./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/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_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/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_cf160b03-d33d-4c72-8480-b4b28f435fc9/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 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 --- 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 17:57:14,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:57:14,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:57:14,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:57:14,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:57:14,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:57:14,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:57:14,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:57:14,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:57:14,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:57:14,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:57:14,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:57:14,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:57:14,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:57:14,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:57:14,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:57:14,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:57:14,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:57:14,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:57:14,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:57:14,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:57:14,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:57:14,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:57:14,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:57:14,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:57:14,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:57:14,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:57:14,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:57:14,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:57:14,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:57:14,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:57:14,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:57:14,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:57:14,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:57:14,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:57:14,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:57:14,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:57:14,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:57:14,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:57:14,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:57:14,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:57:14,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:57:14,267 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:57:14,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:57:14,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:57:14,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:57:14,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:57:14,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:57:14,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:57:14,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:57:14,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:57:14,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:57:14,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:57:14,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:57:14,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:57:14,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:57:14,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:57:14,275 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:57:14,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:57:14,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:57:14,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:57:14,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:57:14,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:57:14,277 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:57:14,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:57:14,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:57:14,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:57:14,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:57:14,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:57:14,278 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:57:14,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:57:14,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:57:14,280 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_cf160b03-d33d-4c72-8480-b4b28f435fc9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5247496942546516118f3c28fa350944e097bdf15ee64734ca287a29ad51a034 [2022-11-20 17:57:14,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:57:14,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:57:14,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:57:14,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:57:14,614 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:57:14,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2022-11-20 17:57:17,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:57:17,886 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:57:17,887 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i [2022-11-20 17:57:17,899 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/data/03d574954/272aa8fb11df4ffc9108c60b62dfcc87/FLAG2e6012149 [2022-11-20 17:57:17,913 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/data/03d574954/272aa8fb11df4ffc9108c60b62dfcc87 [2022-11-20 17:57:17,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:57:17,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:57:17,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:57:17,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:57:17,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:57:17,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:17" (1/1) ... [2022-11-20 17:57:17,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3621206b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:17, skipping insertion in model container [2022-11-20 17:57:17,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:17" (1/1) ... [2022-11-20 17:57:17,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:57:17,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:57:18,273 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_cf160b03-d33d-4c72-8480-b4b28f435fc9/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2022-11-20 17:57:18,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:57:18,291 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:57:18,368 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_cf160b03-d33d-4c72-8480-b4b28f435fc9/sv-benchmarks/c/list-simple/dll2c_update_all_reverse.i[24556,24569] [2022-11-20 17:57:18,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:57:18,400 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:57:18,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18 WrapperNode [2022-11-20 17:57:18,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:57:18,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:57:18,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:57:18,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:57:18,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,472 INFO L138 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2022-11-20 17:57:18,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:57:18,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:57:18,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:57:18,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:57:18,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:57:18,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:57:18,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:57:18,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:57:18,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:18" (1/1) ... [2022-11-20 17:57:18,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:57:18,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:57:18,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:57:18,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:57:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:57:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:57:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-11-20 17:57:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-11-20 17:57:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:57:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:57:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:57:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:57:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:57:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:57:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:57:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:57:18,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:57:18,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:57:19,092 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:57:19,234 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:57:19,234 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 17:57:19,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:19 BoogieIcfgContainer [2022-11-20 17:57:19,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:57:19,237 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:57:19,237 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:57:19,249 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:57:19,250 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:19" (1/1) ... [2022-11-20 17:57:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:57:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2022-11-20 17:57:19,334 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-11-20 17:57:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:57:19,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:19,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:19,728 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 17:57:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 67 transitions. [2022-11-20 17:57:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-11-20 17:57:19,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:57:19,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:19,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:20,028 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 17:57:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 71 transitions. [2022-11-20 17:57:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2022-11-20 17:57:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:57:20,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:20,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:20,252 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 17:57:20,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:20,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 72 transitions. [2022-11-20 17:57:20,278 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2022-11-20 17:57:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:57:20,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:20,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:20,446 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 17:57:20,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 68 states and 83 transitions. [2022-11-20 17:57:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2022-11-20 17:57:20,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:57:20,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:20,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:20,820 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 17:57:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 84 transitions. [2022-11-20 17:57:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2022-11-20 17:57:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:57:20,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:20,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:20,940 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 17:57:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 88 transitions. [2022-11-20 17:57:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2022-11-20 17:57:20,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:57:20,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:20,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:21,090 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 17:57:21,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 91 transitions. [2022-11-20 17:57:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2022-11-20 17:57:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:57:21,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:21,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:21,321 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 17:57:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 92 transitions. [2022-11-20 17:57:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2022-11-20 17:57:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:57:21,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:21,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:21,479 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 17:57:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 94 transitions. [2022-11-20 17:57:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 94 transitions. [2022-11-20 17:57:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:57:21,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:21,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:21,762 