./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum04-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4 --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 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 --- 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-2329fc7 [2022-12-14 22:46:02,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:46:02,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:46:02,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:46:02,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:46:02,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:46:02,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:46:02,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:46:02,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:46:02,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:46:02,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:46:02,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:46:02,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:46:02,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:46:02,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:46:02,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:46:02,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:46:02,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:46:02,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:46:02,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:46:02,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:46:02,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:46:02,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:46:02,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:46:02,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:46:02,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:46:02,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:46:02,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:46:02,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:46:02,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:46:02,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:46:02,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:46:02,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:46:02,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:46:02,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:46:02,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:46:02,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:46:02,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:46:02,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:46:02,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:46:02,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:46:02,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 22:46:02,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:46:02,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:46:02,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:46:02,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:46:02,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:46:02,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:46:02,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:46:02,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:46:02,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:46:02,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:46:02,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:46:02,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:46:02,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:46:02,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:46:02,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:46:02,085 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:46:02,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:46:02,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:46:02,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:46:02,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:46:02,086 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:46:02,086 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:46:02,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:46:02,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:46:02,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:46:02,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:46:02,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:46:02,087 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:46:02,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:46:02,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:46:02,088 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_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 363837b614bad810335bbe0c369ca77c24cc87938da6245b414371c201391312 [2022-12-14 22:46:02,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:46:02,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:46:02,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:46:02,295 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:46:02,295 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:46:02,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops/sum04-1.i [2022-12-14 22:46:04,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:46:05,004 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:46:05,005 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/sv-benchmarks/c/loops/sum04-1.i [2022-12-14 22:46:05,010 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/data/9dcf78c9c/78c11f16ef8d427ba792f720baa43fe1/FLAGcb9a55541 [2022-12-14 22:46:05,025 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/data/9dcf78c9c/78c11f16ef8d427ba792f720baa43fe1 [2022-12-14 22:46:05,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:46:05,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:46:05,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:46:05,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:46:05,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:46:05,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588ab692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05, skipping insertion in model container [2022-12-14 22:46:05,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:46:05,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:46:05,188 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_347055a3-4f05-4452-a489-b9a24369b5b4/sv-benchmarks/c/loops/sum04-1.i[808,821] [2022-12-14 22:46:05,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:46:05,206 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:46:05,218 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_347055a3-4f05-4452-a489-b9a24369b5b4/sv-benchmarks/c/loops/sum04-1.i[808,821] [2022-12-14 22:46:05,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:46:05,233 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:46:05,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05 WrapperNode [2022-12-14 22:46:05,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:46:05,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:46:05,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:46:05,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:46:05,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,266 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2022-12-14 22:46:05,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:46:05,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:46:05,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:46:05,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:46:05,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:46:05,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:46:05,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:46:05,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:46:05,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:46:05,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:46:05,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:46:05,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:46:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:46:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:46:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:46:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:46:05,419 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:46:05,421 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:46:05,512 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:46:05,536 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:46:05,537 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:46:05,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:05 BoogieIcfgContainer [2022-12-14 22:46:05,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:46:05,540 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:46:05,541 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:46:05,551 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:46:05,552 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:05" (1/1) ... [2022-12-14 22:46:05,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:46:05,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-12-14 22:46:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-14 22:46:05,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:46:05,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:05,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:05,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-12-14 22:46:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-12-14 22:46:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:46:05,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:05,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-12-14 22:46:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-12-14 22:46:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 22:46:05,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:05,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:05,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-14 22:46:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-14 22:46:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:46:05,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:05,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-12-14 22:46:06,075 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-14 22:46:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:46:06,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:06,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-14 22:46:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-14 22:46:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 22:46:06,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:06,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:06,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:06,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-12-14 22:46:06,361 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-12-14 22:46:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:46:06,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:06,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2022-12-14 22:46:06,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2022-12-14 22:46:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:46:06,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:06,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:06,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2022-12-14 22:46:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-12-14 22:46:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:46:06,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:06,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:07,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2022-12-14 22:46:07,116 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-12-14 22:46:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:46:07,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:07,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:07,168 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:46:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2022-12-14 22:46:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2022-12-14 22:46:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:46:07,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:07,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 22:46:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2022-12-14 22:46:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2022-12-14 22:46:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:46:07,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 96 transitions. [2022-12-14 22:46:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2022-12-14 22:46:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:46:08,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:08,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:08,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2022-12-14 22:46:08,601 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2022-12-14 22:46:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:46:08,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:08,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:46:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2022-12-14 22:46:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2022-12-14 22:46:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:46:08,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:08,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:46:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2022-12-14 22:46:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2022-12-14 22:46:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:46:09,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 22:46:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 65 states and 111 transitions. [2022-12-14 22:46:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 111 transitions. [2022-12-14 22:46:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:46:09,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:09,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2022-12-14 22:46:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2022-12-14 22:46:09,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:46:09,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:09,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:09,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 116 transitions. [2022-12-14 22:46:09,739 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 116 transitions. [2022-12-14 22:46:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:46:09,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:09,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 73 states and 120 transitions. [2022-12-14 22:46:09,974 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 120 transitions. [2022-12-14 22:46:09,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:46:09,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:09,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 75 states and 122 transitions. [2022-12-14 22:46:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 122 transitions. [2022-12-14 22:46:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:46:10,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:10,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 22:46:10,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:10,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2022-12-14 22:46:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2022-12-14 22:46:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:46:10,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:10,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 22:46:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2022-12-14 22:46:10,373 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2022-12-14 22:46:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:46:10,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 22:46:10,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 75 states and 117 transitions. [2022-12-14 22:46:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2022-12-14 22:46:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:46:10,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:10,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 22:46:10,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2022-12-14 22:46:10,779 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2022-12-14 22:46:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:46:10,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:10,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 22:46:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 81 states and 122 transitions. [2022-12-14 22:46:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2022-12-14 22:46:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:46:11,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:11,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2022-12-14 22:46:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2022-12-14 22:46:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:46:11,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:11,680 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 90 states and 142 transitions. [2022-12-14 22:46:11,821 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2022-12-14 22:46:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:46:11,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:11,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 22:46:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2022-12-14 22:46:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2022-12-14 22:46:11,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:46:11,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 142 transitions. [2022-12-14 22:46:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2022-12-14 22:46:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:46:12,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:12,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:46:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 95 states and 143 transitions. [2022-12-14 22:46:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 143 transitions. [2022-12-14 22:46:12,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:46:12,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:12,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:46:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 22:46:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2022-12-14 22:46:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-12-14 22:46:13,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:46:13,033 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2022-12-14 22:46:13,038 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 22:46:13,240 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-12-14 22:46:13,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:46:13 ImpRootNode [2022-12-14 22:46:13,248 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:46:13,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:46:13,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:46:13,249 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:46:13,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:05" (3/4) ... [2022-12-14 22:46:13,251 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:46:13,257 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 22:46:13,257 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 22:46:13,257 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:46:13,257 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:46:13,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:46:13,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:46:13,280 INFO L158 Benchmark]: Toolchain (without parser) took 8251.03ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 85.3MB in the beginning and 50.8MB in the end (delta: 34.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2022-12-14 22:46:13,280 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:46:13,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.53ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 75.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:46:13,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.30ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:46:13,281 INFO L158 Benchmark]: Boogie Preprocessor took 19.58ms. Allocated memory is still 125.8MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 929.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:46:13,281 INFO L158 Benchmark]: RCFGBuilder took 252.02ms. Allocated memory is still 125.8MB. Free memory was 72.6MB in the beginning and 62.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:46:13,281 INFO L158 Benchmark]: CodeCheck took 7708.10ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 62.2MB in the beginning and 52.9MB in the end (delta: 9.4MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-12-14 22:46:13,282 INFO L158 Benchmark]: Witness Printer took 30.55ms. Allocated memory is still 151.0MB. Free memory was 52.9MB in the beginning and 50.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:46:13,283 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, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3143 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2875 mSDsluCounter, 868 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 562 mSDsCounter, 2202 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9749 IncrementalHoareTripleChecker+Invalid, 11951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2202 mSolverCounterUnsat, 306 mSDtfsCounter, 9749 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4696 GetRequests, 4406 SyntacticMatches, 46 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32296 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 1407 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 15 PerfectInterpolantSequences, 269/539 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((!(i <= 2) && !(2 <= sn)) && 0 <= sn + 2147483648) || ((sn <= 2 && 2 <= sn) && 2 <= i)) || ((!(sn <= 4) && !(i <= 3)) && sn <= 6)) || (i == 1 && sn == 0)) || ((sn <= 4 && !(i <= 2)) && 2 <= sn) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.53ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 75.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.30ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.58ms. Allocated memory is still 125.8MB. Free memory was 74.0MB in the beginning and 73.1MB in the end (delta: 929.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.02ms. Allocated memory is still 125.8MB. Free memory was 72.6MB in the beginning and 62.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 7708.10ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 62.2MB in the beginning and 52.9MB in the end (delta: 9.4MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 30.55ms. Allocated memory is still 151.0MB. Free memory was 52.9MB in the beginning and 50.8MB 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! [2022-12-14 22:46:13,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_347055a3-4f05-4452-a489-b9a24369b5b4/bin/ukojak-rkRKPMF4O4/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