./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/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_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 --- 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 03:20:16,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:20:16,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:20:16,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:20:16,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:20:16,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:20:16,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:20:16,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:20:16,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:20:16,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:20:16,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:20:16,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:20:16,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:20:16,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:20:16,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:20:16,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:20:16,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:20:16,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:20:16,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:20:16,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:20:16,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:20:16,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:20:16,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:20:16,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:20:16,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:20:16,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:20:16,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:20:16,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:20:16,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:20:16,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:20:16,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:20:16,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:20:16,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:20:16,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:20:16,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:20:16,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:20:16,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:20:16,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:20:16,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:20:16,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:20:16,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:20:16,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 03:20:16,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:20:16,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:20:16,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:20:16,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:20:16,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:20:16,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:20:16,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:20:16,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:20:16,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:20:16,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:20:16,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:20:16,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:20:16,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:20:16,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:20:16,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:20:16,078 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:20:16,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:20:16,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:20:16,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:20:16,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:20:16,079 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:20:16,079 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:20:16,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:20:16,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:16,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:20:16,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:20:16,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:20:16,080 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:20:16,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:20:16,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:20:16,081 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_0b27209a-0913-470d-bb83-8f5992f133b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db322df1d89bf1549765f136e3e3b8000484c0c3108c31998992cf725d6dcc20 [2022-12-15 03:20:16,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:20:16,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:20:16,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:20:16,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:20:16,305 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:20:16,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2022-12-15 03:20:18,875 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:20:19,094 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:20:19,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/sv-benchmarks/c/memsafety-ext2/split_list_test05-2.i [2022-12-15 03:20:19,105 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/data/18aa4d1f6/c978a996e9d848eaa1e499d6b71b8c50/FLAGc76a98b8d [2022-12-15 03:20:19,457 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/data/18aa4d1f6/c978a996e9d848eaa1e499d6b71b8c50 [2022-12-15 03:20:19,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:20:19,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:20:19,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:19,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:20:19,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:20:19,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645dfb20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19, skipping insertion in model container [2022-12-15 03:20:19,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:20:19,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:20:19,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:19,703 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:20:19,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:19,756 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:20:19,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19 WrapperNode [2022-12-15 03:20:19,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:19,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:19,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:20:19,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:20:19,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,792 INFO L138 Inliner]: procedures = 125, calls = 95, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 288 [2022-12-15 03:20:19,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:19,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:20:19,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:20:19,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:20:19,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:20:19,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:20:19,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:20:19,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:20:19,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:19" (1/1) ... [2022-12-15 03:20:19,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:19,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:20:19,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:20:19,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:20:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:20:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:20:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:20:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure append [2022-12-15 03:20:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2022-12-15 03:20:19,988 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:20:19,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:20:20,330 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:20:20,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:20:20,616 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-15 03:20:20,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:20 BoogieIcfgContainer [2022-12-15 03:20:20,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:20:20,619 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:20:20,619 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:20:20,626 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:20:20,626 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:20" (1/1) ... [2022-12-15 03:20:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:20:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2022-12-15 03:20:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2022-12-15 03:20:20,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 03:20:20,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:20,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-15 03:20:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2022-12-15 03:20:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2022-12-15 03:20:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 03:20:21,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:21,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-15 03:20:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2022-12-15 03:20:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2022-12-15 03:20:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-15 03:20:22,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:22,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-15 