./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_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_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/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_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/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_10457323-ec66-4e4c-a78e-2c2572d33676/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 ae5ba7d6fd7114a96c87d24a6261751fd332b98d07d1a53815b0c414e7d334e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:32,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:32,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:26:32,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:32,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:32,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:32,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:32,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:32,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:32,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:32,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:32,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:32,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:32,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:32,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:32,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:32,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:32,841 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:32,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:32,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:32,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:32,843 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:32,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:32,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:32,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:32,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:32,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:32,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:32,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:32,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:32,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:32,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:32,849 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_10457323-ec66-4e4c-a78e-2c2572d33676/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5ba7d6fd7114a96c87d24a6261751fd332b98d07d1a53815b0c414e7d334e3 [2023-11-21 18:26:33,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:33,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:33,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:33,170 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:33,170 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:33,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i [2023-11-21 18:26:36,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:36,702 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:36,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i [2023-11-21 18:26:36,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/data/ec96cc54e/594f2ae0dbb543f8a4e5a857dbf0a522/FLAG1b360e12e [2023-11-21 18:26:36,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/data/ec96cc54e/594f2ae0dbb543f8a4e5a857dbf0a522 [2023-11-21 18:26:36,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:36,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:36,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:36,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:36,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:36,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:36" (1/1) ... [2023-11-21 18:26:36,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349977b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:36, skipping insertion in model container [2023-11-21 18:26:36,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:36" (1/1) ... [2023-11-21 18:26:36,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:37,362 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:37,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:37,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:37,971 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:38,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:38,265 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:38,266 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:38,266 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:38,266 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:38,266 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:38,266 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:38,274 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:38,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38 WrapperNode [2023-11-21 18:26:38,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:38,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:38,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:38,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:38,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,369 INFO L138 Inliner]: procedures = 504, calls = 99, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 191 [2023-11-21 18:26:38,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:38,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:38,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:38,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:38,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:38,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:38,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:38,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:38,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:38,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:26:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:26:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:26:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:26:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:26:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:26:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:26:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:38,697 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:38,699 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:38,930 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:38,981 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:38,981 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:26:38,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:38 BoogieIcfgContainer [2023-11-21 18:26:38,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:38,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:38,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:38,994 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:38,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:39,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2023-11-21 18:26:39,062 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-11-21 18:26:39,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:26:39,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:39,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:39,417 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 18:26:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 104 transitions. [2023-11-21 18:26:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2023-11-21 18:26:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:26:39,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:39,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:39,642 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 18:26:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 103 transitions. [2023-11-21 18:26:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2023-11-21 18:26:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:26:39,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:39,832 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 18:26:39,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 113 transitions. [2023-11-21 18:26:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2023-11-21 18:26:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:26:39,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:39,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 102 transitions. [2023-11-21 18:26:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2023-11-21 18:26:40,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:26:40,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,190 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 18:26:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 101 transitions. [2023-11-21 18:26:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2023-11-21 18:26:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:26:40,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 98 transitions. [2023-11-21 18:26:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-21 18:26:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:26:40,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 68 states and 93 transitions. [2023-11-21 18:26:40,520 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-11-21 18:26:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:26:40,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 92 transitions. [2023-11-21 18:26:40,649 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-21 18:26:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:26:40,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 73 states and 100 transitions. [2023-11-21 18:26:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2023-11-21 18:26:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:26:40,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:40,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:41,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 66 states and 91 transitions. [2023-11-21 18:26:41,115 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2023-11-21 18:26:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:26:41,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:41,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 86 transitions. [2023-11-21 18:26:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-21 18:26:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:26:41,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:41,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 91 transitions. [2023-11-21 18:26:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-21 18:26:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:26:41,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:41,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 97 transitions. [2023-11-21 18:26:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2023-11-21 18:26:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:26:41,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:41,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:41,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:26:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:41,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 61 states and 81 transitions. [2023-11-21 18:26:41,943 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-11-21 18:26:41,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:26:41,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:41,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:42,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:42,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 76 transitions. [2023-11-21 18:26:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-21 18:26:42,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:26:42,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:42,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 82 transitions. [2023-11-21 18:26:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2023-11-21 18:26:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:26:42,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:42,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 66 states and 89 transitions. [2023-11-21 18:26:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-21 18:26:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:26:42,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:42,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 69 transitions. [2023-11-21 18:26:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-21 18:26:42,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:26:42,976 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-21 18:26:42,989 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:26:43,138 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:26:43,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:26:43 ImpRootNode [2023-11-21 18:26:43,146 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:26:43,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:26:43,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:26:43,148 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:26:43,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:38" (3/4) ... [2023-11-21 18:26:43,150 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:26:43,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:26:43,155 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:26:43,171 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-21 18:26:43,172 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 18:26:43,172 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 18:26:43,173 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 18:26:43,174 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:26:43,351 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:26:43,352 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:26:43,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:26:43,353 INFO L158 Benchmark]: Toolchain (without parser) took 6582.17ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 117.3MB in the beginning and 46.6MB in the end (delta: 70.7MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2023-11-21 18:26:43,354 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:43,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1501.44ms. Allocated memory is still 155.2MB. Free memory was 117.3MB in the beginning and 100.6MB in the end (delta: 16.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-21 18:26:43,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.31ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 97.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:43,355 INFO L158 Benchmark]: Boogie Preprocessor took 36.47ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:43,355 INFO L158 Benchmark]: RCFGBuilder took 574.94ms. Allocated memory is still 155.2MB. Free memory was 95.4MB in the beginning and 74.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:26:43,356 INFO L158 Benchmark]: CodeCheck took 4162.89ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 74.4MB in the beginning and 53.9MB in the end (delta: 20.5MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-21 18:26:43,356 INFO L158 Benchmark]: Witness Printer took 205.69ms. Allocated memory is still 186.6MB. Free memory was 53.9MB in the beginning and 46.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:26:43,359 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 3 procedures, 75 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2444 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 484 mSDsluCounter, 2103 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 542 mSDsCounter, 471 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1072 IncrementalHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 471 mSolverCounterUnsat, 1561 mSDtfsCounter, 1072 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4211 GetRequests, 4136 SyntacticMatches, 13 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 66/66 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: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: 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: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1501.44ms. Allocated memory is still 155.2MB. Free memory was 117.3MB in the beginning and 100.6MB in the end (delta: 16.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.31ms. Allocated memory is still 155.2MB. Free memory was 100.6MB in the beginning and 97.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.47ms. Allocated memory is still 155.2MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.94ms. Allocated memory is still 155.2MB. Free memory was 95.4MB in the beginning and 74.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4162.89ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 74.4MB in the beginning and 53.9MB in the end (delta: 20.5MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Witness Printer took 205.69ms. Allocated memory is still 186.6MB. Free memory was 53.9MB in the beginning and 46.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:26:43,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10457323-ec66-4e4c-a78e-2c2572d33676/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