./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/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_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/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_0218e129-506d-4cb7-854b-a838039de400/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 4b51f4029fe0e1c73647ce717f5ff8982ee8d75d5414b6a5aec430492393b6a2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:19,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:20,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:31:20,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:20,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:20,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:20,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:20,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:20,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:20,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:20,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:20,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:20,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:20,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:20,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:20,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:20,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:20,096 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:20,097 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:20,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:20,098 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:20,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:20,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:20,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:20,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:20,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:20,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:20,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:20,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:20,103 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:20,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:20,105 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:20,105 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_0218e129-506d-4cb7-854b-a838039de400/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b51f4029fe0e1c73647ce717f5ff8982ee8d75d5414b6a5aec430492393b6a2 [2023-11-21 18:31:20,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:20,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:20,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:20,416 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:20,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:20,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i [2023-11-21 18:31:23,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:24,040 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:24,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_11_good.i [2023-11-21 18:31:24,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/data/5736ef988/428aeb3077f84a72b90152ef1ec1e923/FLAG63ff2a339 [2023-11-21 18:31:24,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/data/5736ef988/428aeb3077f84a72b90152ef1ec1e923 [2023-11-21 18:31:24,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:24,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:24,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:24,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:24,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:24,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:24" (1/1) ... [2023-11-21 18:31:24,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433b99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:24, skipping insertion in model container [2023-11-21 18:31:24,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:24" (1/1) ... [2023-11-21 18:31:24,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:24,632 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:31:25,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:25,247 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:25,276 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:31:25,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:25,582 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,583 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,583 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,583 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,584 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,592 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:25,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25 WrapperNode [2023-11-21 18:31:25,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:25,594 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:25,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:25,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:25,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,685 INFO L138 Inliner]: procedures = 503, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-21 18:31:25,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:25,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:25,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:25,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:25,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:25,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:25,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:25,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:25,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:25,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:25,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:25,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:31:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:31:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:31:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:31:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-21 18:31:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-21 18:31:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-21 18:31:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-21 18:31:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:31:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:25,976 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:25,979 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:26,220 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:26,282 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:26,282 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:31:26,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:26 BoogieIcfgContainer [2023-11-21 18:31:26,284 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:26,285 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:26,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:26,298 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:26,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:26" (1/1) ... [2023-11-21 18:31:26,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2023-11-21 18:31:26,372 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-21 18:31:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:31:26,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,907 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 18:31:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 81 transitions. [2023-11-21 18:31:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-21 18:31:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:27,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,241 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 18:31:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 62 states and 78 transitions. [2023-11-21 18:31:27,395 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2023-11-21 18:31:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:27,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 70 transitions. [2023-11-21 18:31:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-21 18:31:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:31:27,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,805 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 18:31:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 56 states and 69 transitions. [2023-11-21 18:31:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-21 18:31:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:31:27,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,066 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 18:31:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 76 transitions. [2023-11-21 18:31:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-21 18:31:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:31:28,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,237 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 18:31:28,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 77 transitions. [2023-11-21 18:31:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-11-21 18:31:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:31:28,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,404 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 18:31:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 64 transitions. [2023-11-21 18:31:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-21 18:31:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:31:28,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,614 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 18:31:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 63 transitions. [2023-11-21 18:31:28,793 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-11-21 18:31:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:31:28,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,969 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 18:31:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 62 transitions. [2023-11-21 18:31:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-21 18:31:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:31:29,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,170 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 18:31:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 61 transitions. [2023-11-21 18:31:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-21 18:31:29,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:31:29,191 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-21 18:31:29,201 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:31:29,306 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:31:29,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:31:29 ImpRootNode [2023-11-21 18:31:29,312 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:31:29,312 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:31:29,312 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:31:29,313 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:31:29,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:26" (3/4) ... [2023-11-21 18:31:29,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:31:29,319 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:31:29,319 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-21 18:31:29,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:31:29,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-21 18:31:29,326 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-21 18:31:29,327 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:31:29,328 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:31:29,328 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:31:29,442 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:31:29,442 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:31:29,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:31:29,443 INFO L158 Benchmark]: Toolchain (without parser) took 5332.20ms. Allocated memory was 155.2MB in the beginning and 237.0MB in the end (delta: 81.8MB). Free memory was 106.4MB in the beginning and 102.5MB in the end (delta: 3.9MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2023-11-21 18:31:29,444 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:29,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.17ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 106.4MB in the beginning and 136.1MB in the end (delta: -29.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-21 18:31:29,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.51ms. Allocated memory is still 197.1MB. Free memory was 136.1MB in the beginning and 133.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:29,445 INFO L158 Benchmark]: Boogie Preprocessor took 36.32ms. Allocated memory is still 197.1MB. Free memory was 133.0MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:29,446 INFO L158 Benchmark]: RCFGBuilder took 561.00ms. Allocated memory is still 197.1MB. Free memory was 131.0MB in the beginning and 112.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:31:29,447 INFO L158 Benchmark]: CodeCheck took 3026.41ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 112.1MB in the beginning and 108.7MB in the end (delta: 3.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-21 18:31:29,447 INFO L158 Benchmark]: Witness Printer took 130.42ms. Allocated memory is still 237.0MB. Free memory was 108.7MB in the beginning and 102.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:29,450 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: 2.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1364 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 162 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 217 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 623 IncrementalHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 217 mSolverCounterUnsat, 858 mSDtfsCounter, 623 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2871 GetRequests, 2833 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 206/212 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 155.2MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.17ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 106.4MB in the beginning and 136.1MB in the end (delta: -29.8MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.51ms. Allocated memory is still 197.1MB. Free memory was 136.1MB in the beginning and 133.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.32ms. Allocated memory is still 197.1MB. Free memory was 133.0MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.00ms. Allocated memory is still 197.1MB. Free memory was 131.0MB in the beginning and 112.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3026.41ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 112.1MB in the beginning and 108.7MB in the end (delta: 3.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 130.42ms. Allocated memory is still 237.0MB. Free memory was 108.7MB in the beginning and 102.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:31:29,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0218e129-506d-4cb7-854b-a838039de400/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