./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/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_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/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_9f1a13dd-14c6-48b4-be82-19ccd1949c00/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 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 --- 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 22:18:55,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:18:55,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:18:55,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:18:55,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:18:55,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:18:55,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:18:55,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:18:55,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:18:55,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:18:55,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:18:55,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:18:55,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:18:55,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:18:55,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:18:55,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:18:55,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:18:55,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:18:55,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:18:55,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:18:55,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:18:55,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:18:55,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:18:55,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:18:55,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:18:55,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:18:55,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:18:55,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:18:55,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:18:55,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:18:55,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:18:55,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:18:55,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:18:55,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:18:55,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:18:55,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:18:55,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:18:55,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:18:55,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:18:55,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:18:55,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:18:55,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:18:55,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:18:55,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:18:55,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:18:55,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:18:55,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:18:55,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:18:55,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:18:55,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:18:55,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:18:55,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:18:55,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:18:55,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:18:55,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:18:55,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:18:55,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:18:55,964 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:18:55,964 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:18:55,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:18:55,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:18:55,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:18:55,965 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:18:55,965 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:18:55,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:18:55,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:18:55,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:18:55,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:18:55,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:18:55,967 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:18:55,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:18:55,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:18:55,968 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_9f1a13dd-14c6-48b4-be82-19ccd1949c00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 [2022-11-21 22:18:56,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:18:56,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:18:56,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:18:56,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:18:56,255 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:18:56,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-11-21 22:18:59,565 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:18:59,830 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:18:59,830 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-11-21 22:18:59,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/data/06d3ecd0d/a6ded8593f1d4fd0842628b26b646a95/FLAGe83fc6fbf [2022-11-21 22:18:59,851 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/data/06d3ecd0d/a6ded8593f1d4fd0842628b26b646a95 [2022-11-21 22:18:59,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:18:59,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:18:59,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:18:59,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:18:59,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:18:59,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:59" (1/1) ... [2022-11-21 22:18:59,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4123e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:18:59, skipping insertion in model container [2022-11-21 22:18:59,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:18:59" (1/1) ... [2022-11-21 22:18:59,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:18:59,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:19:00,030 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_9f1a13dd-14c6-48b4-be82-19ccd1949c00/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-11-21 22:19:00,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:19:00,051 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:19:00,065 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_9f1a13dd-14c6-48b4-be82-19ccd1949c00/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-11-21 22:19:00,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:19:00,078 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:19:00,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00 WrapperNode [2022-11-21 22:19:00,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:19:00,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:19:00,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:19:00,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:19:00,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,111 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 22:19:00,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:19:00,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:19:00,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:19:00,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:19:00,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:19:00,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:19:00,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:19:00,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:19:00,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:19:00,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:19:00,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:19:00,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:19:00,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:19:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:19:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:19:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:19:00,225 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-21 22:19:00,225 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-21 22:19:00,298 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:19:00,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:19:00,445 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:19:00,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:19:00,467 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:19:00,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:00 BoogieIcfgContainer [2022-11-21 22:19:00,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:19:00,471 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:19:00,471 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:19:00,481 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:19:00,481 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:00" (1/1) ... [2022-11-21 22:19:00,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:19:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-21 22:19:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-21 22:19:00,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:19:00,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:00,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:00,816 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 22:19:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-21 22:19:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-21 22:19:00,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:19:00,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:00,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:01,095 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 22:19:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-11-21 22:19:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-21 22:19:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:19:01,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:01,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 22 transitions. [2022-11-21 22:19:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-21 22:19:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:19:01,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:01,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:01,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 28 transitions. [2022-11-21 22:19:01,824 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-21 22:19:01,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:19:01,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:01,972 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 34 transitions. [2022-11-21 22:19:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-21 22:19:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:19:02,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:02,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:02,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:02,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2022-11-21 22:19:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-21 22:19:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:19:02,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:02,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 46 transitions. [2022-11-21 22:19:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-21 22:19:02,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:19:02,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:02,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:03,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 52 transitions. [2022-11-21 22:19:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-21 22:19:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:19:03,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:03,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 58 transitions. [2022-11-21 22:19:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-21 22:19:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:19:03,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 64 transitions. [2022-11-21 22:19:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-21 22:19:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 22:19:04,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 70 transitions. [2022-11-21 22:19:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-11-21 22:19:04,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:19:04,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:04,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:05,086 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 76 transitions. [2022-11-21 22:19:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-21 22:19:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 22:19:05,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:05,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 72 transitions. [2022-11-21 22:19:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-11-21 22:19:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 22:19:05,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:05,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 86 transitions. [2022-11-21 22:19:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-11-21 22:19:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 22:19:06,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:06,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 86 transitions. [2022-11-21 22:19:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-11-21 22:19:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 22:19:06,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:06,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:06,494 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 99 transitions. [2022-11-21 22:19:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-21 22:19:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 22:19:06,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:06,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-21 22:19:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:07,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 98 transitions. [2022-11-21 22:19:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2022-11-21 22:19:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 22:19:07,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 110 transitions. [2022-11-21 22:19:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2022-11-21 22:19:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-21 22:19:08,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:08,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 81 states and 121 transitions. [2022-11-21 22:19:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2022-11-21 22:19:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-21 22:19:08,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:08,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 131 transitions. [2022-11-21 22:19:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2022-11-21 22:19:09,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 22:19:09,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:09,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 91 states and 140 transitions. [2022-11-21 22:19:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2022-11-21 22:19:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-21 22:19:10,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:10,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:10,680 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:11,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 148 transitions. [2022-11-21 22:19:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2022-11-21 22:19:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 22:19:11,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:11,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 155 transitions. [2022-11-21 22:19:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2022-11-21 22:19:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-21 22:19:12,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:12,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 161 transitions. [2022-11-21 22:19:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 161 transitions. [2022-11-21 22:19:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-21 22:19:12,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:12,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 22:19:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 108 states and 163 transitions. [2022-11-21 22:19:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2022-11-21 22:19:13,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:19:13,873 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2022-11-21 22:19:13,881 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:19:14,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:19:14 ImpRootNode [2022-11-21 22:19:14,270 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:19:14,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:19:14,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:19:14,271 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:19:14,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:00" (3/4) ... [2022-11-21 22:19:14,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:19:14,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-21 22:19:14,295 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 22:19:14,295 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:19:14,295 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:19:14,295 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:19:14,347 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:19:14,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:19:14,348 INFO L158 Benchmark]: Toolchain (without parser) took 14492.45ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.6MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2022-11-21 22:19:14,348 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:19:14,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.75ms. Allocated memory is still 134.2MB. Free memory was 101.8MB in the beginning and 92.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:19:14,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:19:14,349 INFO L158 Benchmark]: Boogie Preprocessor took 25.44ms. Allocated memory is still 134.2MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:19:14,350 INFO L158 Benchmark]: RCFGBuilder took 330.43ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 79.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:19:14,350 INFO L158 Benchmark]: CodeCheck took 13799.29ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 79.4MB in the beginning and 102.6MB in the end (delta: -23.2MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-11-21 22:19:14,351 INFO L158 Benchmark]: Witness Printer took 76.50ms. Allocated memory is still 220.2MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:19:14,353 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 2 procedures, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1807 SdHoareTripleChecker+Valid, 13.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1675 mSDsluCounter, 1412 SdHoareTripleChecker+Invalid, 11.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 3093 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8770 IncrementalHoareTripleChecker+Invalid, 11863 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3093 mSolverCounterUnsat, 1204 mSDtfsCounter, 8770 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12549 GetRequests, 12364 SyntacticMatches, 5 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12822 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1284 NumberOfCodeBlocks, 1284 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1259 ConstructedInterpolants, 0 QuantifiedInterpolants, 2496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 2948/4773 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.75ms. Allocated memory is still 134.2MB. Free memory was 101.8MB in the beginning and 92.0MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.44ms. Allocated memory is still 134.2MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.43ms. Allocated memory is still 134.2MB. Free memory was 89.5MB in the beginning and 79.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 13799.29ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 79.4MB in the beginning and 102.6MB in the end (delta: -23.2MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Witness Printer took 76.50ms. Allocated memory is still 220.2MB. Free memory was 102.6MB in the beginning and 100.5MB 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 22:19:14,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1a13dd-14c6-48b4-be82-19ccd1949c00/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