./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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 32bit --witnessprinter.graph.data.programhash 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:44,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:45,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:35:45,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:45,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:45,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:45,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:45,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:45,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:45,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:45,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:45,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:45,074 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:35:45,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:45,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:35:45,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:45,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:45,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:45,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:45,078 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:45,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:45,079 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:35:45,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:45,080 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:45,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:45,081 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:45,081 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:45,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:45,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:45,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:45,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:45,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:45,085 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:45,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:45,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:45,085 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_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2023-11-21 18:35:45,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:45,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:45,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:45,478 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:45,479 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:45,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/bitvector/modulus-2.i [2023-11-21 18:35:48,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:48,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:48,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/sv-benchmarks/c/bitvector/modulus-2.i [2023-11-21 18:35:48,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data/748f8515d/576a88bd72e6498488fe5eb634e93e1e/FLAGf59c51ec5 [2023-11-21 18:35:48,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data/748f8515d/576a88bd72e6498488fe5eb634e93e1e [2023-11-21 18:35:49,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:49,003 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:49,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:49,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:49,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:49,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:48" (1/1) ... [2023-11-21 18:35:49,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c18d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49, skipping insertion in model container [2023-11-21 18:35:49,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:48" (1/1) ... [2023-11-21 18:35:49,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:49,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:49,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:49,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:49,288 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:49,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49 WrapperNode [2023-11-21 18:35:49,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:49,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:49,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:49,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:49,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,412 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2023-11-21 18:35:49,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:49,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:49,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:49,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:49,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:49,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:49,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:49,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:49,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:49" (1/1) ... [2023-11-21 18:35:49,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:49,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:49,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:49,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:49,651 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:49,654 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:49,906 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:50,059 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:50,059 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:35:50,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:50 BoogieIcfgContainer [2023-11-21 18:35:50,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:50,062 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:50,062 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:50,077 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:50,078 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:50" (1/1) ... [2023-11-21 18:35:50,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-21 18:35:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-21 18:35:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:35:50,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:50,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:50,461 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 18:35:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:35:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:35:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:35:50,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:50,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:50,592 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 18:35:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:35:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:35:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:35:50,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:50,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:35:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:50,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:35:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:35:50,707 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-21 18:35:50,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-21 18:35:50,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:35:50 ImpRootNode [2023-11-21 18:35:50,736 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:35:50,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:35:50,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:35:50,737 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:35:50,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:50" (3/4) ... [2023-11-21 18:35:50,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:35:50,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:35:50,741 INFO L158 Benchmark]: Toolchain (without parser) took 1738.66ms. Allocated memory is still 148.9MB. Free memory was 110.9MB in the beginning and 78.3MB in the end (delta: 32.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:50,742 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:50,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.34ms. Allocated memory is still 148.9MB. Free memory was 110.1MB in the beginning and 99.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:35:50,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.29ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 98.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:50,744 INFO L158 Benchmark]: Boogie Preprocessor took 27.09ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:50,745 INFO L158 Benchmark]: RCFGBuilder took 620.31ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 104.3MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:35:50,745 INFO L158 Benchmark]: CodeCheck took 674.00ms. Allocated memory is still 148.9MB. Free memory was 104.3MB in the beginning and 78.3MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:35:50,746 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 148.9MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:50,752 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 1 procedures, 16 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 51. Possible FailurePath: [L46] unsigned int n = __VERIFIER_nondet_uint(); [L47] unsigned int s = __VERIFIER_nondet_uint(); [L48] unsigned int d; [L49] unsigned int m; [L50] CALL assume_abort_if_not(s < 31) [L11] COND FALSE !(!cond) [L50] RET assume_abort_if_not(s < 31) [L51] 1 << s VAL [s=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.34ms. Allocated memory is still 148.9MB. Free memory was 110.1MB in the beginning and 99.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.29ms. Allocated memory is still 148.9MB. Free memory was 99.7MB in the beginning and 98.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.09ms. Allocated memory is still 148.9MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.31ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 104.3MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 674.00ms. Allocated memory is still 148.9MB. Free memory was 104.3MB in the beginning and 78.3MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 148.9MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:35:50,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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 32bit --witnessprinter.graph.data.programhash 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:53,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:53,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:35:53,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:53,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:53,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:53,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:53,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:53,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:53,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:53,665 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:35:53,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:35:53,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:53,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:53,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:53,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:53,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:35:53,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:35:53,675 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:53,676 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:35:53,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:53,677 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:35:53,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:53,678 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:53,678 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:53,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:53,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:53,679 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:53,680 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:35:53,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:53,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:53,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:53,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:53,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:53,683 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:35:53,683 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:53,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:53,684 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:35:53,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:35:53,685 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2023-11-21 18:35:54,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:54,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:54,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:54,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:54,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:54,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/bitvector/modulus-2.i [2023-11-21 18:35:57,428 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:57,725 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:57,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/sv-benchmarks/c/bitvector/modulus-2.i [2023-11-21 18:35:57,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data/7ad604109/df39b701f7b945edb15711799cad2454/FLAGb259dfbcd [2023-11-21 18:35:57,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/data/7ad604109/df39b701f7b945edb15711799cad2454 [2023-11-21 18:35:57,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:57,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:57,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:57,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:57,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:57,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:57" (1/1) ... [2023-11-21 18:35:57,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382e8a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:57, skipping insertion in model container [2023-11-21 18:35:57,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:57" (1/1) ... [2023-11-21 18:35:57,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:58,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:58,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:58,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:58,107 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:58,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58 WrapperNode [2023-11-21 18:35:58,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:58,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:58,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:58,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:58,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,150 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-11-21 18:35:58,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:58,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:58,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:58,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:58,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:58,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:58,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:58,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:58,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:58,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:58,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:58,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:35:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:58,358 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:58,361 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:58,592 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:58,697 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:58,698 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:35:58,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:58 BoogieIcfgContainer [2023-11-21 18:35:58,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:58,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:58,701 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:58,710 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:58,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:58" (1/1) ... [2023-11-21 18:35:58,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-21 18:35:58,794 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-21 18:35:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:35:58,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:58,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:58,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:58,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:58,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:35:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:58,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:58,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:58,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:58,967 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 18:35:58,969 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:58,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:35:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:35:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:35:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:35:59,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:59,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:59,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:59,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:59,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:35:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:59,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:59,130 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 18:35:59,133 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:59,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:35:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:35:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:35:59,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:59,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:59,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:59,172 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:59,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:35:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:35:59,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:59,265 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 18:35:59,267 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:35:59,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-21 18:35:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-21 18:35:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:35:59,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:59,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:59,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:59,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:59,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:35:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:59,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:59,434 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 18:35:59,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-21 18:35:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-21 18:35:59,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:35:59,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:59,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:59,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:59,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:59,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:35:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:35:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:59,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:35:59,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:59,524 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 18:35:59,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-21 18:35:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-21 18:35:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-21 18:35:59,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:35:59,538 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-21 18:35:59,550 INFO L751 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2023-11-21 18:35:59,586 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:59,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:59,589 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:59,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:35:59 ImpRootNode [2023-11-21 18:35:59,590 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:35:59,590 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:35:59,591 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:35:59,591 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:35:59,592 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:58" (3/4) ... [2023-11-21 18:35:59,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:35:59,605 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-21 18:35:59,606 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:35:59,606 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:35:59,607 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:35:59,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:35:59,729 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:35:59,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:35:59,730 INFO L158 Benchmark]: Toolchain (without parser) took 1962.99ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 63.0MB in the beginning and 102.3MB in the end (delta: -39.3MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-21 18:35:59,730 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:59,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.37ms. Allocated memory is still 86.0MB. Free memory was 63.0MB in the beginning and 52.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:35:59,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.91ms. Allocated memory is still 86.0MB. Free memory was 52.2MB in the beginning and 50.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:59,735 INFO L158 Benchmark]: Boogie Preprocessor took 57.17ms. Allocated memory is still 86.0MB. Free memory was 50.6MB in the beginning and 49.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:59,739 INFO L158 Benchmark]: RCFGBuilder took 490.02ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 64.9MB in the end (delta: -15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:35:59,739 INFO L158 Benchmark]: CodeCheck took 889.41ms. Allocated memory is still 86.0MB. Free memory was 64.9MB in the beginning and 39.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:59,741 INFO L158 Benchmark]: Witness Printer took 138.74ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 39.5MB in the beginning and 102.3MB in the end (delta: -62.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-21 18:35:59,743 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 1 procedures, 16 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 74 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.37ms. Allocated memory is still 86.0MB. Free memory was 63.0MB in the beginning and 52.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.91ms. Allocated memory is still 86.0MB. Free memory was 52.2MB in the beginning and 50.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.17ms. Allocated memory is still 86.0MB. Free memory was 50.6MB in the beginning and 49.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.02ms. Allocated memory is still 86.0MB. Free memory was 49.2MB in the beginning and 64.9MB in the end (delta: -15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 889.41ms. Allocated memory is still 86.0MB. Free memory was 64.9MB in the beginning and 39.5MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 138.74ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 39.5MB in the beginning and 102.3MB in the end (delta: -62.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:35:59,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93d8b308-8d7a-4292-bab8-e1b7a3f54e87/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