./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_3.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_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/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_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/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_2dba142e-36ef-4f62-af6d-bae9345e3c10/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 c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:20,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:20,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:20,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:20,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:20,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:20,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:20,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:20,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:20,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:20,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:20,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:20,872 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:20,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:20,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:20,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:20,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:20,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:20,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:20,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:20,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:20,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:20,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:20,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:20,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:20,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:20,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:20,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:20,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:20,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:20,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:20,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:20,884 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:20,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:20,884 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:20,884 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_2dba142e-36ef-4f62-af6d-bae9345e3c10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 [2023-11-21 18:36:21,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:21,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:21,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:21,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:21,248 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:21,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/float-benchs/zonotope_3.c [2023-11-21 18:36:24,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:24,614 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:24,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/sv-benchmarks/c/float-benchs/zonotope_3.c [2023-11-21 18:36:24,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/data/5a67400a6/cc8f33bc482145dfb95f3499131d1186/FLAG40cb16a8f [2023-11-21 18:36:24,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/data/5a67400a6/cc8f33bc482145dfb95f3499131d1186 [2023-11-21 18:36:24,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:24,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:24,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:24,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:24,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:24,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:24,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e32eb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24, skipping insertion in model container [2023-11-21 18:36:24,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:24,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:24,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:24,928 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:24,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:24,973 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:24,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24 WrapperNode [2023-11-21 18:36:24,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:24,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:24,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:24,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:24,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:24,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,013 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2023-11-21 18:36:25,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:25,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:25,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:25,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:25,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:25,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:25,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:25,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:25,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:24" (1/1) ... [2023-11-21 18:36:25,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:25,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:25,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-21 18:36:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-21 18:36:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure g [2023-11-21 18:36:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2023-11-21 18:36:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:25,205 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:25,208 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:25,436 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:25,515 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:25,517 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:36:25,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:25 BoogieIcfgContainer [2023-11-21 18:36:25,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:25,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:25,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:25,532 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:25,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:25" (1/1) ... [2023-11-21 18:36:25,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-21 18:36:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-21 18:36:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:36:25,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2023-11-21 18:36:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-11-21 18:36:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:36:26,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:36:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2023-11-21 18:36:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-21 18:36:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:36:26,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:36:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2023-11-21 18:36:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-11-21 18:36:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:36:26,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:26,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2023-11-21 18:36:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 63 transitions. [2023-11-21 18:36:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-21 18:36:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:36:27,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:27,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-21 18:36:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 36 states and 46 transitions. [2023-11-21 18:36:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2023-11-21 18:36:27,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:36:27,768 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-21 18:36:27,778 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-21 18:36:27,837 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:36:27,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:36:27 ImpRootNode [2023-11-21 18:36:27,843 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:36:27,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:36:27,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:36:27,844 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:36:27,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:25" (3/4) ... [2023-11-21 18:36:27,848 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:36:27,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2023-11-21 18:36:27,852 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2023-11-21 18:36:27,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-21 18:36:27,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:36:27,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:36:27,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:36:27,975 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:36:27,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:36:27,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:36:27,977 INFO L158 Benchmark]: Toolchain (without parser) took 3319.63ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 108.7MB in the beginning and 164.5MB in the end (delta: -55.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:36:27,978 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:27,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.10ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 98.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:36:27,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.36ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:27,979 INFO L158 Benchmark]: Boogie Preprocessor took 27.40ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:27,979 INFO L158 Benchmark]: RCFGBuilder took 476.54ms. Allocated memory is still 155.2MB. Free memory was 95.3MB in the beginning and 81.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:36:27,980 INFO L158 Benchmark]: CodeCheck took 2322.57ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 81.9MB in the beginning and 169.6MB in the end (delta: -87.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:27,980 INFO L158 Benchmark]: Witness Printer took 133.30ms. Allocated memory is still 220.2MB. Free memory was 169.6MB in the beginning and 164.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:36:27,983 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 359 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 103 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 103 mSolverCounterUnsat, 250 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1369 SyntacticMatches, 22 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 301/332 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.10ms. Allocated memory is still 155.2MB. Free memory was 108.7MB in the beginning and 98.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.36ms. Allocated memory is still 155.2MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.40ms. Allocated memory is still 155.2MB. Free memory was 96.6MB in the beginning and 95.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.54ms. Allocated memory is still 155.2MB. Free memory was 95.3MB in the beginning and 81.9MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 2322.57ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 81.9MB in the beginning and 169.6MB in the end (delta: -87.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 133.30ms. Allocated memory is still 220.2MB. Free memory was 169.6MB in the beginning and 164.5MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:36:28,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dba142e-36ef-4f62-af6d-bae9345e3c10/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