./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg --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 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 --- 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-b5237d8 [2022-11-21 23:09:06,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:09:06,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:09:06,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:09:06,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:09:06,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:09:06,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:09:06,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:09:06,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:09:06,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:09:06,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:09:06,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:09:06,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:09:06,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:09:06,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:09:06,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:09:06,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:09:06,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:09:06,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:09:06,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:09:06,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:09:06,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:09:06,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:09:06,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:09:06,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:09:06,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:09:06,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:09:06,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:09:06,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:09:06,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:09:06,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:09:06,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:09:06,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:09:06,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:09:06,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:09:06,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:09:06,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:09:06,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:09:06,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:09:06,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:09:06,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:09:06,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:09:06,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:09:06,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:09:06,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:09:06,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:09:06,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:09:06,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:09:06,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:09:06,222 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:09:06,222 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:09:06,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:09:06,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:09:06,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:09:06,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:09:06,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:09:06,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:09:06,224 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:09:06,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:09:06,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:09:06,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:09:06,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:09:06,226 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:09:06,226 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:09:06,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:09:06,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:09:06,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:09:06,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:09:06,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:09:06,228 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:09:06,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:09:06,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:09:06,229 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_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 [2022-11-21 23:09:06,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:09:06,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:09:06,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:09:06,609 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:09:06,609 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:09:06,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-11-21 23:09:09,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:09:10,061 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:09:10,066 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-11-21 23:09:10,088 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/data/9525934f3/d680c14d389648eb9eafa5f8538b7772/FLAG499949a75 [2022-11-21 23:09:10,131 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/data/9525934f3/d680c14d389648eb9eafa5f8538b7772 [2022-11-21 23:09:10,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:09:10,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:09:10,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:09:10,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:09:10,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:09:10,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffda3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10, skipping insertion in model container [2022-11-21 23:09:10,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:09:10,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:09:10,678 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_2ce11637-f434-49f0-92bf-4095b1797082/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-11-21 23:09:10,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:09:10,699 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:09:10,754 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_2ce11637-f434-49f0-92bf-4095b1797082/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-11-21 23:09:10,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:09:10,782 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:09:10,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10 WrapperNode [2022-11-21 23:09:10,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:09:10,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:09:10,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:09:10,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:09:10,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,827 INFO L138 Inliner]: procedures = 126, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2022-11-21 23:09:10,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:09:10,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:09:10,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:09:10,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:09:10,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,857 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:09:10,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:09:10,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:09:10,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:09:10,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:09:10" (1/1) ... [2022-11-21 23:09:10,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:09:10,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:09:10,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:09:10,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:09:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-21 23:09:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-21 23:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:09:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:09:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:09:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:09:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:09:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:09:11,123 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:09:11,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:09:11,166 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-21 23:09:11,417 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:09:11,515 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:09:11,515 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:09:11,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:11 BoogieIcfgContainer [2022-11-21 23:09:11,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:09:11,518 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:09:11,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:09:11,526 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:09:11,526 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:11" (1/1) ... [2022-11-21 23:09:11,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:09:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 23:09:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 23:09:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:09:11,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:11,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:11,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-21 23:09:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-21 23:09:11,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:09:11,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:11,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-11-21 23:09:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-21 23:09:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:09:12,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:12,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-11-21 23:09:12,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-21 23:09:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:09:12,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:12,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:13,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-11-21 23:09:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-21 23:09:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:09:13,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:13,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2022-11-21 23:09:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2022-11-21 23:09:13,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:09:13,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:13,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2022-11-21 23:09:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2022-11-21 23:09:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:09:14,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:09:14,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2022-11-21 23:09:14,441 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2022-11-21 23:09:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:09:14,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:09:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2022-11-21 23:09:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2022-11-21 23:09:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:09:14,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:14,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:09:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:15,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2022-11-21 23:09:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-21 23:09:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:09:15,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:15,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:09:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-11-21 23:09:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-11-21 23:09:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:09:15,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:15,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:15,703 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:09:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-11-21 23:09:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-21 23:09:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:09:15,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:15,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:09:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-11-21 23:09:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-11-21 23:09:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:09:16,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:16,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:09:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2022-11-21 23:09:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-21 23:09:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:09:16,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:16,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:09:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2022-11-21 23:09:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-21 23:09:16,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:09:16,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:16,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:09:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-21 23:09:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-21 23:09:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:09:16,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:09:16,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:09:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:09:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:09:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:09:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2022-11-21 23:09:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-21 23:09:16,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:09:16,940 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-11-21 23:09:16,949 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:09:17,098 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 23:09:17,106 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-21 23:09:17,107 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:09:17,107 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:09:17,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:09:17 ImpRootNode [2022-11-21 23:09:17,108 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:09:17,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:09:17,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:09:17,108 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:09:17,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:09:11" (3/4) ... [2022-11-21 23:09:17,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:09:17,118 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2022-11-21 23:09:17,123 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-21 23:09:17,123 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 23:09:17,123 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:09:17,123 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:09:17,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:09:17,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:09:17,182 INFO L158 Benchmark]: Toolchain (without parser) took 7044.35ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 166.8MB in the beginning and 135.4MB in the end (delta: 31.5MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2022-11-21 23:09:17,183 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 108.6MB in the beginning and 108.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:09:17,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.04ms. Allocated memory is still 195.0MB. Free memory was 166.6MB in the beginning and 151.2MB in the end (delta: 15.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-21 23:09:17,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.62ms. Allocated memory is still 195.0MB. Free memory was 151.2MB in the beginning and 149.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:09:17,190 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 195.0MB. Free memory was 149.0MB in the beginning and 147.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:09:17,190 INFO L158 Benchmark]: RCFGBuilder took 656.20ms. Allocated memory is still 195.0MB. Free memory was 147.0MB in the beginning and 154.3MB in the end (delta: -7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:09:17,191 INFO L158 Benchmark]: CodeCheck took 5589.25ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 154.3MB in the beginning and 139.4MB in the end (delta: 15.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2022-11-21 23:09:17,191 INFO L158 Benchmark]: Witness Printer took 73.45ms. Allocated memory is still 234.9MB. Free memory was 138.5MB in the beginning and 135.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:09:17,193 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, 27 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 965 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 664 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 358 mSDsCounter, 521 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2084 IncrementalHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 521 mSolverCounterUnsat, 306 mSDtfsCounter, 2084 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1617 GetRequests, 1499 SyntacticMatches, 24 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3872 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 46/72 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: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 0 <= i && i <= 1 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((2 <= len && len <= 2) && len <= 1) || (2 == len && len == len) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: i <= 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory was 108.6MB in the beginning and 108.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.04ms. Allocated memory is still 195.0MB. Free memory was 166.6MB in the beginning and 151.2MB in the end (delta: 15.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.62ms. Allocated memory is still 195.0MB. Free memory was 151.2MB in the beginning and 149.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 195.0MB. Free memory was 149.0MB in the beginning and 147.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.20ms. Allocated memory is still 195.0MB. Free memory was 147.0MB in the beginning and 154.3MB in the end (delta: -7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 5589.25ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 154.3MB in the beginning and 139.4MB in the end (delta: 15.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Witness Printer took 73.45ms. Allocated memory is still 234.9MB. Free memory was 138.5MB in the beginning and 135.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:09:17,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ce11637-f434-49f0-92bf-4095b1797082/bin/ukojak-jW3SillKbg/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