03:20:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2022-12-15 03:20:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2022-12-15 03:20:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-15 03:20:23,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:23,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-15 03:20:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 54 states and 81 transitions. [2022-12-15 03:20:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 81 transitions. [2022-12-15 03:20:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 03:20:24,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:24,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-15 03:20:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2022-12-15 03:20:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2022-12-15 03:20:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-15 03:20:24,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-15 03:20:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2022-12-15 03:20:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2022-12-15 03:20:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-15 03:20:25,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:25,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-15 03:20:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2022-12-15 03:20:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2022-12-15 03:20:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 03:20:26,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:26,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:26,757 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-15 03:20:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2022-12-15 03:20:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2022-12-15 03:20:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-15 03:20:26,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-12-15 03:20:27,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2022-12-15 03:20:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2022-12-15 03:20:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 03:20:27,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:27,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-12-15 03:20:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2022-12-15 03:20:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2022-12-15 03:20:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-15 03:20:27,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:27,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-15 03:20:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2022-12-15 03:20:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2022-12-15 03:20:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 03:20:28,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:28,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-15 03:20:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2022-12-15 03:20:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2022-12-15 03:20:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-15 03:20:29,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:29,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-15 03:20:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2022-12-15 03:20:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2022-12-15 03:20:30,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-15 03:20:30,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:30,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-15 03:20:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2022-12-15 03:20:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2022-12-15 03:20:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-15 03:20:32,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:32,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-15 03:20:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2022-12-15 03:20:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-12-15 03:20:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-15 03:20:32,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2022-12-15 03:20:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2022-12-15 03:20:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-12-15 03:20:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 03:20:33,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:33,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-15 03:20:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2022-12-15 03:20:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-12-15 03:20:34,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:20:34,281 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2022-12-15 03:20:34,287 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 03:20:34,371 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,379 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 03:20:34,380 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:20:34,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:20:34 ImpRootNode [2022-12-15 03:20:34,380 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:20:34,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:20:34,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:20:34,380 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:20:34,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:20" (3/4) ... [2022-12-15 03:20:34,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:20:34,387 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2022-12-15 03:20:34,390 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-12-15 03:20:34,391 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-15 03:20:34,391 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:20:34,391 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:20:34,437 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:20:34,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:20:34,437 INFO L158 Benchmark]: Toolchain (without parser) took 14971.15ms. Allocated memory was 148.9MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 115.8MB in the beginning and 722.1MB in the end (delta: -606.3MB). Peak memory consumption was 832.8MB. Max. memory is 16.1GB. [2022-12-15 03:20:34,437 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:20:34,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.96ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 96.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 03:20:34,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.33ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 93.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:20:34,438 INFO L158 Benchmark]: Boogie Preprocessor took 41.83ms. Allocated memory is still 148.9MB. Free memory was 93.8MB in the beginning and 91.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:20:34,438 INFO L158 Benchmark]: RCFGBuilder took 782.53ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 91.2MB in the beginning and 95.4MB in the end (delta: -4.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-15 03:20:34,438 INFO L158 Benchmark]: CodeCheck took 13761.36ms. Allocated memory was 180.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 95.4MB in the beginning and 728.4MB in the end (delta: -633.0MB). Peak memory consumption was 774.2MB. Max. memory is 16.1GB. [2022-12-15 03:20:34,439 INFO L158 Benchmark]: Witness Printer took 56.74ms. Allocated memory is still 1.6GB. Free memory was 728.4MB in the beginning and 722.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-15 03:20:34,440 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 2 procedures, 49 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2645 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 944 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 531 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1360 IncrementalHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 531 mSolverCounterUnsat, 944 mSDtfsCounter, 1360 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6770 GetRequests, 6677 SyntacticMatches, 17 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2693 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1266 NumberOfCodeBlocks, 1266 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1249 ConstructedInterpolants, 0 QuantifiedInterpolants, 1442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 3674/3763 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: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 1 <= counter || counter == 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 <= counter || counter == 0 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.96ms. Allocated memory is still 148.9MB. Free memory was 115.3MB in the beginning and 96.9MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.33ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 93.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.83ms. Allocated memory is still 148.9MB. Free memory was 93.8MB in the beginning and 91.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 782.53ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 91.2MB in the beginning and 95.4MB in the end (delta: -4.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 13761.36ms. Allocated memory was 180.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 95.4MB in the beginning and 728.4MB in the end (delta: -633.0MB). Peak memory consumption was 774.2MB. Max. memory is 16.1GB. * Witness Printer took 56.74ms. Allocated memory is still 1.6GB. Free memory was 728.4MB in the beginning and 722.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:20:34,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b27209a-0913-470d-bb83-8f5992f133b9/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