./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c --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_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/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_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/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_d52096d5-21e3-4173-8c51-25b76edf1737/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 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:54:30,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:54:30,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:54:30,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:54:30,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:54:30,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:54:30,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:54:30,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:54:30,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:54:30,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:54:30,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:54:30,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:54:30,274 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:54:30,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:54:30,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:54:30,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:54:30,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:54:30,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:54:30,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:54:30,277 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:54:30,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:54:30,278 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:54:30,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:54:30,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:54:30,280 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:54:30,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:54:30,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:54:30,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:54:30,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:30,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:54:30,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:54:30,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:54:30,283 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:54:30,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:54:30,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:54:30,284 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_d52096d5-21e3-4173-8c51-25b76edf1737/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 [2023-11-21 18:54:30,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:54:30,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:54:30,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:54:30,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:54:30,610 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:54:30,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2023-11-21 18:54:33,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:54:34,013 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:54:34,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2023-11-21 18:54:34,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/data/727b66e14/d29d9915f6314d989ee78e289f3c782f/FLAG5651f2176 [2023-11-21 18:54:34,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/data/727b66e14/d29d9915f6314d989ee78e289f3c782f [2023-11-21 18:54:34,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:54:34,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:54:34,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:34,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:54:34,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:54:34,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7245a162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34, skipping insertion in model container [2023-11-21 18:54:34,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:54:34,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:34,300 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:54:34,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:54:34,341 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:54:34,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34 WrapperNode [2023-11-21 18:54:34,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:54:34,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:34,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:54:34,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:54:34,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,380 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-21 18:54:34,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:54:34,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:54:34,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:54:34,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:54:34,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:54:34,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:54:34,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:54:34,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:54:34,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:54:34,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:54:34,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:54:34,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:54:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:54:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:54:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:54:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:54:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:54:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:54:34,556 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:54:34,559 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:54:34,779 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:54:34,874 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:54:34,875 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:54:34,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:34 BoogieIcfgContainer [2023-11-21 18:54:34,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:54:34,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:54:34,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:54:34,887 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:54:34,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:34" (1/1) ... [2023-11-21 18:54:34,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:54:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-21 18:54:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-21 18:54:34,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:54:34,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:34,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,157 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 18:54:35,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-21 18:54:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-21 18:54:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:54:35,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:35,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,319 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 18:54:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-21 18:54:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-21 18:54:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:54:35,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:35,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,455 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 18:54:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-21 18:54:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-21 18:54:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:54:35,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:35,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:35,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:35,677 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 18:54:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-21 18:54:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-21 18:54:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:54:35,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:35,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:35,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:35,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:54:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-21 18:54:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-21 18:54:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:54:36,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:36,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:36,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:36,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:36,237 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 18:54:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-21 18:54:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-21 18:54:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:54:36,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:36,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:36,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:54:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:37,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-21 18:54:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-21 18:54:37,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:54:37,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:37,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:37,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:37,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:54:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 108 transitions. [2023-11-21 18:54:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2023-11-21 18:54:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:54:37,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:37,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:54:37,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:54:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2023-11-21 18:54:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2023-11-21 18:54:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:54:38,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:38,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:38,267 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:54:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 141 transitions. [2023-11-21 18:54:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2023-11-21 18:54:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:54:38,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:38,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:38,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:38,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:38,897 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:54:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 68 states and 120 transitions. [2023-11-21 18:54:39,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2023-11-21 18:54:39,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:54:39,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:39,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:39,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:39,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:54:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 64 states and 111 transitions. [2023-11-21 18:54:39,447 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2023-11-21 18:54:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:54:39,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:39,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:39,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:39,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:54:39,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 63 states and 110 transitions. [2023-11-21 18:54:39,749 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2023-11-21 18:54:39,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:54:39,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:39,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:39,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:39,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:54:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 55 states and 93 transitions. [2023-11-21 18:54:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2023-11-21 18:54:40,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:54:40,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:40,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:40,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:54:40,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:54:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 58 states and 97 transitions. [2023-11-21 18:54:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2023-11-21 18:54:40,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:54:40,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:40,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:40,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:54:40,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:54:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 49 states and 73 transitions. [2023-11-21 18:54:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2023-11-21 18:54:41,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:54:41,407 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-21 18:54:41,419 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:54:41,540 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:54:41,544 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:54:41,544 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:54:41,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:54:41 ImpRootNode [2023-11-21 18:54:41,545 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:54:41,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:54:41,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:54:41,545 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:54:41,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:54:34" (3/4) ... [2023-11-21 18:54:41,548 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:54:41,551 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:54:41,556 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 18:54:41,556 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:54:41,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:54:41,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:54:41,678 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:54:41,679 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:54:41,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:54:41,680 INFO L158 Benchmark]: Toolchain (without parser) took 7630.22ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 112.7MB in the beginning and 71.6MB in the end (delta: 41.1MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,680 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:41,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.11ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 101.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.48ms. Allocated memory is still 144.7MB. Free memory was 101.6MB in the beginning and 100.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,681 INFO L158 Benchmark]: Boogie Preprocessor took 25.44ms. Allocated memory is still 144.7MB. Free memory was 100.1MB in the beginning and 98.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:54:41,682 INFO L158 Benchmark]: RCFGBuilder took 468.54ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 106.6MB in the end (delta: -7.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,682 INFO L158 Benchmark]: CodeCheck took 6667.35ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 106.6MB in the beginning and 76.9MB in the end (delta: 29.7MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,683 INFO L158 Benchmark]: Witness Printer took 133.99ms. Allocated memory is still 174.1MB. Free memory was 76.9MB in the beginning and 71.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:54:41,685 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 2 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1213 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 826 mSDsluCounter, 1463 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 719 mSDsCounter, 1234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3091 IncrementalHoareTripleChecker+Invalid, 4325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1234 mSolverCounterUnsat, 744 mSDtfsCounter, 3091 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3253 GetRequests, 2902 SyntacticMatches, 243 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6759 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1010 SizeOfPredicates, 50 NumberOfNonLiveVariables, 1219 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 236/351 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.11ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 101.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.48ms. Allocated memory is still 144.7MB. Free memory was 101.6MB in the beginning and 100.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.44ms. Allocated memory is still 144.7MB. Free memory was 100.1MB in the beginning and 98.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.54ms. Allocated memory is still 144.7MB. Free memory was 98.8MB in the beginning and 106.6MB in the end (delta: -7.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 6667.35ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 106.6MB in the beginning and 76.9MB in the end (delta: 29.7MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Witness Printer took 133.99ms. Allocated memory is still 174.1MB. Free memory was 76.9MB in the beginning and 71.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:54:41,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52096d5-21e3-4173-8c51-25b76edf1737/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