./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 64bit --witnessprinter.graph.data.programhash d44b68cce1c9cdfac01ce458b703032241dfac86b3bfb081491bcd87429ce77c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:36,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:36,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:27:36,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:36,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:37,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:37,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:37,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:37,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:37,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:37,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:37,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:37,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:37,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:37,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:37,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:37,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:37,075 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:37,075 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:37,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:37,076 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:37,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:37,077 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:37,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:37,080 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:37,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:37,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:37,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:37,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:37,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:37,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:37,084 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:37,084 INFO L153 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_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d44b68cce1c9cdfac01ce458b703032241dfac86b3bfb081491bcd87429ce77c [2023-11-21 18:27:37,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:37,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:37,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:37,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:37,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:37,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_11_good.i [2023-11-21 18:27:41,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:41,672 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:41,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_11_good.i [2023-11-21 18:27:41,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/data/5646537e1/2c04d9082c264f6bb221c5b2004d30d0/FLAGb59a58b9b [2023-11-21 18:27:41,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/data/5646537e1/2c04d9082c264f6bb221c5b2004d30d0 [2023-11-21 18:27:41,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:41,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:41,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:41,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:41,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:41,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:41" (1/1) ... [2023-11-21 18:27:41,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33579c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:41, skipping insertion in model container [2023-11-21 18:27:41,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:41" (1/1) ... [2023-11-21 18:27:41,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:42,584 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:43,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:43,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:43,415 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:43,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:43,700 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:43,701 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:43,701 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:43,701 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:43,702 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:43,711 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:43,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43 WrapperNode [2023-11-21 18:27:43,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:43,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:43,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:43,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:43,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,925 INFO L138 Inliner]: procedures = 503, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 223 [2023-11-21 18:27:43,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:43,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:43,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:43,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:43,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,979 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:43,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:44,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:44,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:44,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:44,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:44,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:43" (1/1) ... [2023-11-21 18:27:44,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:44,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:44,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:44,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:27:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:27:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:27:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:27:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-21 18:27:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-21 18:27:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-21 18:27:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-21 18:27:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:27:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:27:44,312 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:44,315 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:44,757 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:45,192 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:45,193 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:27:45,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:45 BoogieIcfgContainer [2023-11-21 18:27:45,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:45,197 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:45,197 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:45,209 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:45,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:45" (1/1) ... [2023-11-21 18:27:45,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:45,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2023-11-21 18:27:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-21 18:27:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:27:45,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:45,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 88 transitions. [2023-11-21 18:27:46,610 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-21 18:27:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:27:46,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:46,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:47,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 87 transitions. [2023-11-21 18:27:47,161 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-21 18:27:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:27:47,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:47,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:47,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 84 transitions. [2023-11-21 18:27:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-21 18:27:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:27:47,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:47,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 65 states and 83 transitions. [2023-11-21 18:27:48,216 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-11-21 18:27:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:27:48,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:48,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 82 transitions. [2023-11-21 18:27:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-21 18:27:48,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:27:48,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:48,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 18:27:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 81 transitions. [2023-11-21 18:27:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-21 18:27:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:27:48,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:27:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 68 states and 88 transitions. [2023-11-21 18:27:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-21 18:27:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:27:49,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:49,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:27:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 89 transitions. [2023-11-21 18:27:49,432 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-21 18:27:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:27:49,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 18:27:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 76 transitions. [2023-11-21 18:27:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-21 18:27:49,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:27:49,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:49,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:27:50,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 75 transitions. [2023-11-21 18:27:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-21 18:27:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:27:50,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:50,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:27:50,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 60 states and 74 transitions. [2023-11-21 18:27:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-21 18:27:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:50,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-21 18:27:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 73 transitions. [2023-11-21 18:27:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-11-21 18:27:51,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:27:51,041 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-21 18:27:51,055 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:27:51,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:27:51,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:51 ImpRootNode [2023-11-21 18:27:51,226 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:51,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:51,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:51,229 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:51,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:45" (3/4) ... [2023-11-21 18:27:51,233 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:27:51,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:27:51,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-21 18:27:51,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:27:51,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-21 18:27:51,265 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2023-11-21 18:27:51,266 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:27:51,267 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:27:51,268 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:27:51,486 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:27:51,486 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:27:51,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:51,487 INFO L158 Benchmark]: Toolchain (without parser) took 9723.81ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 149.3MB in the beginning and 126.0MB in the end (delta: 23.3MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-21 18:27:51,488 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:51,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1943.94ms. Allocated memory is still 184.5MB. Free memory was 149.3MB in the beginning and 84.3MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-21 18:27:51,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 218.70ms. Allocated memory is still 184.5MB. Free memory was 84.3MB in the beginning and 147.2MB in the end (delta: -62.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:27:51,490 INFO L158 Benchmark]: Boogie Preprocessor took 81.31ms. Allocated memory is still 184.5MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:27:51,490 INFO L158 Benchmark]: RCFGBuilder took 1181.15ms. Allocated memory is still 184.5MB. Free memory was 145.1MB in the beginning and 148.4MB in the end (delta: -3.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-21 18:27:51,491 INFO L158 Benchmark]: CodeCheck took 6029.63ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 148.3MB in the beginning and 134.4MB in the end (delta: 13.9MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-11-21 18:27:51,492 INFO L158 Benchmark]: Witness Printer took 258.37ms. Allocated memory is still 222.3MB. Free memory was 134.4MB in the beginning and 126.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:51,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 5 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1568 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 1099 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 345 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1019 IncrementalHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 345 mSolverCounterUnsat, 987 mSDtfsCounter, 1019 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3336 GetRequests, 3282 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 215/220 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1943.94ms. Allocated memory is still 184.5MB. Free memory was 149.3MB in the beginning and 84.3MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 218.70ms. Allocated memory is still 184.5MB. Free memory was 84.3MB in the beginning and 147.2MB in the end (delta: -62.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.31ms. Allocated memory is still 184.5MB. Free memory was 147.2MB in the beginning and 145.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1181.15ms. Allocated memory is still 184.5MB. Free memory was 145.1MB in the beginning and 148.4MB in the end (delta: -3.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * CodeCheck took 6029.63ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 148.3MB in the beginning and 134.4MB in the end (delta: 13.9MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Witness Printer took 258.37ms. Allocated memory is still 222.3MB. Free memory was 134.4MB in the beginning and 126.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:27:51,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_994aff5e-1c6d-41ed-b379-e1b8fd998280/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE