./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 18:02:48,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:02:48,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:02:48,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:02:48,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:02:48,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:02:48,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:02:48,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:02:48,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:02:48,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:02:48,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:02:48,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:02:48,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:02:48,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:02:48,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:02:48,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:02:48,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:02:48,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:02:48,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:02:48,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:02:48,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:02:49,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:02:49,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:02:49,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:02:49,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:02:49,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:02:49,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:02:49,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:02:49,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:02:49,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:02:49,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:02:49,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:02:49,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:02:49,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:02:49,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:02:49,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:02:49,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:02:49,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:02:49,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:02:49,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:02:49,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:02:49,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 18:02:49,042 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:02:49,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:02:49,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:02:49,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:02:49,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:02:49,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:02:49,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:02:49,045 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:02:49,045 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:02:49,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:02:49,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:02:49,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:02:49,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:02:49,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:02:49,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:02:49,047 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:02:49,047 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:02:49,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:02:49,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:02:49,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:02:49,048 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:02:49,048 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:02:49,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:02:49,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:49,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:02:49,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:02:49,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:02:49,050 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:02:49,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:02:49,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:02:49,058 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_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59 [2022-11-20 18:02:49,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:02:49,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:02:49,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:02:49,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:02:49,404 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:02:49,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2022-11-20 18:02:52,475 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:02:52,704 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:02:52,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/sv-benchmarks/c/loop-zilu/benchmark07_linear.i [2022-11-20 18:02:52,709 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/data/53ead8d2a/5342c69319584d0c8fde1a63df3b82e4/FLAG8e1880797 [2022-11-20 18:02:52,722 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/data/53ead8d2a/5342c69319584d0c8fde1a63df3b82e4 [2022-11-20 18:02:52,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:02:52,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:02:52,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:52,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:02:52,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:02:52,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:52,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681a0911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52, skipping insertion in model container [2022-11-20 18:02:52,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:52,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:02:52,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:02:52,930 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_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/sv-benchmarks/c/loop-zilu/benchmark07_linear.i[868,881] [2022-11-20 18:02:52,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:52,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:02:52,958 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_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/sv-benchmarks/c/loop-zilu/benchmark07_linear.i[868,881] [2022-11-20 18:02:52,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:02:52,975 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:02:52,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52 WrapperNode [2022-11-20 18:02:52,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:02:52,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:52,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:02:52,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:02:52,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:52,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,015 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-11-20 18:02:53,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:02:53,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:02:53,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:02:53,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:02:53,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:02:53,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:02:53,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:02:53,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:02:53,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:52" (1/1) ... [2022-11-20 18:02:53,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:02:53,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:02:53,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:02:53,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:02:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:02:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:02:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:02:53,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:02:53,207 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:02:53,210 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:02:53,411 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:02:53,441 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:02:53,442 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:02:53,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:53 BoogieIcfgContainer [2022-11-20 18:02:53,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:02:53,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:02:53,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:02:53,456 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:02:53,456 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:53" (1/1) ... [2022-11-20 18:02:53,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:02:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 18:02:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 18:02:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:02:53,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2022-11-20 18:02:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-11-20 18:02:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:02:53,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:53,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:02:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:02:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:02:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-11-20 18:02:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-20 18:02:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:02:54,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:02:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:02:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:54,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:02:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:54,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:02:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:02:54,120 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-11-20 18:02:54,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:02:54 ImpRootNode [2022-11-20 18:02:54,151 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:02:54,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:02:54,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:02:54,152 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:02:54,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:02:53" (3/4) ... [2022-11-20 18:02:54,155 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 18:02:54,191 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1600d8-e196-4ac2-a7bf-2a403cdaeff7/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:02:54,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:02:54,192 INFO L158 Benchmark]: Toolchain (without parser) took 1466.24ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 94.5MB in the end (delta: 42.4MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2022-11-20 18:02:54,193 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:54,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.10ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 133.5MB in the end (delta: 3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 18:02:54,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.35ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:02:54,195 INFO L158 Benchmark]: Boogie Preprocessor took 20.29ms. Allocated memory is still 167.8MB. Free memory was 131.4MB in the beginning and 130.7MB in the end (delta: 761.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:54,196 INFO L158 Benchmark]: RCFGBuilder took 407.43ms. Allocated memory is still 167.8MB. Free memory was 130.7MB in the beginning and 118.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:02:54,197 INFO L158 Benchmark]: CodeCheck took 705.60ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 96.6MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 18:02:54,197 INFO L158 Benchmark]: Witness Printer took 40.09ms. Allocated memory is still 167.8MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:02:54,202 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, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 8 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - CounterExampleResult [Line: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int n = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] _Bool flag = __VERIFIER_nondet_bool(); [L24] i=0 VAL [i=0, k=2147483647, n=9] [L25] COND FALSE !(!(n>0 && n<10)) VAL [i=0, k=2147483647, n=9] [L26] COND TRUE i