./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2c_update_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ --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 e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 --- 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-6b4ec56 [2022-11-20 18:20:53,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:20:53,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:20:53,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:20:53,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:20:53,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:20:53,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:20:53,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:20:53,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:20:53,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:20:53,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:20:53,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:20:53,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:20:53,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:20:53,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:20:53,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:20:53,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:20:53,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:20:53,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:20:53,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:20:53,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:20:53,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:20:53,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:20:53,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:20:53,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:20:53,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:20:53,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:20:53,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:20:53,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:20:53,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:20:53,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:20:53,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:20:53,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:20:53,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:20:53,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:20:53,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:20:53,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:20:53,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:20:53,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:20:53,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:20:53,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:20:53,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:20:53,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:20:53,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:20:54,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:20:54,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:20:54,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:20:54,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:20:54,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:20:54,002 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:20:54,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:20:54,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:20:54,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:20:54,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:20:54,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:20:54,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:20:54,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:20:54,004 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:20:54,005 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:20:54,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:20:54,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:20:54,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:20:54,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:20:54,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:20:54,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:20:54,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:20:54,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:20:54,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:20:54,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:20:54,007 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:20:54,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:20:54,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:20:54,008 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_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86102617f1813255879beda7bab492587801800e6506c4c5cd56fb9179f8713 [2022-11-20 18:20:54,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:20:54,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:20:54,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:20:54,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:20:54,346 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:20:54,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/sll2c_update_all.i [2022-11-20 18:20:57,405 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:20:57,746 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:20:57,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/sv-benchmarks/c/list-simple/sll2c_update_all.i [2022-11-20 18:20:57,772 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/data/10e51a7e5/48a61372cf2f48eda3f28b20f89d3cd6/FLAG866c8ba5a [2022-11-20 18:20:57,787 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/data/10e51a7e5/48a61372cf2f48eda3f28b20f89d3cd6 [2022-11-20 18:20:57,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:20:57,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:20:57,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:20:57,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:20:57,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:20:57,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:57" (1/1) ... [2022-11-20 18:20:57,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9f2a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:57, skipping insertion in model container [2022-11-20 18:20:57,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:20:57" (1/1) ... [2022-11-20 18:20:57,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:20:57,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:20:58,166 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_7d7ae6ac-9b10-4991-92ef-de38d2653828/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2022-11-20 18:20:58,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:20:58,176 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:20:58,221 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_7d7ae6ac-9b10-4991-92ef-de38d2653828/sv-benchmarks/c/list-simple/sll2c_update_all.i[24418,24431] [2022-11-20 18:20:58,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:20:58,263 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:20:58,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58 WrapperNode [2022-11-20 18:20:58,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:20:58,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:20:58,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:20:58,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:20:58,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,321 INFO L138 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2022-11-20 18:20:58,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:20:58,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:20:58,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:20:58,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:20:58,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,366 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:20:58,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:20:58,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:20:58,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:20:58,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:20:58" (1/1) ... [2022-11-20 18:20:58,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:20:58,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:20:58,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:20:58,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:20:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:20:58,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:20:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-11-20 18:20:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-11-20 18:20:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:20:58,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:20:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:20:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:20:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:20:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:20:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:20:58,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:20:58,624 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:20:58,625 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:20:58,889 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:20:59,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:20:59,048 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 18:20:59,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:59 BoogieIcfgContainer [2022-11-20 18:20:59,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:20:59,052 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:20:59,052 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:20:59,064 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:20:59,064 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:59" (1/1) ... [2022-11-20 18:20:59,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:20:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-11-20 18:20:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-11-20 18:20:59,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:20:59,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:59,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 59 transitions. [2022-11-20 18:20:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-11-20 18:20:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:20:59,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:20:59,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 64 transitions. [2022-11-20 18:20:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-20 18:20:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:20:59,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:59,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:21:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 66 transitions. [2022-11-20 18:21:00,101 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-11-20 18:21:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:21:00,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:00,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:21:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 83 transitions. [2022-11-20 18:21:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2022-11-20 18:21:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:21:00,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:00,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 85 transitions. [2022-11-20 18:21:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2022-11-20 18:21:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:21:00,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:00,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:21:01,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:01,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 93 transitions. [2022-11-20 18:21:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-11-20 18:21:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:21:01,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:01,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 98 transitions. [2022-11-20 18:21:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2022-11-20 18:21:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:21:01,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:01,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 100 transitions. [2022-11-20 18:21:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2022-11-20 18:21:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:21:02,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 18:21:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 70 transitions. [2022-11-20 18:21:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-20 18:21:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:21:02,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:02,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 71 transitions. [2022-11-20 18:21:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-11-20 18:21:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:21:02,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:02,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:21:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 82 transitions. [2022-11-20 18:21:03,422 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2022-11-20 18:21:03,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:21:03,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:03,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 92 transitions. [2022-11-20 18:21:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2022-11-20 18:21:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:21:04,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:04,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 99 transitions. [2022-11-20 18:21:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2022-11-20 18:21:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:21:04,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:04,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 105 transitions. [2022-11-20 18:21:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2022-11-20 18:21:05,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:21:05,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:05,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:21:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 110 transitions. [2022-11-20 18:21:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2022-11-20 18:21:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:21:06,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:06,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 79 states and 119 transitions. [2022-11-20 18:21:07,495 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 119 transitions. [2022-11-20 18:21:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:21:07,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:07,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 82 states and 124 transitions. [2022-11-20 18:21:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2022-11-20 18:21:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:21:08,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:08,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 18:21:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:08,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 122 transitions. [2022-11-20 18:21:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2022-11-20 18:21:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:21:08,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:08,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:21:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 82 states and 125 transitions. [2022-11-20 18:21:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2022-11-20 18:21:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:21:09,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:09,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:21:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 129 transitions. [2022-11-20 18:21:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2022-11-20 18:21:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:21:09,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:09,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:11,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 136 transitions. [2022-11-20 18:21:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2022-11-20 18:21:11,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:21:11,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:11,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 90 states and 134 transitions. [2022-11-20 18:21:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2022-11-20 18:21:11,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:21:11,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:11,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:11,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:21:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 91 states and 134 transitions. [2022-11-20 18:21:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2022-11-20 18:21:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:21:12,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:21:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 92 states and 135 transitions. [2022-11-20 18:21:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2022-11-20 18:21:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:21:12,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:12,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:21:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 96 states and 139 transitions. [2022-11-20 18:21:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2022-11-20 18:21:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:21:13,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:13,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:21:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 102 states and 145 transitions. [2022-11-20 18:21:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2022-11-20 18:21:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:21:14,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:14,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:21:17,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 154 transitions. [2022-11-20 18:21:17,773 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2022-11-20 18:21:17,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:21:17,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:17,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 18:21:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 156 transitions. [2022-11-20 18:21:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2022-11-20 18:21:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:21:18,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:18,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 