./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_math_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_math_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63c09076012948d358ef22d7f5bfd1d18463c56506eb9759740cc4520130fa60 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:04:15,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:04:15,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:04:15,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:04:15,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:04:15,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:04:15,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:04:15,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:04:15,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:04:15,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:04:15,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:04:15,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:04:15,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:04:15,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:04:15,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:04:15,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:04:15,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:04:15,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:04:15,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:04:15,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:04:15,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:04:15,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:04:15,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:04:15,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:04:15,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:04:15,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:04:15,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:04:15,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:04:15,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:04:15,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:04:15,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:04:15,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:04:15,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:04:15,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:04:15,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:04:15,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:04:15,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:04:15,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:04:15,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:04:15,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:04:15,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:04:15,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:04:15,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:04:15,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:04:15,544 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:04:15,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:04:15,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:04:15,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:04:15,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:04:15,546 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:04:15,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:04:15,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:04:15,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:04:15,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:04:15,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:04:15,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:04:15,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:04:15,548 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:04:15,548 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:04:15,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:04:15,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:04:15,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:04:15,549 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:04:15,549 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:04:15,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:04:15,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:04:15,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:04:15,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:04:15,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:04:15,551 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:04:15,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:04:15,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:04:15,552 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_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c09076012948d358ef22d7f5bfd1d18463c56506eb9759740cc4520130fa60 [2022-11-20 17:04:15,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:04:15,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:04:15,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:04:15,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:04:15,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:04:15,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/psyco/psyco_math_1.c [2022-11-20 17:04:18,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:04:19,107 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:04:19,107 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/sv-benchmarks/c/psyco/psyco_math_1.c [2022-11-20 17:04:19,123 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/data/82f6fd323/f5175ff75b2547618041dcaec4a08899/FLAG839d271f5 [2022-11-20 17:04:19,142 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/data/82f6fd323/f5175ff75b2547618041dcaec4a08899 [2022-11-20 17:04:19,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:04:19,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:04:19,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:04:19,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:04:19,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:04:19,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231b3f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19, skipping insertion in model container [2022-11-20 17:04:19,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:04:19,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:04:19,447 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_5937c3a7-89be-4574-bc0f-e65345f90349/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2022-11-20 17:04:19,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:04:19,460 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:04:19,496 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_5937c3a7-89be-4574-bc0f-e65345f90349/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2022-11-20 17:04:19,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:04:19,512 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:04:19,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19 WrapperNode [2022-11-20 17:04:19,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:04:19,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:04:19,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:04:19,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:04:19,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,566 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 357 [2022-11-20 17:04:19,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:04:19,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:04:19,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:04:19,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:04:19,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,599 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:04:19,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:04:19,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:04:19,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:04:19,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:04:19" (1/1) ... [2022-11-20 17:04:19,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:04:19,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:04:19,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:04:19,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:04:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:04:19,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:04:19,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:04:19,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:04:19,856 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:04:19,859 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:04:20,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:04:20,528 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:04:20,528 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 17:04:20,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:20 BoogieIcfgContainer [2022-11-20 17:04:20,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:04:20,532 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:04:20,532 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:04:20,542 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:04:20,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:20" (1/1) ... [2022-11-20 17:04:20,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:04:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 123 states and 194 transitions. [2022-11-20 17:04:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 194 transitions. [2022-11-20 17:04:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:04:20,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:20,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:04:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:20,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 126 states and 201 transitions. [2022-11-20 17:04:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2022-11-20 17:04:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:04:20,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:20,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:04:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 126 states and 200 transitions. [2022-11-20 17:04:21,106 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2022-11-20 17:04:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:04:21,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:21,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:04:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:04:21,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:04:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 125 states and 198 transitions. [2022-11-20 17:04:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2022-11-20 17:04:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:04:21,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:04:21,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:04:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:04:21,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:04:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:04:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:04:21,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:04:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:04:21,578 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-11-20 17:04:21,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:04:21 ImpRootNode [2022-11-20 17:04:21,618 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:04:21,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:04:21,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:04:21,619 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:04:21,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:04:20" (3/4) ... [2022-11-20 17:04:21,622 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:04:21,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:04:21,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:04:21,700 INFO L158 Benchmark]: Toolchain (without parser) took 2550.27ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 98.6MB in the beginning and 109.4MB in the end (delta: -10.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2022-11-20 17:04:21,700 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:04:21,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.53ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 85.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:04:21,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.44ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 83.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:04:21,701 INFO L158 Benchmark]: Boogie Preprocessor took 37.24ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:04:21,702 INFO L158 Benchmark]: RCFGBuilder took 926.61ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 81.1MB in the beginning and 170.2MB in the end (delta: -89.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-11-20 17:04:21,702 INFO L158 Benchmark]: CodeCheck took 1085.66ms. Allocated memory is still 201.3MB. Free memory was 170.2MB in the beginning and 112.5MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-20 17:04:21,703 INFO L158 Benchmark]: Witness Printer took 80.21ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 109.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:04:21,705 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, 123 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 166 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 58 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 467 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 141]: integer overflow possible integer overflow possible We found a FailurePath: [L7] int m_isPowerOfTwo = 1; [L8] int m_IntMath = 2; [L9] int m_log10 = 3; [L10] int m_checkedSubtract = 4; [L11] int m_checkedMultiply = 5; [L12] int m_log2 = 6; [L13] int m_checkedAdd = 7; [L14] int m_mod_1 = 8; [L15] int m_mod_2 = 9; [L16] int m_factorial_1 = 10; [L17] int m_factorial_2 = 11; [L22] int q = 0; [L23] int method_id; VAL [m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_IntMath=2, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, q=0] [L28] COND TRUE 1 [L31] int P1=__VERIFIER_nondet_int(); [L32] int P2=__VERIFIER_nondet_int(); [L33] int P3=__VERIFIER_nondet_int(); [L34] int P4=__VERIFIER_nondet_int(); [L35] int P5=__VERIFIER_nondet_int(); [L36] int P6=__VERIFIER_nondet_int(); [L37] int P7=__VERIFIER_nondet_int(); [L38] int P8=__VERIFIER_nondet_int(); [L39] int P9=__VERIFIER_nondet_int(); [L40] int P10=__VERIFIER_nondet_int(); [L41] int P11=__VERIFIER_nondet_int(); [L42] int P12=__VERIFIER_nondet_int(); [L43] int P13=__VERIFIER_nondet_int(); [L44] int P14=__VERIFIER_nondet_int(); [L45] int P15=__VERIFIER_nondet_int(); [L46] int P16=__VERIFIER_nondet_int(); [L47] int P17=__VERIFIER_nondet_int(); [L51] COND TRUE q == 0 [L52] COND TRUE __VERIFIER_nondet_int() [L56] method_id = 2 VAL [m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_IntMath=2, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, P1=0, P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, q=0] [L58] COND FALSE !(0) [L62] q = 2 VAL [m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_IntMath=2, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, P1=0, P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, q=2] [L28] COND TRUE 1 [L31] int P1=__VERIFIER_nondet_int(); [L32] int P2=__VERIFIER_nondet_int(); [L33] int P3=__VERIFIER_nondet_int(); [L34] int P4=__VERIFIER_nondet_int(); [L35] int P5=__VERIFIER_nondet_int(); [L36] int P6=__VERIFIER_nondet_int(); [L37] int P7=__VERIFIER_nondet_int(); [L38] int P8=__VERIFIER_nondet_int(); [L39] int P9=__VERIFIER_nondet_int(); [L40] int P10=__VERIFIER_nondet_int(); [L41] int P11=__VERIFIER_nondet_int(); [L42] int P12=__VERIFIER_nondet_int(); [L43] int P13=__VERIFIER_nondet_int(); [L44] int P14=__VERIFIER_nondet_int(); [L45] int P15=__VERIFIER_nondet_int(); [L46] int P16=__VERIFIER_nondet_int(); [L47] int P17=__VERIFIER_nondet_int(); [L51] COND FALSE !(q == 0) VAL [m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_IntMath=2, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, P1=-2147483648, P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, q=2] [L70] COND FALSE !(q == 1) VAL [m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_IntMath=2, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, P1=-2147483648, P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, q=2] [L138] COND TRUE q == 2 [L139] COND TRUE __VERIFIER_nondet_int() [L141] 1&& ((((P1 & (P1 - 1)) == 0) && (P1 > 0)) || 0) VAL [1&& ((((P1 & (P1 - 1)) == 0) && (P1 > 0)) || 0)=1, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_IntMath=2, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, P1=-2147483648, P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, q=2] [L141] P1 - 1 VAL [1&& ((((P1 & (P1 - 1)) == 0) && (P1 > 0)) || 0)=1, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_IntMath=2, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, P1=-2147483648, P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, q=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.53ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 85.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.44ms. Allocated memory is still 142.6MB. Free memory was 85.7MB in the beginning and 83.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.24ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 926.61ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 81.1MB in the beginning and 170.2MB in the end (delta: -89.1MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * CodeCheck took 1085.66ms. Allocated memory is still 201.3MB. Free memory was 170.2MB in the beginning and 112.5MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 80.21ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 109.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:04:21,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5937c3a7-89be-4574-bc0f-e65345f90349/bin/ukojak-pZX7IvK2PQ/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)