./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:40:44,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:40:44,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:40:44,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:40:44,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:40:44,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:40:44,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:40:44,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:40:44,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:40:44,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:40:44,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:40:44,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:40:44,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:40:44,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:40:44,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:40:44,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:40:44,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:40:44,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:40:44,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:40:44,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:40:44,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:40:44,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:40:44,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:40:44,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:40:44,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:40:44,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:40:44,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:40:44,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:40:44,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:40:44,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:40:44,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:40:44,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:40:44,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:40:44,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:40:44,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:40:44,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:40:44,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:40:44,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:40:44,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:40:44,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:40:44,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:40:44,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 01:40:44,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:40:44,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:40:44,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:40:44,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:40:44,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:40:44,487 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:40:44,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:40:44,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:40:44,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:40:44,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:40:44,488 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 01:40:44,488 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 01:40:44,488 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 01:40:44,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:40:44,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:40:44,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:40:44,488 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:40:44,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:40:44,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:40:44,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:40:44,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:40:44,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:40:44,489 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:40:44,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:40:44,489 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_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2022-12-15 01:40:44,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:40:44,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:40:44,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:40:44,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:40:44,670 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:40:44,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2022-12-15 01:40:47,277 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:40:47,428 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:40:47,428 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2022-12-15 01:40:47,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/data/3f667fa8a/20ce9d98ec4d4f54b36adfc2ec0846f7/FLAGd5b2f3020 [2022-12-15 01:40:47,446 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/data/3f667fa8a/20ce9d98ec4d4f54b36adfc2ec0846f7 [2022-12-15 01:40:47,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:40:47,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:40:47,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:40:47,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:40:47,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:40:47,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af8c637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47, skipping insertion in model container [2022-12-15 01:40:47,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:40:47,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:40:47,593 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_fdb57ba8-919a-434e-90e9-a4c17799df92/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2022-12-15 01:40:47,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:40:47,615 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:40:47,624 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_fdb57ba8-919a-434e-90e9-a4c17799df92/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2022-12-15 01:40:47,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:40:47,640 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:40:47,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47 WrapperNode [2022-12-15 01:40:47,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:40:47,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:40:47,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:40:47,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:40:47,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,665 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2022-12-15 01:40:47,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:40:47,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:40:47,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:40:47,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:40:47,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:40:47,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:40:47,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:40:47,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:40:47,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:40:47,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:40:47,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:40:47,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:40:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:40:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:40:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:40:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:40:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:40:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:40:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:40:47,813 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:40:47,814 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:40:47,917 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:40:47,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:40:47,938 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:40:47,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:40:47 BoogieIcfgContainer [2022-12-15 01:40:47,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:40:47,940 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:40:47,940 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:40:47,948 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:40:47,948 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:40:47" (1/1) ... [2022-12-15 01:40:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:40:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-12-15 01:40:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-12-15 01:40:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 01:40:47,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:47,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:48,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:48,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-12-15 01:40:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-12-15 01:40:48,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:40:48,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:48,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-15 01:40:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-15 01:40:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:40:48,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:48,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-12-15 01:40:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-12-15 01:40:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:40:48,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-12-15 01:40:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-12-15 01:40:49,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:40:49,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:49,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-12-15 01:40:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-12-15 01:40:49,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:40:49,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:49,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-12-15 