./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 552504b8dd67a1f0b5535e7605bdb089a6d97e479e395554cfd041029e9dab91 --- 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-e04fb08 [2022-11-16 06:24:24,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:24:24,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:24:24,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:24:24,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:24:24,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:24:24,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:24:24,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:24:24,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:24:24,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:24:24,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:24:24,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:24:24,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:24:24,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:24:24,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:24:24,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:24:24,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:24:24,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:24:24,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:24:24,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:24:24,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:24:24,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:24:24,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:24:24,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:24:24,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:24:24,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:24:24,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:24:24,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:24:24,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:24:24,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:24:24,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:24:24,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:24:24,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:24:24,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:24:24,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:24:24,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:24:24,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:24:24,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:24:24,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:24:24,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:24:24,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:24:24,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 06:24:24,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:24:24,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:24:24,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 06:24:24,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 06:24:24,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:24:24,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:24:24,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:24:24,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 06:24:24,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:24:24,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 06:24:24,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:24:24,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 06:24:24,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:24:24,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 06:24:24,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 06:24:24,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 06:24:24,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:24:24,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 06:24:24,600 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 06:24:24,600 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 06:24:24,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:24:24,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:24:24,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:24:24,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:24:24,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 06:24:24,602 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 06:24:24,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:24:24,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 06:24:24,602 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_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552504b8dd67a1f0b5535e7605bdb089a6d97e479e395554cfd041029e9dab91 [2022-11-16 06:24:24,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:24:24,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:24:24,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:24:24,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:24:24,963 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:24:24,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i [2022-11-16 06:24:25,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/data/8aa1a0bbd/0b2638fa5e32464c93051988ed9474a4/FLAG735f140a5 [2022-11-16 06:24:25,659 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:24:25,659 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i [2022-11-16 06:24:25,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/data/8aa1a0bbd/0b2638fa5e32464c93051988ed9474a4/FLAG735f140a5 [2022-11-16 06:24:26,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/data/8aa1a0bbd/0b2638fa5e32464c93051988ed9474a4 [2022-11-16 06:24:26,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:24:26,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 06:24:26,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:24:26,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:24:26,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:24:26,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b82b607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26, skipping insertion in model container [2022-11-16 06:24:26,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:24:26,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:24:26,259 WARN L229 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_c45ce0c0-ae49-4cc9-891e-751134318c5e/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i[310,323] [2022-11-16 06:24:26,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:24:26,307 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:24:26,325 WARN L229 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_c45ce0c0-ae49-4cc9-891e-751134318c5e/sv-benchmarks/c/ldv-regression/nested_structure_noptr-2.i[310,323] [2022-11-16 06:24:26,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:24:26,355 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:24:26,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26 WrapperNode [2022-11-16 06:24:26,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:24:26,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:24:26,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:24:26,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:24:26,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,404 INFO L138 Inliner]: procedures = 13, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-11-16 06:24:26,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:24:26,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:24:26,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:24:26,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:24:26,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:24:26,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:24:26,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:24:26,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:24:26,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:24:26,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 06:24:26,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 06:24:26,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 06:24:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 06:24:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 06:24:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 06:24:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 06:24:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:24:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:24:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 06:24:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 06:24:26,674 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:24:26,676 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:24:26,834 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:24:26,856 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:24:26,856 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 06:24:26,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:24:26 BoogieIcfgContainer [2022-11-16 06:24:26,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:24:26,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 06:24:26,861 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 06:24:26,877 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 06:24:26,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:24:26" (1/1) ... [2022-11-16 06:24:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:24:26,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-11-16 06:24:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-11-16 06:24:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 06:24:26,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:24:26,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:24:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:24:27,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:24:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:24:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-11-16 06:24:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-11-16 06:24:27,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 06:24:27,383 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-11-16 06:24:27,416 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-16 06:24:27,434 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-16 06:24:27,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 16.11 06:24:27 ImpRootNode [2022-11-16 06:24:27,439 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-16 06:24:27,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 06:24:27,447 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 06:24:27,447 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 06:24:27,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:24:26" (3/4) ... [2022-11-16 06:24:27,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 06:24:27,479 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 06:24:27,479 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 06:24:27,479 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 06:24:27,480 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 06:24:27,553 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/witness.graphml [2022-11-16 06:24:27,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 06:24:27,560 INFO L158 Benchmark]: Toolchain (without parser) took 1546.10ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 82.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-16 06:24:27,561 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 136.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 06:24:27,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.83ms. Allocated memory is still 136.3MB. Free memory was 101.0MB in the beginning and 112.4MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 06:24:27,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.62ms. Allocated memory is still 136.3MB. Free memory was 112.4MB in the beginning and 111.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 06:24:27,564 INFO L158 Benchmark]: Boogie Preprocessor took 56.19ms. Allocated memory is still 136.3MB. Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 06:24:27,565 INFO L158 Benchmark]: RCFGBuilder took 396.47ms. Allocated memory is still 136.3MB. Free memory was 109.9MB in the beginning and 100.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 06:24:27,565 INFO L158 Benchmark]: CodeCheck took 578.95ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 84.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 06:24:27,567 INFO L158 Benchmark]: Witness Printer took 118.77ms. Allocated memory is still 136.3MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 06:24:27,572 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 136.3MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.83ms. Allocated memory is still 136.3MB. Free memory was 101.0MB in the beginning and 112.4MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.62ms. Allocated memory is still 136.3MB. Free memory was 112.4MB in the beginning and 111.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.19ms. Allocated memory is still 136.3MB. Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.47ms. Allocated memory is still 136.3MB. Free memory was 109.9MB in the beginning and 100.0MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 578.95ms. Allocated memory is still 136.3MB. Free memory was 100.0MB in the beginning and 84.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 118.77ms. Allocated memory is still 136.3MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-16 06:24:27,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45ce0c0-ae49-4cc9-891e-751134318c5e/bin/ukojak-CydTVMUXoH/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