./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test28-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test28-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB --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 6c511505c8997149f6161c9d2f8577095c5b8fbe5036e88e3ff0dd12fc7ed028 --- 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-dbf71c6-m [2022-10-17 16:46:30,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:30,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:30,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:30,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:30,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:30,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:30,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:30,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:30,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:30,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:30,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:30,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:30,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:30,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:30,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:30,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:30,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:30,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:30,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:30,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:30,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:30,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:31,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:31,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:31,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:31,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:31,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:31,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:31,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:31,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:31,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:31,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:31,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:31,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:31,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:31,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:31,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:31,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:31,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:31,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:31,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:31,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:31,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:31,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:31,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:31,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:31,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:31,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:31,078 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:31,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:31,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:31,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:31,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:31,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:31,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:31,080 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:31,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:31,080 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:31,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:31,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:31,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:31,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:31,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:31,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:31,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:31,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:31,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:31,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:31,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:31,083 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_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c511505c8997149f6161c9d2f8577095c5b8fbe5036e88e3ff0dd12fc7ed028 [2022-10-17 16:46:31,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:31,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:31,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:31,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:31,403 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:31,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/test28-2.c [2022-10-17 16:46:31,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/data/7647202ef/3ec293a98ae54976bb54fdb4dbdad450/FLAG731462d25 [2022-10-17 16:46:31,909 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:31,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/sv-benchmarks/c/ldv-regression/test28-2.c [2022-10-17 16:46:31,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/data/7647202ef/3ec293a98ae54976bb54fdb4dbdad450/FLAG731462d25 [2022-10-17 16:46:32,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/data/7647202ef/3ec293a98ae54976bb54fdb4dbdad450 [2022-10-17 16:46:32,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:32,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:32,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:32,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:32,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:32,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184a654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32, skipping insertion in model container [2022-10-17 16:46:32,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:32,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:32,540 WARN L230 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_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/sv-benchmarks/c/ldv-regression/test28-2.c[576,589] [2022-10-17 16:46:32,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:32,555 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:32,575 WARN L230 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_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/sv-benchmarks/c/ldv-regression/test28-2.c[576,589] [2022-10-17 16:46:32,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:32,594 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:32,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32 WrapperNode [2022-10-17 16:46:32,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:32,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:32,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:32,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:32,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,639 INFO L138 Inliner]: procedures = 13, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-10-17 16:46:32,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:32,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:32,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:32,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:32,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,672 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:32,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:32,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:32,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:32,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:32" (1/1) ... [2022-10-17 16:46:32,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:32,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:32,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:32,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:32,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:46:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:46:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:32,884 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:32,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:33,091 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:33,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:33,187 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:46:33,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:33 BoogieIcfgContainer [2022-10-17 16:46:33,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:33,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:33,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:33,201 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:33,201 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:33" (1/1) ... [2022-10-17 16:46:33,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-10-17 16:46:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-10-17 16:46:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:46:33,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:33,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:33,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:33,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-10-17 16:46:33,918 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-10-17 16:46:33,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:46:33,919 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 16:46:33,928 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:46:33,936 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:46:33,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:46:33 ImpRootNode [2022-10-17 16:46:33,941 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:46:33,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:46:33,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:46:33,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:46:33,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:33" (3/4) ... [2022-10-17 16:46:33,947 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:46:33,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-10-17 16:46:33,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:46:33,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:46:33,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:46:34,017 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:46:34,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:46:34,019 INFO L158 Benchmark]: Toolchain (without parser) took 1727.62ms. Allocated memory is still 138.4MB. Free memory was 101.0MB in the beginning and 61.5MB in the end (delta: 39.5MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,020 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 138.4MB. Free memory was 117.7MB in the beginning and 117.6MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:34,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.76ms. Allocated memory is still 138.4MB. Free memory was 100.8MB in the beginning and 113.0MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.61ms. Allocated memory is still 138.4MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,032 INFO L158 Benchmark]: Boogie Preprocessor took 39.99ms. Allocated memory is still 138.4MB. Free memory was 111.8MB in the beginning and 110.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:46:34,033 INFO L158 Benchmark]: RCFGBuilder took 507.64ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 95.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,037 INFO L158 Benchmark]: CodeCheck took 751.47ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 64.0MB in the end (delta: 31.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,038 INFO L158 Benchmark]: Witness Printer took 75.88ms. Allocated memory is still 138.4MB. Free memory was 64.0MB in the beginning and 61.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:46:34,041 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: 0.7s, 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 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: 28]: 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: 12]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 138.4MB. Free memory was 117.7MB in the beginning and 117.6MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.76ms. Allocated memory is still 138.4MB. Free memory was 100.8MB in the beginning and 113.0MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.61ms. Allocated memory is still 138.4MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.99ms. Allocated memory is still 138.4MB. Free memory was 111.8MB in the beginning and 110.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 507.64ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 95.0MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 751.47ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 64.0MB in the end (delta: 31.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 75.88ms. Allocated memory is still 138.4MB. Free memory was 64.0MB in the beginning and 61.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:46:34,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ac20d5-59a0-4fc0-a16c-bf6ebe071d0a/bin/ukojak-92XMlrwhuB/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