./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/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_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/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_818f52ad-ec95-432b-bdf8-7a3a44e7c516/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_818f52ad-ec95-432b-bdf8-7a3a44e7c516/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 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-6b4ec56 [2022-11-20 16:57:12,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:57:12,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:57:12,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:57:12,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:57:12,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:57:12,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:57:12,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:57:12,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:57:12,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:57:12,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:57:12,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:57:12,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:57:12,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:57:12,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:57:12,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:57:12,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:57:12,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:57:12,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:57:12,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:57:12,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:57:12,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:57:12,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:57:12,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:57:12,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:57:12,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:57:12,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:57:12,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:57:12,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:57:12,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:57:12,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:57:12,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:57:12,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:57:12,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:57:12,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:57:12,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:57:12,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:57:12,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:57:12,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:57:12,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:57:12,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:57:12,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:57:12,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:57:12,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:57:12,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:57:12,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:57:12,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:57:12,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:57:12,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:57:12,303 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:57:12,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:57:12,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:57:12,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:57:12,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:57:12,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:57:12,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:57:12,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:57:12,305 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:57:12,305 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:57:12,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:57:12,306 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:57:12,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:57:12,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:57:12,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:57:12,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:57:12,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:57:12,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:57:12,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:57:12,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:57:12,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:57:12,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:57:12,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:57:12,308 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_818f52ad-ec95-432b-bdf8-7a3a44e7c516/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5c55d9a4a2ded389ff7ce077afdc88fb2d2855921e5fd1e3b93fbba7e140e8 [2022-11-20 16:57:12,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:57:12,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:57:12,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:57:12,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:57:12,660 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:57:12,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-11-20 16:57:15,708 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:57:15,991 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:57:15,992 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i [2022-11-20 16:57:16,007 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/data/1f3cd08f5/c5f02c491c114c8ea9eb7268c3390dd1/FLAG8dff1af00 [2022-11-20 16:57:16,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/data/1f3cd08f5/c5f02c491c114c8ea9eb7268c3390dd1 [2022-11-20 16:57:16,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:57:16,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:57:16,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:57:16,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:57:16,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:57:16,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b134ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16, skipping insertion in model container [2022-11-20 16:57:16,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:57:16,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:57:16,498 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_818f52ad-ec95-432b-bdf8-7a3a44e7c516/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-11-20 16:57:16,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:57:16,509 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:57:16,562 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_818f52ad-ec95-432b-bdf8-7a3a44e7c516/sv-benchmarks/c/list-simple/dll2n_remove_all_reverse.i[24275,24288] [2022-11-20 16:57:16,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:57:16,596 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:57:16,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16 WrapperNode [2022-11-20 16:57:16,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:57:16,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:57:16,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:57:16,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:57:16,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,650 INFO L138 Inliner]: procedures = 126, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2022-11-20 16:57:16,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:57:16,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:57:16,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:57:16,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:57:16,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,678 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:57:16,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:57:16,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:57:16,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:57:16,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:57:16" (1/1) ... [2022-11-20 16:57:16,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:57:16,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:57:16,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:57:16,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:57:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-11-20 16:57:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-11-20 16:57:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:57:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:57:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:57:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:57:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 16:57:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 16:57:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:57:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 16:57:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:57:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:57:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:57:16,877 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:57:16,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:57:16,921 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-11-20 16:57:17,149 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:57:17,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:57:17,222 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 16:57:17,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:57:17 BoogieIcfgContainer [2022-11-20 16:57:17,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:57:17,226 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:57:17,226 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:57:17,236 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:57:17,237 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:57:17" (1/1) ... [2022-11-20 16:57:17,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:57:17,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 16:57:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 16:57:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 16:57:17,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:17,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:17,533 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 16:57:17,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:17,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-20 16:57:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-20 16:57:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:57:17,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:17,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:17,804 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 16:57:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:17,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2022-11-20 16:57:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2022-11-20 16:57:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:57:17,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:17,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:18,066 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 16:57:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-11-20 16:57:18,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-20 16:57:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:57:18,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:18,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-11-20 16:57:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-20 16:57:18,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:57:18,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:19,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:19,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2022-11-20 16:57:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2022-11-20 16:57:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:57:19,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:19,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:19,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2022-11-20 16:57:19,844 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2022-11-20 16:57:19,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:57:19,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:19,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:57:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2022-11-20 16:57:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2022-11-20 16:57:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:57:20,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:20,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:57:20,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2022-11-20 16:57:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2022-11-20 16:57:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:57:20,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:20,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:20,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:57:20,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:20,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2022-11-20 16:57:20,815 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-20 16:57:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:57:20,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:20,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:57:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-11-20 16:57:21,195 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-11-20 16:57:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:57:21,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:21,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:57:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:21,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-11-20 16:57:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-20 16:57:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:57:21,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:21,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:57:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-11-20 16:57:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-11-20 16:57:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:57:22,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:22,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:57:22,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2022-11-20 16:57:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-20 16:57:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:57:22,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:22,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:22,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:57:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2022-11-20 16:57:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-20 16:57:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:57:22,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:22,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:57:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-20 16:57:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-20 16:57:22,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:57:22,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:22,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:57:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2022-11-20 16:57:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-20 16:57:22,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:57:22,638 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-11-20 16:57:22,646 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 16:57:22,792 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 16:57:22,800 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 16:57:22,801 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 16:57:22,801 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:57:22,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:57:22 ImpRootNode [2022-11-20 16:57:22,802 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:57:22,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:57:22,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:57:22,803 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:57:22,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:57:17" (3/4) ... [2022-11-20 16:57:22,807 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:57:22,812 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure myexit [2022-11-20 16:57:22,817 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 16:57:22,817 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 16:57:22,817 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:57:22,818 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:57:22,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:57:22,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:57:22,864 INFO L158 Benchmark]: Toolchain (without parser) took 6838.45ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 123.1MB in the beginning and 62.4MB in the end (delta: 60.7MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2022-11-20 16:57:22,864 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:57:22,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.75ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 118.5MB in the end (delta: 4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:57:22,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.46ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 116.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:57:22,865 INFO L158 Benchmark]: Boogie Preprocessor took 30.66ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 115.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:57:22,866 INFO L158 Benchmark]: RCFGBuilder took 542.72ms. Allocated memory is still 157.3MB. Free memory was 115.3MB in the beginning and 96.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:57:22,866 INFO L158 Benchmark]: CodeCheck took 5575.95ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 96.4MB in the beginning and 65.5MB in the end (delta: 30.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-20 16:57:22,867 INFO L158 Benchmark]: Witness Printer took 61.13ms. Allocated memory is still 188.7MB. Free memory was 65.5MB in the beginning and 62.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:57:22,869 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, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 664 SdHoareTripleChecker+Invalid, 5.1s 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, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s 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 0.26ms. Allocated memory is still 130.0MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.75ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 118.5MB in the end (delta: 4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.46ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 116.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.66ms. Allocated memory is still 157.3MB. Free memory was 116.6MB in the beginning and 115.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.72ms. Allocated memory is still 157.3MB. Free memory was 115.3MB in the beginning and 96.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5575.95ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 96.4MB in the beginning and 65.5MB in the end (delta: 30.9MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. * Witness Printer took 61.13ms. Allocated memory is still 188.7MB. Free memory was 65.5MB in the beginning and 62.4MB 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! [2022-11-20 16:57:22,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818f52ad-ec95-432b-bdf8-7a3a44e7c516/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