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 17:57:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 71 transitions. [2022-11-20 17:57:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-20 17:57:21,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:57:21,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:21,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:22,021 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 17:57:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 73 transitions. [2022-11-20 17:57:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2022-11-20 17:57:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:57:22,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:22,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:22,332 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 17:57:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 63 states and 79 transitions. [2022-11-20 17:57:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-20 17:57:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:57:22,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:22,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:22,555 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 17:57:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 83 transitions. [2022-11-20 17:57:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-11-20 17:57:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:57:22,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:22,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:22,901 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 17:57:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 90 transitions. [2022-11-20 17:57:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2022-11-20 17:57:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:57:23,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:23,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:23,334 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 17:57:23,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 67 states and 89 transitions. [2022-11-20 17:57:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2022-11-20 17:57:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:57:23,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:23,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:23,543 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 17:57:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:24,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 70 states and 94 transitions. [2022-11-20 17:57:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2022-11-20 17:57:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:57:24,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:24,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:57:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 97 transitions. [2022-11-20 17:57:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2022-11-20 17:57:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:57:24,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:24,679 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 17:57:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 99 transitions. [2022-11-20 17:57:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-11-20 17:57:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:57:25,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:25,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:57:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 76 states and 101 transitions. [2022-11-20 17:57:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-11-20 17:57:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:57:25,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:25,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:25,400 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 17:57:25,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 102 transitions. [2022-11-20 17:57:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2022-11-20 17:57:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:57:25,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:25,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:57:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 80 states and 103 transitions. [2022-11-20 17:57:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-20 17:57:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:57:25,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:57:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 49 states and 56 transitions. [2022-11-20 17:57:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2022-11-20 17:57:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:57:26,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:26,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:57:26,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 60 transitions. [2022-11-20 17:57:26,353 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-11-20 17:57:26,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:57:26,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:26,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:57:26,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 52 states and 62 transitions. [2022-11-20 17:57:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-20 17:57:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:57:26,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:26,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:57:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 56 states and 65 transitions. [2022-11-20 17:57:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-11-20 17:57:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 17:57:27,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:27,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:27,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:57:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 59 states and 70 transitions. [2022-11-20 17:57:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2022-11-20 17:57:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:57:28,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:28,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:57:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 58 states and 69 transitions. [2022-11-20 17:57:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2022-11-20 17:57:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:57:28,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:28,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:57:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 62 states and 74 transitions. [2022-11-20 17:57:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-20 17:57:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 17:57:28,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:28,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:57:29,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 63 states and 74 transitions. [2022-11-20 17:57:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-11-20 17:57:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 17:57:29,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:29,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:57:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 69 states and 81 transitions. [2022-11-20 17:57:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2022-11-20 17:57:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 17:57:30,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:30,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:57:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 76 states and 91 transitions. [2022-11-20 17:57:31,456 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2022-11-20 17:57:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:57:31,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:57:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:57:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:57:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:57:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:57:33,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 51 states and 55 transitions. [2022-11-20 17:57:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-11-20 17:57:33,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:57:33,384 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2022-11-20 17:57:33,392 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2022-11-20 17:57:33,618 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,624 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,624 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,624 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:57:33,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:57:33 ImpRootNode [2022-11-20 17:57:33,625 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:57:33,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:57:33,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:57:33,626 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:57:33,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:19" (3/4) ... [2022-11-20 17:57:33,633 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:57:33,648 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure node_create [2022-11-20 17:57:33,656 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2022-11-20 17:57:33,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 17:57:33,658 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:57:33,659 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:57:33,736 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:57:33,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:57:33,737 INFO L158 Benchmark]: Toolchain (without parser) took 15821.12ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 126.3MB in the beginning and 136.6MB in the end (delta: -10.3MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2022-11-20 17:57:33,738 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 69.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:57:33,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.40ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 108.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:57:33,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.00ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 106.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:57:33,741 INFO L158 Benchmark]: Boogie Preprocessor took 29.89ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 104.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:57:33,741 INFO L158 Benchmark]: RCFGBuilder took 732.80ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 135.9MB in the end (delta: -31.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-11-20 17:57:33,742 INFO L158 Benchmark]: CodeCheck took 14387.77ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 135.9MB in the beginning and 140.7MB in the end (delta: -4.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-11-20 17:57:33,744 INFO L158 Benchmark]: Witness Printer took 110.99ms. Allocated memory is still 245.4MB. Free memory was 140.7MB in the beginning and 136.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:57:33,746 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, 56 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3115 SdHoareTripleChecker+Valid, 11.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1722 mSDsluCounter, 1230 SdHoareTripleChecker+Invalid, 9.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 1729 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6848 IncrementalHoareTripleChecker+Invalid, 8577 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1729 mSolverCounterUnsat, 850 mSDtfsCounter, 6848 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6118 GetRequests, 5866 SyntacticMatches, 58 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16387 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 859 NumberOfCodeBlocks, 859 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 827 ConstructedInterpolants, 0 QuantifiedInterpolants, 2272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 30 PerfectInterpolantSequences, 224/226 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: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - 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 0.25ms. Allocated memory is still 125.8MB. Free memory was 70.1MB in the beginning and 69.9MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.40ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 108.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.00ms. Allocated memory is still 167.8MB. Free memory was 108.5MB in the beginning and 106.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.89ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 104.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 732.80ms. Allocated memory is still 167.8MB. Free memory was 104.3MB in the beginning and 135.9MB in the end (delta: -31.6MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * CodeCheck took 14387.77ms. Allocated memory was 167.8MB in the beginning and 245.4MB in the end (delta: 77.6MB). Free memory was 135.9MB in the beginning and 140.7MB in the end (delta: -4.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Witness Printer took 110.99ms. Allocated memory is still 245.4MB. Free memory was 140.7MB in the beginning and 136.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:57:33,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf160b03-d33d-4c72-8480-b4b28f435fc9/bin/ukojak-pZX7IvK2PQ/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