./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-simple/nested_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:16:24,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:16:24,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:16:24,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:16:24,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:16:24,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:16:24,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:16:24,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:16:24,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:16:24,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:16:24,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:16:24,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:16:24,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:16:24,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:16:24,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:16:24,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:16:24,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:16:24,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:16:24,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:16:24,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:16:24,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:16:24,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:16:24,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:16:24,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:16:25,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:16:25,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:16:25,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:16:25,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:16:25,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:16:25,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:16:25,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:16:25,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:16:25,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:16:25,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:16:25,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:16:25,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:16:25,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:16:25,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:16:25,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:16:25,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:16:25,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:16:25,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:16:25,062 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:16:25,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:16:25,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:16:25,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:16:25,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:16:25,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:16:25,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:16:25,066 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:16:25,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:16:25,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:16:25,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:16:25,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:16:25,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:16:25,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:16:25,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:16:25,069 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:16:25,069 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:16:25,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:16:25,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:16:25,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:16:25,070 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:16:25,070 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:16:25,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:16:25,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:16:25,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:16:25,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:16:25,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:16:25,072 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:16:25,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:16:25,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:16:25,073 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_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 [2022-11-21 23:16:25,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:16:25,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:16:25,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:16:25,408 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:16:25,409 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:16:25,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loop-simple/nested_3.c [2022-11-21 23:16:28,539 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:16:28,721 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:16:28,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/sv-benchmarks/c/loop-simple/nested_3.c [2022-11-21 23:16:28,726 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/data/d4e0afb70/2876acf2799d4aaabe0f1f017b4470fe/FLAG80e706f63 [2022-11-21 23:16:28,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/data/d4e0afb70/2876acf2799d4aaabe0f1f017b4470fe [2022-11-21 23:16:28,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:16:28,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:16:28,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:16:28,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:16:28,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:16:28,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:16:28" (1/1) ... [2022-11-21 23:16:28,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e8d0dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:28, skipping insertion in model container [2022-11-21 23:16:28,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:16:28" (1/1) ... [2022-11-21 23:16:28,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:16:28,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:16:29,004 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_c324260b-9028-4338-b5a3-d6b92740d389/sv-benchmarks/c/loop-simple/nested_3.c[784,797] [2022-11-21 23:16:29,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:16:29,019 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:16:29,040 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_c324260b-9028-4338-b5a3-d6b92740d389/sv-benchmarks/c/loop-simple/nested_3.c[784,797] [2022-11-21 23:16:29,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:16:29,054 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:16:29,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29 WrapperNode [2022-11-21 23:16:29,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:16:29,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:16:29,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:16:29,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:16:29,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,093 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-11-21 23:16:29,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:16:29,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:16:29,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:16:29,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:16:29,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:16:29,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:16:29,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:16:29,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:16:29,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:16:29,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:16:29,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:16:29,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:16:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:16:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:16:29,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:16:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:16:29,307 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:16:29,309 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:16:29,489 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:16:29,514 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:16:29,515 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:16:29,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:16:29 BoogieIcfgContainer [2022-11-21 23:16:29,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:16:29,519 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:16:29,519 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:16:29,529 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:16:29,530 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:16:29" (1/1) ... [2022-11-21 23:16:29,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:16:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-21 23:16:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-21 23:16:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:16:29,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:29,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:16:29,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:29,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-11-21 23:16:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-11-21 23:16:29,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:16:29,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:29,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:16:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-11-21 23:16:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-21 23:16:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:16:29,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:29,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:16:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-11-21 23:16:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-21 23:16:30,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:16:30,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:30,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:16:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-11-21 23:16:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-21 23:16:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:16:30,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:30,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:16:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-11-21 23:16:30,388 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-21 23:16:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:16:30,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:30,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:16:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-21 23:16:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-21 23:16:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:16:30,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:30,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:16:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:31,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2022-11-21 23:16:31,168 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-11-21 23:16:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:16:31,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:31,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:16:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2022-11-21 23:16:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-21 23:16:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:16:31,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:31,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:16:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-11-21 23:16:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-21 23:16:32,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:16:32,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:32,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:16:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2022-11-21 23:16:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2022-11-21 23:16:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:16:32,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:32,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:16:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-11-21 23:16:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-11-21 23:16:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:16:32,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:32,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:16:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-11-21 23:16:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-21 23:16:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:16:34,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:34,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-21 23:16:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2022-11-21 23:16:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2022-11-21 23:16:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:16:35,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:35,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 23:16:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 62 states and 74 transitions. [2022-11-21 23:16:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-21 23:16:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:16:35,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:35,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-21 23:16:36,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2022-11-21 23:16:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2022-11-21 23:16:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:16:36,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:36,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-21 23:16:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 93 transitions. [2022-11-21 23:16:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 93 transitions. [2022-11-21 23:16:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:16:37,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 82 proven. 20 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-21 23:16:37,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2022-11-21 23:16:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2022-11-21 23:16:37,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 23:16:37,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:37,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:37,317 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-21 23:16:38,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2022-11-21 23:16:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-21 23:16:38,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 23:16:38,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:38,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-21 23:16:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2022-11-21 23:16:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2022-11-21 23:16:42,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:16:42,631 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-11-21 23:16:42,639 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:16:43,124 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-11-21 23:16:43,143 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 23:16:43,150 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-11-21 23:16:43,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:16:43 ImpRootNode [2022-11-21 23:16:43,154 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:16:43,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:16:43,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:16:43,155 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:16:43,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:16:29" (3/4) ... [2022-11-21 23:16:43,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:16:43,178 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 23:16:43,178 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 23:16:43,179 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:16:43,179 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:16:43,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:16:43,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:16:43,218 INFO L158 Benchmark]: Toolchain (without parser) took 14473.58ms. Allocated memory was 138.4MB in the beginning and 270.5MB in the end (delta: 132.1MB). Free memory was 75.6MB in the beginning and 219.6MB in the end (delta: -144.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:16:43,218 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 165.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:16:43,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.22ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 75.5MB in the beginning and 155.5MB in the end (delta: -80.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-21 23:16:43,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.27ms. Allocated memory is still 186.6MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:16:43,220 INFO L158 Benchmark]: Boogie Preprocessor took 43.41ms. Allocated memory is still 186.6MB. Free memory was 153.4MB in the beginning and 152.6MB in the end (delta: 848.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:16:43,221 INFO L158 Benchmark]: RCFGBuilder took 380.08ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 141.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:16:43,221 INFO L158 Benchmark]: CodeCheck took 13635.45ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 140.8MB in the beginning and 221.7MB in the end (delta: -80.9MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. [2022-11-21 23:16:43,222 INFO L158 Benchmark]: Witness Printer took 62.53ms. Allocated memory is still 270.5MB. Free memory was 221.7MB in the beginning and 219.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:16:43,225 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1401 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1131 mSDsluCounter, 106 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 801 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4046 IncrementalHoareTripleChecker+Invalid, 4847 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 801 mSolverCounterUnsat, 106 mSDtfsCounter, 4046 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3120 GetRequests, 2828 SyntacticMatches, 2 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42419 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 388 ConstructedInterpolants, 0 QuantifiedInterpolants, 864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 639/773 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((((((c == 0 && b == 0) && a <= 5) && 1 <= a) || (((c == 0 && b <= 5) && 1 <= b) && a == 0)) || ((((1 <= c && a <= 5) && b <= 5) && 1 <= b) && 1 <= a)) || (((b == 0 && 1 <= c) && a <= 5) && 1 <= a)) || ((b == 0 && 1 <= c) && a == 0)) || ((((c == 0 && a <= 5) && b <= 5) && 1 <= b) && 1 <= a)) || (((1 <= c && b <= 5) && 1 <= b) && a == 0)) || ((c == 0 && b == 0) && a == 0) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 <= a || a == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((a <= 5 && 1 <= b) && 1 <= a) || (1 <= b && a == 0)) || (b == 0 && a == 0)) || ((b == 0 && a <= 5) && 1 <= a) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.7MB in the end (delta: 165.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.22ms. Allocated memory was 138.4MB in the beginning and 186.6MB in the end (delta: 48.2MB). Free memory was 75.5MB in the beginning and 155.5MB in the end (delta: -80.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.27ms. Allocated memory is still 186.6MB. Free memory was 155.5MB in the beginning and 153.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.41ms. Allocated memory is still 186.6MB. Free memory was 153.4MB in the beginning and 152.6MB in the end (delta: 848.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.08ms. Allocated memory is still 186.6MB. Free memory was 152.6MB in the beginning and 141.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 13635.45ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 140.8MB in the beginning and 221.7MB in the end (delta: -80.9MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. * Witness Printer took 62.53ms. Allocated memory is still 270.5MB. Free memory was 221.7MB in the beginning and 219.6MB 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! [2022-11-21 23:16:43,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c324260b-9028-4338-b5a3-d6b92740d389/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE