is still 264.2MB. Free memory was 150.9MB in the beginning and 147.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:54:03,467 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, 22 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 45.8s, OverallIterations: 43, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3840 SdHoareTripleChecker+Valid, 19.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3626 mSDsluCounter, 448 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 3230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13590 IncrementalHoareTripleChecker+Invalid, 16820 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3230 mSolverCounterUnsat, 258 mSDtfsCounter, 13590 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7776 GetRequests, 6927 SyntacticMatches, 399 SemanticMatches, 450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95285 ImplicationChecksByTransitivity, 40.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1028 NumberOfCodeBlocks, 1028 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 986 ConstructedInterpolants, 0 QuantifiedInterpolants, 7397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 23 PerfectInterpolantSequences, 2697/3412 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: 8]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && unknown-#length-unknown[in] == 11) && \valid[in] == 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((((3 <= idx_in && idx_in <= 3) && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && 1 <= idx_in) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1) && idx_in + 10 <= unknown-#length-unknown[in])) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && unknown-#length-unknown[in] == 11) && 2 <= idx_in) && idx_in <= 2) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1)) || ((((((5 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in <= 5) && \valid[in] == 1)) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && 9 <= idx_in) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in + 2 <= unknown-#length-unknown[in]) && \valid[in] == 1)) || ((((((7 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1) && idx_in <= 7)) || ((((((\valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in <= 8) && 8 <= idx_in) && \valid[in] == 1)) || (((((idx_in == 0 && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1)) || ((((((4 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && idx_in <= 4) && \valid[in] == 1)) || ((((((6 <= idx_in && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && idx_in <= 6) && in == 0) && unknown-#length-unknown[in] == 11) && unknown-#memory_int-unknown[in][in + 10] == 0) && \valid[in] == 1)) || (((((c == 0 && 9 < idx_in) && !(idx_in + 3 <= unknown-#length-unknown[in] && in == 0)) && \valid[in := 0] == \old(unknown-main_\old_#valid#1-unknown)) && idx_in <= 10) && \valid[in] == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.52ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 78.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.15ms. Allocated memory is still 125.8MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.15ms. Allocated memory is still 125.8MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.42ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 61.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 46165.87ms. Allocated memory was 125.8MB in the beginning and 264.2MB in the end (delta: 138.4MB). Free memory was 61.8MB in the beginning and 150.9MB in the end (delta: -89.1MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Witness Printer took 32.64ms. Allocated memory is still 264.2MB. Free memory was 150.9MB in the beginning and 147.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 18:54:03,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81138ad8-94e5-421e-a9a3-237c77d603ca/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