./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_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_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/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_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/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_d12fdf79-a34e-4b65-ad83-304ecf0d807d/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 4c135c129b0512b8d0e747aa7800563e7a802952067697a3d85fe40d124575e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:18,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:18,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:31:18,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:18,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:18,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:18,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:18,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:18,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:18,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:18,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:18,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:18,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:18,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:18,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:18,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:18,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:18,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:18,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:18,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:18,592 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:18,593 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:18,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:18,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:18,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:18,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:18,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:18,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:18,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:18,597 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:18,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:18,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:18,600 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_d12fdf79-a34e-4b65-ad83-304ecf0d807d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c135c129b0512b8d0e747aa7800563e7a802952067697a3d85fe40d124575e2 [2023-11-21 18:31:18,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:18,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:18,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:18,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:18,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:18,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_good.i [2023-11-21 18:31:22,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:23,019 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:23,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_06_good.i [2023-11-21 18:31:23,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/data/04998f5cb/1145af9166fd42c29aade341fd1c19bd/FLAGbf7ea16cb [2023-11-21 18:31:23,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/data/04998f5cb/1145af9166fd42c29aade341fd1c19bd [2023-11-21 18:31:23,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:23,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:23,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:23,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:23,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:23,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:23" (1/1) ... [2023-11-21 18:31:23,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c084fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:23, skipping insertion in model container [2023-11-21 18:31:23,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:23" (1/1) ... [2023-11-21 18:31:23,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:23,715 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:31:24,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:24,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:24,742 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:31:24,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:25,055 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,055 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,055 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,056 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,056 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,056 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:25,065 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:25,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:25 WrapperNode [2023-11-21 18:31:25,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:25,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:25,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:25,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:25,077 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 18:31:25,127 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 18:31:25,162 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-21 18:31:25,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:25,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:25,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:25,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:25,181 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 18:31:25,197 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 18:31:25,202 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 18:31:25,202 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 18:31:25,212 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 18:31:25,215 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 18:31:25,218 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 18:31:25,220 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 18:31:25,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:25,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:25,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:25,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:25,227 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 18:31:25,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:25,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:25,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:25,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:31:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:31:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:31:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:31:25,322 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:31:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:31:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:31:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:25,513 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:25,516 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:25,768 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:25,902 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:25,902 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:31:25,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:25 BoogieIcfgContainer [2023-11-21 18:31:25,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:25,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:25,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:25,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:25,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:25" (1/1) ... [2023-11-21 18:31:25,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-21 18:31:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-21 18:31:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:31:26,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,423 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 18:31:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 76 transitions. [2023-11-21 18:31:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:31:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:31:26,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,675 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 18:31:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 75 transitions. [2023-11-21 18:31:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-21 18:31:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:31:26,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,851 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 18:31:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 82 transitions. [2023-11-21 18:31:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-21 18:31:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:31:26,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,086 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 18:31:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 74 transitions. [2023-11-21 18:31:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-21 18:31:27,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:31:27,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,286 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 18:31:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 76 transitions. [2023-11-21 18:31:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:31:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:31:27,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,519 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 18:31:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 79 transitions. [2023-11-21 18:31:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-21 18:31:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:31:27,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,654 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 18:31:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 73 transitions. [2023-11-21 18:31:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-21 18:31:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:31:27,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,793 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 18:31:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 72 transitions. [2023-11-21 18:31:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-21 18:31:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:31:27,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,982 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 18:31:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 80 transitions. [2023-11-21 18:31:28,092 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-21 18:31:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:31:28,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,162 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 18:31:28,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 76 transitions. [2023-11-21 18:31:28,299 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-11-21 18:31:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:31:28,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,359 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 18:31:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 78 transitions. [2023-11-21 18:31:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-21 18:31:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:31:28,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,605 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 18:31:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 70 transitions. [2023-11-21 18:31:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-21 18:31:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:31:28,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,826 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 18:31:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 67 transitions. [2023-11-21 18:31:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-21 18:31:28,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:31:28,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,012 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 18:31:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 71 transitions. [2023-11-21 18:31:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-21 18:31:29,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:31:29,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,179 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 18:31:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 76 transitions. [2023-11-21 18:31:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:31:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:29,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,366 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 18:31:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 59 states and 78 transitions. [2023-11-21 18:31:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2023-11-21 18:31:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:31:29,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,490 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 18:31:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 79 transitions. [2023-11-21 18:31:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-21 18:31:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:31:29,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,753 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 18:31:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 61 transitions. [2023-11-21 18:31:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-21 18:31:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:31:29,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:29,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,084 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 18:31:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 60 transitions. [2023-11-21 18:31:30,316 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-21 18:31:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:31:30,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,435 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 18:31:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 59 transitions. [2023-11-21 18:31:30,578 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-21 18:31:30,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:31:30,579 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2023-11-21 18:31:30,590 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:31:30,800 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:31:30,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:31:30 ImpRootNode [2023-11-21 18:31:30,805 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:31:30,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:31:30,806 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:31:30,806 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:31:30,807 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:25" (3/4) ... [2023-11-21 18:31:30,809 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:31:30,813 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:31:30,813 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:31:30,820 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 18:31:30,820 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:31:30,821 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:31:30,821 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:31:30,822 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:31:30,940 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:31:30,940 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:31:30,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:31:30,941 INFO L158 Benchmark]: Toolchain (without parser) took 7847.54ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 118.4MB in the beginning and 82.8MB in the end (delta: 35.6MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,942 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:30,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1967.97ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 99.6MB in the end (delta: 18.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.85ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 95.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,943 INFO L158 Benchmark]: Boogie Preprocessor took 60.25ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 94.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,943 INFO L158 Benchmark]: RCFGBuilder took 678.25ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 129.7MB in the end (delta: -35.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,944 INFO L158 Benchmark]: CodeCheck took 4900.21ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 129.7MB in the beginning and 89.0MB in the end (delta: 40.7MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,944 INFO L158 Benchmark]: Witness Printer took 134.65ms. Allocated memory is still 218.1MB. Free memory was 89.0MB in the beginning and 82.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,946 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2516 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 842 mSDsluCounter, 2244 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 712 mSDsCounter, 518 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1887 IncrementalHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 518 mSolverCounterUnsat, 1532 mSDtfsCounter, 1887 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4077 GetRequests, 4001 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1732 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1646]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1646]: 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: 1663]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 130.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1967.97ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 99.6MB in the end (delta: 18.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.85ms. Allocated memory is still 167.8MB. Free memory was 99.6MB in the beginning and 95.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.25ms. Allocated memory is still 167.8MB. Free memory was 95.9MB in the beginning and 94.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 678.25ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 129.7MB in the end (delta: -35.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * CodeCheck took 4900.21ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 129.7MB in the beginning and 89.0MB in the end (delta: 40.7MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Witness Printer took 134.65ms. Allocated memory is still 218.1MB. Free memory was 89.0MB in the beginning and 82.8MB 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 18:31:30,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12fdf79-a34e-4b65-ad83-304ecf0d807d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE