./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/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_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 00:48:05,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:48:05,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:48:05,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:48:05,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:48:05,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:48:05,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:48:05,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:48:05,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:48:05,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:48:05,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:48:05,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:48:05,424 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:48:05,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:48:05,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:48:05,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:48:05,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:48:05,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:48:05,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:48:05,428 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:48:05,428 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:48:05,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:48:05,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:48:05,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:48:05,432 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:48:05,432 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:48:05,433 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:48:05,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:48:05,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:48:05,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:48:05,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:48:05,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:48:05,435 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:48:05,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:48:05,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:48:05,435 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_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 [2023-12-03 00:48:05,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:48:05,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:48:05,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:48:05,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:48:05,682 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:48:05,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2023-12-03 00:48:08,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:48:08,603 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:48:08,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2023-12-03 00:48:08,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/data/923cb903d/c580151a5f2a4786aae99a3561a8ac08/FLAGf57cf611b [2023-12-03 00:48:08,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/data/923cb903d/c580151a5f2a4786aae99a3561a8ac08 [2023-12-03 00:48:08,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:48:08,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:48:08,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:48:08,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:48:08,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:48:08,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f238294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08, skipping insertion in model container [2023-12-03 00:48:08,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:48:08,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:48:08,805 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:48:08,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:48:08,834 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:48:08,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08 WrapperNode [2023-12-03 00:48:08,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:48:08,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:48:08,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:48:08,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:48:08,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,865 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-12-03 00:48:08,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:48:08,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:48:08,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:48:08,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:48:08,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:48:08,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:48:08,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:48:08,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:48:08,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:48:08" (1/1) ... [2023-12-03 00:48:08,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:48:08,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:48:08,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:48:08,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:48:08,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:48:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:48:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:48:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:48:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:48:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:48:09,027 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:48:09,029 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:48:09,192 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:48:09,250 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:48:09,250 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 00:48:09,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:48:09 BoogieIcfgContainer [2023-12-03 00:48:09,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:48:09,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:48:09,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:48:09,261 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:48:09,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:48:09" (1/1) ... [2023-12-03 00:48:09,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:48:09,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-12-03 00:48:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-12-03 00:48:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 00:48:09,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-12-03 00:48:09,531 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-12-03 00:48:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:48:09,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:09,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:09,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:09,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-12-03 00:48:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-12-03 00:48:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:48:09,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:09,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:48:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-12-03 00:48:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-12-03 00:48:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:48:09,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:09,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:48:09,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:48:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:10,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-12-03 00:48:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-12-03 00:48:10,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:48:10,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:10,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:48:10,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:48:10,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 82 transitions. [2023-12-03 00:48:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2023-12-03 00:48:10,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:48:10,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:10,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:48:10,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:48:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2023-12-03 00:48:10,928 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2023-12-03 00:48:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 00:48:10,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:10,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:10,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:48:10,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:48:11,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:11,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2023-12-03 00:48:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-12-03 00:48:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:48:11,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:11,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:11,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:48:11,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:48:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 112 transitions. [2023-12-03 00:48:11,708 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2023-12-03 00:48:11,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:48:11,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:11,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:11,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:48:11,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:48:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 69 states and 120 transitions. [2023-12-03 00:48:12,107 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 120 transitions. [2023-12-03 00:48:12,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:48:12,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:12,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:12,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:48:12,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:48:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:12,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 78 states and 144 transitions. [2023-12-03 00:48:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2023-12-03 00:48:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 00:48:12,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:12,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:12,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 00:48:12,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:48:13,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 75 states and 143 transitions. [2023-12-03 00:48:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 143 transitions. [2023-12-03 00:48:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:48:13,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:13,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:13,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:48:13,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:48:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 131 transitions. [2023-12-03 00:48:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 131 transitions. [2023-12-03 00:48:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 00:48:13,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:13,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:13,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:48:13,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-03 00:48:13,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:13,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 71 states and 127 transitions. [2023-12-03 00:48:13,890 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 127 transitions. [2023-12-03 00:48:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:48:13,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:13,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:13,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:48:13,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:48:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 74 states and 131 transitions. [2023-12-03 00:48:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 131 transitions. [2023-12-03 00:48:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:48:14,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:14,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:48:14,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 00:48:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 67 states and 119 transitions. [2023-12-03 00:48:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2023-12-03 00:48:14,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:48:14,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:48:14,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:48:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:48:14,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:48:14,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:48:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 00:48:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:48:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 51 states and 78 transitions. [2023-12-03 00:48:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-12-03 00:48:15,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:48:15,264 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-12-03 00:48:15,271 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 00:48:15,389 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:48:15,393 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:48:15,393 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:48:15,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:48:15 ImpRootNode [2023-12-03 00:48:15,393 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:48:15,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:48:15,394 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:48:15,394 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:48:15,395 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:48:09" (3/4) ... [2023-12-03 00:48:15,396 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:48:15,399 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 00:48:15,403 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-03 00:48:15,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 00:48:15,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:48:15,404 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:48:15,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:48:15,494 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:48:15,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:48:15,494 INFO L158 Benchmark]: Toolchain (without parser) took 6860.70ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 115.4MB in the beginning and 89.6MB in the end (delta: 25.8MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2023-12-03 00:48:15,495 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:48:15,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.05ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 104.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:48:15,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.60ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:48:15,496 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:48:15,496 INFO L158 Benchmark]: RCFGBuilder took 363.35ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 86.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 00:48:15,497 INFO L158 Benchmark]: CodeCheck took 6140.45ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 86.0MB in the beginning and 94.8MB in the end (delta: -8.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-12-03 00:48:15,497 INFO L158 Benchmark]: Witness Printer took 99.91ms. Allocated memory is still 186.6MB. Free memory was 94.8MB in the beginning and 89.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:48:15,499 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: 6.0s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1305 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 961 mSDsluCounter, 1602 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 858 mSDsCounter, 1372 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3579 IncrementalHoareTripleChecker+Invalid, 4951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1372 mSolverCounterUnsat, 744 mSDtfsCounter, 3579 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3402 GetRequests, 3048 SyntacticMatches, 224 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9814 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 1052 SizeOfPredicates, 49 NumberOfNonLiveVariables, 1247 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 297/377 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 0.20ms. Allocated memory is still 115.3MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.05ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 104.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.60ms. Allocated memory is still 155.2MB. Free memory was 104.2MB in the beginning and 102.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 155.2MB. Free memory was 102.8MB in the beginning and 101.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.35ms. Allocated memory is still 155.2MB. Free memory was 101.5MB in the beginning and 86.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6140.45ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 86.0MB in the beginning and 94.8MB in the end (delta: -8.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 99.91ms. Allocated memory is still 186.6MB. Free memory was 94.8MB in the beginning and 89.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:48:15,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f8f897b-0c9d-4c97-9650-0edadc7f8aaa/bin/ukojak-verify-Qdu7aM0XO9/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