18:21:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 58 states and 71 transitions. [2022-11-20 18:21:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2022-11-20 18:21:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:21:21,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:21,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 18:21:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 65 states and 83 transitions. [2022-11-20 18:21:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-11-20 18:21:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 18:21:22,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:22,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 18:21:25,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 75 states and 97 transitions. [2022-11-20 18:21:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-11-20 18:21:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:21:25,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:25,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 79 states and 104 transitions. [2022-11-20 18:21:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2022-11-20 18:21:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:21:27,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:27,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 18:21:27,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 78 states and 103 transitions. [2022-11-20 18:21:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 103 transitions. [2022-11-20 18:21:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:21:27,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:27,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 108 transitions. [2022-11-20 18:21:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 108 transitions. [2022-11-20 18:21:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:21:29,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:29,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 83 states and 108 transitions. [2022-11-20 18:21:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2022-11-20 18:21:29,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:21:29,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:29,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 18:21:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 89 states and 116 transitions. [2022-11-20 18:21:31,427 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 116 transitions. [2022-11-20 18:21:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 18:21:31,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:31,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:31,653 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 18:21:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 96 states and 126 transitions. [2022-11-20 18:21:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 126 transitions. [2022-11-20 18:21:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 18:21:34,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:34,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 105 states and 137 transitions. [2022-11-20 18:21:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2022-11-20 18:21:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 18:21:37,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:37,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 18:21:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 52 states and 55 transitions. [2022-11-20 18:21:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2022-11-20 18:21:41,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:21:41,070 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2022-11-20 18:21:41,079 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-11-20 18:21:41,425 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,429 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-11-20 18:21:41,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,435 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:41,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:41 ImpRootNode [2022-11-20 18:21:41,436 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:41,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:41,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:41,437 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:41,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:20:59" (3/4) ... [2022-11-20 18:21:41,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:21:41,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2022-11-20 18:21:41,470 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-20 18:21:41,470 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 18:21:41,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:21:41,471 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:21:41,533 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:41,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:41,534 INFO L158 Benchmark]: Toolchain (without parser) took 43742.65ms. Allocated memory was 218.1MB in the beginning and 570.4MB in the end (delta: 352.3MB). Free memory was 187.2MB in the beginning and 240.6MB in the end (delta: -53.4MB). Peak memory consumption was 302.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:41,534 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 63.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:41,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.32ms. Allocated memory is still 218.1MB. Free memory was 186.4MB in the beginning and 169.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:41,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.86ms. Allocated memory is still 218.1MB. Free memory was 169.7MB in the beginning and 167.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:41,538 INFO L158 Benchmark]: Boogie Preprocessor took 48.79ms. Allocated memory is still 218.1MB. Free memory was 167.5MB in the beginning and 165.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:41,538 INFO L158 Benchmark]: RCFGBuilder took 680.10ms. Allocated memory is still 218.1MB. Free memory was 165.5MB in the beginning and 145.3MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:21:41,539 INFO L158 Benchmark]: CodeCheck took 42383.62ms. Allocated memory was 218.1MB in the beginning and 570.4MB in the end (delta: 352.3MB). Free memory was 145.3MB in the beginning and 244.6MB in the end (delta: -99.4MB). Peak memory consumption was 255.9MB. Max. memory is 16.1GB. [2022-11-20 18:21:41,540 INFO L158 Benchmark]: Witness Printer took 96.52ms. Allocated memory is still 570.4MB. Free memory was 244.6MB in the beginning and 240.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:41,542 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, 48 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 42.0s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5761 SdHoareTripleChecker+Valid, 25.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3662 mSDsluCounter, 1640 SdHoareTripleChecker+Invalid, 21.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 490 mSDsCounter, 4334 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16718 IncrementalHoareTripleChecker+Invalid, 21052 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4334 mSolverCounterUnsat, 1150 mSDtfsCounter, 16718 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8605 GetRequests, 8005 SyntacticMatches, 154 SemanticMatches, 446 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100298 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1157 NumberOfCodeBlocks, 1157 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1118 ConstructedInterpolants, 0 QuantifiedInterpolants, 2779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 13 PerfectInterpolantSequences, 312/427 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: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 626]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: 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 14 specifications checked. All of them hold - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: (!(index <= 0) || !(i == 0)) || i == index - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 109.1MB. Free memory was 63.7MB in the beginning and 63.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.32ms. Allocated memory is still 218.1MB. Free memory was 186.4MB in the beginning and 169.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.86ms. Allocated memory is still 218.1MB. Free memory was 169.7MB in the beginning and 167.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.79ms. Allocated memory is still 218.1MB. Free memory was 167.5MB in the beginning and 165.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.10ms. Allocated memory is still 218.1MB. Free memory was 165.5MB in the beginning and 145.3MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 42383.62ms. Allocated memory was 218.1MB in the beginning and 570.4MB in the end (delta: 352.3MB). Free memory was 145.3MB in the beginning and 244.6MB in the end (delta: -99.4MB). Peak memory consumption was 255.9MB. Max. memory is 16.1GB. * Witness Printer took 96.52ms. Allocated memory is still 570.4MB. Free memory was 244.6MB in the beginning and 240.6MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:21:41,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d7ae6ac-9b10-4991-92ef-de38d2653828/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE