./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --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_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/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_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/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_e7339ef9-10af-4aee-9a01-be92e1b1ab61/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 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- 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 22:30:54,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:30:54,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:30:54,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:30:54,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:30:54,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:30:54,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:30:54,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:30:54,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:30:54,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:30:54,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:30:54,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:30:54,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:30:54,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:30:54,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:30:54,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:30:54,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:30:54,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:30:54,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:30:54,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:30:54,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:30:54,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:30:54,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:30:54,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:30:54,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:30:54,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:30:54,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:30:54,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:30:54,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:30:54,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:30:54,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:30:54,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:30:54,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:30:54,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:30:54,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:30:54,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:30:54,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:30:54,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:30:54,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:30:54,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:30:54,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:30:54,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:30:54,466 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:30:54,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:30:54,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:30:54,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:30:54,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:30:54,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:30:54,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:30:54,471 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:30:54,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:30:54,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:30:54,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:30:54,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:30:54,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:30:54,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:30:54,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:30:54,473 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:30:54,473 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:30:54,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:30:54,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:30:54,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:30:54,474 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:30:54,474 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:30:54,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:30:54,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:54,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:30:54,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:30:54,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:30:54,476 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:30:54,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:30:54,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:30:54,476 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_e7339ef9-10af-4aee-9a01-be92e1b1ab61/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2022-11-21 22:30:54,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:30:54,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:30:54,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:30:54,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:30:54,810 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:30:54,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-11-21 22:30:57,978 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:30:58,224 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:30:58,225 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2022-11-21 22:30:58,245 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/data/94a50ec5d/e69a1f1e18ac4a83b600c5ac9cc23bb8/FLAG1c1cd3e56 [2022-11-21 22:30:58,261 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/data/94a50ec5d/e69a1f1e18ac4a83b600c5ac9cc23bb8 [2022-11-21 22:30:58,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:30:58,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:30:58,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:58,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:30:58,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:30:58,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d9b339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58, skipping insertion in model container [2022-11-21 22:30:58,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:30:58,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:30:58,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:58,737 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:30:58,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:58,838 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:30:58,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58 WrapperNode [2022-11-21 22:30:58,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:58,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:58,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:30:58,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:30:58,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,905 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2022-11-21 22:30:58,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:58,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:30:58,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:30:58,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:30:58,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,953 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:30:58,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:30:58,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:30:58,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:30:58,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:58" (1/1) ... [2022-11-21 22:30:58,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:58,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:30:59,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:30:59,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:30:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:30:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:30:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:30:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:30:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:30:59,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:30:59,154 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:30:59,155 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:30:59,432 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:30:59,584 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:30:59,584 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:30:59,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:30:59 BoogieIcfgContainer [2022-11-21 22:30:59,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:30:59,588 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:30:59,594 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:30:59,610 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:30:59,611 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:30:59" (1/1) ... [2022-11-21 22:30:59,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:30:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:30:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2022-11-21 22:30:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-11-21 22:30:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-21 22:30:59,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:30:59,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:30:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:00,047 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 22:31:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-11-21 22:31:00,108 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-11-21 22:31:00,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:31:00,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:00,266 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 22:31:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2022-11-21 22:31:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-11-21 22:31:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:31:00,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:00,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:00,439 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 22:31:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2022-11-21 22:31:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-21 22:31:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:31:00,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:00,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:00,704 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 22:31:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2022-11-21 22:31:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-21 22:31:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:31:00,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:00,829 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 22:31:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 52 states and 71 transitions. [2022-11-21 22:31:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2022-11-21 22:31:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:31:01,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:01,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2022-11-21 22:31:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-21 22:31:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:31:01,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:01,678 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 22:31:02,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:02,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2022-11-21 22:31:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2022-11-21 22:31:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:31:02,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:02,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:02,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2022-11-21 22:31:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2022-11-21 22:31:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:31:02,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:02,783 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 22:31:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 97 transitions. [2022-11-21 22:31:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2022-11-21 22:31:03,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:31:03,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:03,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:03,174 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 22:31:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2022-11-21 22:31:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2022-11-21 22:31:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:31:03,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:03,919 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 22:31:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2022-11-21 22:31:04,486 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2022-11-21 22:31:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:31:04,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:04,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:04,529 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 22:31:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 77 states and 118 transitions. [2022-11-21 22:31:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2022-11-21 22:31:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:31:04,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:04,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:04,728 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 22:31:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 79 states and 120 transitions. [2022-11-21 22:31:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2022-11-21 22:31:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:31:04,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:04,934 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 22:31:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 123 transitions. [2022-11-21 22:31:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2022-11-21 22:31:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:31:04,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:04,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:04,988 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 22:31:05,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:05,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2022-11-21 22:31:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2022-11-21 22:31:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:05,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:05,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 91 states and 147 transitions. [2022-11-21 22:31:06,946 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2022-11-21 22:31:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:06,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:06,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 147 transitions. [2022-11-21 22:31:07,186 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2022-11-21 22:31:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:07,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:07,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2022-11-21 22:31:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2022-11-21 22:31:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:07,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 115 transitions. [2022-11-21 22:31:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2022-11-21 22:31:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:08,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:08,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:08,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:08,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 113 transitions. [2022-11-21 22:31:08,654 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2022-11-21 22:31:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:08,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2022-11-21 22:31:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2022-11-21 22:31:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:08,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:08,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:09,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2022-11-21 22:31:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2022-11-21 22:31:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:31:09,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:09,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:09,916 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 22:31:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2022-11-21 22:31:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2022-11-21 22:31:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:31:10,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:31:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2022-11-21 22:31:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2022-11-21 22:31:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:31:11,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:11,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 86 states and 124 transitions. [2022-11-21 22:31:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2022-11-21 22:31:12,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:31:12,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:12,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 123 transitions. [2022-11-21 22:31:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2022-11-21 22:31:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:31:12,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:12,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:13,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 84 states and 119 transitions. [2022-11-21 22:31:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2022-11-21 22:31:13,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:31:13,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:13,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:14,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2022-11-21 22:31:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2022-11-21 22:31:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:31:14,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:14,026 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 22:31:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2022-11-21 22:31:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2022-11-21 22:31:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:31:14,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:14,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:31:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2022-11-21 22:31:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2022-11-21 22:31:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:31:15,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:15,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:15,898 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 22:31:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 95 states and 137 transitions. [2022-11-21 22:31:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2022-11-21 22:31:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:31:17,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:17,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 98 states and 145 transitions. [2022-11-21 22:31:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions. [2022-11-21 22:31:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:31:17,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:17,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 100 states and 150 transitions. [2022-11-21 22:31:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2022-11-21 22:31:17,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:31:17,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 103 states and 154 transitions. [2022-11-21 22:31:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 154 transitions. [2022-11-21 22:31:18,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:31:18,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:19,004 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 22:31:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 104 states and 155 transitions. [2022-11-21 22:31:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2022-11-21 22:31:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:31:19,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:19,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:19,358 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 22:31:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 106 states and 157 transitions. [2022-11-21 22:31:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2022-11-21 22:31:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:19,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:19,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:19,981 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 22:31:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:21,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 111 states and 172 transitions. [2022-11-21 22:31:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2022-11-21 22:31:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:21,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:21,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:21,380 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 22:31:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 172 transitions. [2022-11-21 22:31:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 172 transitions. [2022-11-21 22:31:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:21,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:21,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:21,889 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 22:31:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:22,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 114 states and 173 transitions. [2022-11-21 22:31:22,228 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 173 transitions. [2022-11-21 22:31:22,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:22,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:22,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 119 states and 187 transitions. [2022-11-21 22:31:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2022-11-21 22:31:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:24,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:24,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:25,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 195 transitions. [2022-11-21 22:31:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 195 transitions. [2022-11-21 22:31:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:25,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 124 states and 200 transitions. [2022-11-21 22:31:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2022-11-21 22:31:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:25,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:25,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 22:31:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 127 states and 203 transitions. [2022-11-21 22:31:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2022-11-21 22:31:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:26,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:26,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 203 transitions. [2022-11-21 22:31:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2022-11-21 22:31:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:27,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:31:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 130 states and 204 transitions. [2022-11-21 22:31:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 204 transitions. [2022-11-21 22:31:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:31:27,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:27,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:28,282 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 22:31:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:28,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 132 states and 206 transitions. [2022-11-21 22:31:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 206 transitions. [2022-11-21 22:31:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:31:28,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:28,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 22:31:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 134 states and 210 transitions. [2022-11-21 22:31:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2022-11-21 22:31:30,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:31:30,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 22:31:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 208 transitions. [2022-11-21 22:31:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2022-11-21 22:31:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:31:30,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:30,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 22:31:31,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 132 states and 205 transitions. [2022-11-21 22:31:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 205 transitions. [2022-11-21 22:31:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:31:31,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:31,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:31:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:31:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:31:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 134 states and 209 transitions. [2022-11-21 22:31:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 209 transitions. [2022-11-21 22:31:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:31:32,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:31:32,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:31:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:31:32,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:31:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:31:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:31:32,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:31:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:31:33,040 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2022-11-21 22:31:33,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:31:33 ImpRootNode [2022-11-21 22:31:33,107 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:31:33,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:31:33,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:31:33,108 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:31:33,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:30:59" (3/4) ... [2022-11-21 22:31:33,110 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:31:33,152 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:31:33,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:31:33,153 INFO L158 Benchmark]: Toolchain (without parser) took 34884.12ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 135.4MB in the beginning and 238.3MB in the end (delta: -103.0MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2022-11-21 22:31:33,154 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:31:33,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.69ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 127.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:31:33,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.97ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:31:33,155 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 123.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:31:33,156 INFO L158 Benchmark]: RCFGBuilder took 629.40ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 105.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:31:33,157 INFO L158 Benchmark]: CodeCheck took 33518.92ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 104.1MB in the beginning and 240.4MB in the end (delta: -136.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-11-21 22:31:33,157 INFO L158 Benchmark]: Witness Printer took 44.95ms. Allocated memory is still 352.3MB. Free memory was 240.4MB in the beginning and 238.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:31:33,160 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, 39 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 33.4s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8928 SdHoareTripleChecker+Valid, 39.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8366 mSDsluCounter, 926 SdHoareTripleChecker+Invalid, 31.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 834 mSDsCounter, 4369 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25839 IncrementalHoareTripleChecker+Invalid, 30208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4369 mSolverCounterUnsat, 92 mSDtfsCounter, 25839 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5607 GetRequests, 5142 SyntacticMatches, 7 SemanticMatches, 458 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108310 ImplicationChecksByTransitivity, 28.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 599 NumberOfCodeBlocks, 599 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 1627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 35 PerfectInterpolantSequences, 98/191 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L530] int length1 = __VERIFIER_nondet_int(); [L531] int length2 = __VERIFIER_nondet_int(); [L532] COND TRUE length1 < 1 [L533] length1 = 1 [L535] COND TRUE length2 < 1 [L536] length2 = 1 [L538] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L539] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L541] int i = 0; VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] EXPR length1 - 1 VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] COND FALSE !(i < length1 - 1) VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] int i = 0; VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] EXPR length2 - 1 VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] COND FALSE !(i < length2 - 1) VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L551] EXPR length1-1 [L551] nondetString1[length1-1] = '\0' VAL [__builtin_alloca (length1 * sizeof(char))={3:0}, __builtin_alloca (length2 * sizeof(char))={2:0}, i=0, i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L552] EXPR length2-1 [L552] nondetString2[length2-1] = '\0' [L553] CALL cstrncmp(nondetString1,nondetString2,__VERIFIER_nondet_int()) [L516] unsigned char uc1, uc2; VAL [\old(n)=-2147483648, n=-2147483648, s1={3:0}, s1={3:0}, s2={2:0}, s2={2:0}] [L517] COND FALSE !(n == 0) VAL [\old(n)=-2147483648, n=-2147483648, s1={3:0}, s1={3:0}, s2={2:0}, s2={2:0}] [L519] n-- VAL [\old(n)=-2147483648, n=-2147483648, n--=-2147483648, s1={3:0}, s1={3:0}, s2={2:0}, s2={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.69ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 127.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.97ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 125.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 123.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 629.40ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 105.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 33518.92ms. Allocated memory was 167.8MB in the beginning and 352.3MB in the end (delta: 184.5MB). Free memory was 104.1MB in the beginning and 240.4MB in the end (delta: -136.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 44.95ms. Allocated memory is still 352.3MB. Free memory was 240.4MB in the beginning and 238.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 22:31:33,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7339ef9-10af-4aee-9a01-be92e1b1ab61/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)