01:40:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-12-15 01:40:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:40:49,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2022-12-15 01:40:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-12-15 01:40:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:40:50,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:50,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-12-15 01:40:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-12-15 01:40:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:40:50,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:50,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2022-12-15 01:40:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-12-15 01:40:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:40:51,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:51,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2022-12-15 01:40:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2022-12-15 01:40:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:40:51,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:51,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2022-12-15 01:40:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-12-15 01:40:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:40:52,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:52,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2022-12-15 01:40:52,248 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2022-12-15 01:40:52,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:40:52,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:40:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2022-12-15 01:40:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2022-12-15 01:40:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:40:53,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:53,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:40:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 94 transitions. [2022-12-15 01:40:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2022-12-15 01:40:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:40:54,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:54,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:40:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2022-12-15 01:40:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2022-12-15 01:40:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:40:54,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:54,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:40:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 100 transitions. [2022-12-15 01:40:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2022-12-15 01:40:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:40:55,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:55,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:40:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:56,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2022-12-15 01:40:56,664 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2022-12-15 01:40:56,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:40:56,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:56,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 111 transitions. [2022-12-15 01:40:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2022-12-15 01:40:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:40:57,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:40:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:40:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:40:57,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:40:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:40:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-15 01:40:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-15 01:40:58,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:40:58,700 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-15 01:40:58,705 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 01:40:58,957 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 01:40:58,965 INFO L560 CodeCheckObserver]: Invariant with dag size 33 [2022-12-15 01:40:58,967 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-12-15 01:40:58,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:40:58 ImpRootNode [2022-12-15 01:40:58,969 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:40:58,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:40:58,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:40:58,969 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:40:58,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:40:47" (3/4) ... [2022-12-15 01:40:58,971 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:40:58,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-15 01:40:58,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 01:40:58,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 01:40:58,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:40:58,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0] && !(p <= pathlim && p == pathlim)) || (((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && pathlim <= 4) && pathlim <= tmp)) || ((((((pathlim <= p && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && 4 <= p) && pathlim <= tmp) && p + 4 <= unknown-#length-unknown[p]) [2022-12-15 01:40:58,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && p == pathlim) && pathlim <= 4) && pathlim <= tmp) || ((((((pathlim <= p && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && 4 <= p) && pathlim <= tmp) && p + 4 <= unknown-#length-unknown[p]) [2022-12-15 01:40:58,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 01:40:59,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:40:59,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:40:59,002 INFO L158 Benchmark]: Toolchain (without parser) took 11552.51ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 98.5MB in the beginning and 77.6MB in the end (delta: 20.9MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2022-12-15 01:40:59,002 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 136.3MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:40:59,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.06ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 88.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:40:59,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.71ms. Allocated memory is still 136.3MB. Free memory was 88.1MB in the beginning and 86.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:40:59,004 INFO L158 Benchmark]: Boogie Preprocessor took 20.16ms. Allocated memory is still 136.3MB. Free memory was 86.8MB in the beginning and 85.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:40:59,004 INFO L158 Benchmark]: RCFGBuilder took 252.14ms. Allocated memory is still 136.3MB. Free memory was 85.5MB in the beginning and 73.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:40:59,005 INFO L158 Benchmark]: CodeCheck took 11028.38ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 73.4MB in the beginning and 80.8MB in the end (delta: -7.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2022-12-15 01:40:59,005 INFO L158 Benchmark]: Witness Printer took 32.59ms. Allocated memory is still 195.0MB. Free memory was 80.8MB in the beginning and 77.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:40:59,008 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 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1029 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 900 mSDsluCounter, 521 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 450 mSDsCounter, 896 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3583 IncrementalHoareTripleChecker+Invalid, 4479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 896 mSolverCounterUnsat, 71 mSDtfsCounter, 3583 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1615 GetRequests, 1367 SyntacticMatches, 30 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21046 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 879 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 52/83 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: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 38]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && p == pathlim) && pathlim <= 4) && pathlim <= tmp) || ((((((pathlim <= p && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && 4 <= p) && pathlim <= tmp) && p + 4 <= unknown-#length-unknown[p]) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((\old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0] && !(p <= pathlim && p == pathlim)) || (((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && pathlim <= 4) && pathlim <= tmp)) || ((((((pathlim <= p && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && 4 <= p) && pathlim <= tmp) && p + 4 <= unknown-#length-unknown[p]) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 136.3MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.06ms. Allocated memory is still 136.3MB. Free memory was 98.5MB in the beginning and 88.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.71ms. Allocated memory is still 136.3MB. Free memory was 88.1MB in the beginning and 86.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.16ms. Allocated memory is still 136.3MB. Free memory was 86.8MB in the beginning and 85.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.14ms. Allocated memory is still 136.3MB. Free memory was 85.5MB in the beginning and 73.4MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 11028.38ms. Allocated memory was 136.3MB in the beginning and 195.0MB in the end (delta: 58.7MB). Free memory was 73.4MB in the beginning and 80.8MB in the end (delta: -7.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Witness Printer took 32.59ms. Allocated memory is still 195.0MB. Free memory was 80.8MB in the beginning and 77.6MB 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! [2022-12-15 01:40:59,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdb57ba8-919a-434e-90e9-a4c17799df92/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE