./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/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_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/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_77a13e07-640b-44d2-ac99-b7ced3136c5c/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 ac3a81a6199f2fa90ddbd6627903586ea2f05ffc310aa884576aec45112f3234 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:28:47,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:28:47,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:28:47,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:28:47,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:28:47,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:28:47,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:28:47,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:28:47,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:28:47,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:28:47,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:28:47,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:28:47,318 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:28:47,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:28:47,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:28:47,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:28:47,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:28:47,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:28:47,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:28:47,321 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:28:47,322 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:28:47,323 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:28:47,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:28:47,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:28:47,324 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:28:47,325 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:28:47,325 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:28:47,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:28:47,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:28:47,326 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:28:47,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:28:47,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:28:47,327 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:28:47,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:28:47,328 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:28:47,328 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_77a13e07-640b-44d2-ac99-b7ced3136c5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac3a81a6199f2fa90ddbd6627903586ea2f05ffc310aa884576aec45112f3234 [2023-12-03 03:28:47,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:28:47,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:28:47,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:28:47,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:28:47,548 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:28:47,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c [2023-12-03 03:28:50,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:28:50,490 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:28:50,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c [2023-12-03 03:28:50,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/data/63f93ea7d/deb1431abd1d4e718a5cb08c2c078e8a/FLAGba5c1cbac [2023-12-03 03:28:50,509 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/data/63f93ea7d/deb1431abd1d4e718a5cb08c2c078e8a [2023-12-03 03:28:50,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:28:50,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:28:50,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:28:50,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:28:50,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:28:50,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8d3678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50, skipping insertion in model container [2023-12-03 03:28:50,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:28:50,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:28:50,703 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:28:50,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:28:50,734 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:28:50,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50 WrapperNode [2023-12-03 03:28:50,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:28:50,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:28:50,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:28:50,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:28:50,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,769 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-12-03 03:28:50,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:28:50,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:28:50,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:28:50,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:28:50,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:28:50,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:28:50,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:28:50,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:28:50,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:28:50" (1/1) ... [2023-12-03 03:28:50,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:28:50,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:28:50,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:28:50,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:28:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:28:50,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:28:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:28:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:28:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:28:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:28:50,921 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:28:50,923 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:28:51,052 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:28:51,082 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:28:51,083 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:28:51,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:28:51 BoogieIcfgContainer [2023-12-03 03:28:51,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:28:51,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:28:51,086 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:28:51,094 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:28:51,094 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:28:51" (1/1) ... [2023-12-03 03:28:51,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:28:51,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:51,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 03:28:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 03:28:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:28:51,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:51,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:51,342 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 03:28:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:51,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 03:28:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 03:28:51,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:28:51,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:51,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:51,447 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 03:28:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 03:28:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 03:28:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:28:51,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:51,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:28:51,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-12-03 03:28:51,760 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-03 03:28:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:28:51,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:51,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:28:51,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:52,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-12-03 03:28:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-12-03 03:28:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:28:52,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:52,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:52,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:28:52,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 36 transitions. [2023-12-03 03:28:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-12-03 03:28:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:28:52,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:52,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:52,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:28:52,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 48 transitions. [2023-12-03 03:28:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-12-03 03:28:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:28:52,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:52,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:52,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:28:52,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 60 transitions. [2023-12-03 03:28:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-12-03 03:28:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:28:53,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:53,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:53,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:28:53,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 73 transitions. [2023-12-03 03:28:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2023-12-03 03:28:54,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 03:28:54,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:54,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:28:54,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 15 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 85 transitions. [2023-12-03 03:28:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-12-03 03:28:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:28:54,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:54,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:54,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:28:54,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 97 transitions. [2023-12-03 03:28:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2023-12-03 03:28:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:28:55,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:55,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 03:28:55,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 110 transitions. [2023-12-03 03:28:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-12-03 03:28:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:28:56,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:56,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:56,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:28:56,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 122 transitions. [2023-12-03 03:28:57,154 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2023-12-03 03:28:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 03:28:57,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:57,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:57,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 03:28:57,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:57,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 135 transitions. [2023-12-03 03:28:57,955 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2023-12-03 03:28:57,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:28:57,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:57,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:58,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:28:58,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:28:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 147 transitions. [2023-12-03 03:28:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2023-12-03 03:28:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 03:28:58,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:58,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:28:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:58,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 03:28:58,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:59,505 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 463 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:29:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 95 states and 139 transitions. [2023-12-03 03:29:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 139 transitions. [2023-12-03 03:29:00,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:29:00,443 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2023-12-03 03:29:00,452 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-03 03:29:00,555 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:29:00,558 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:29:00,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:29:00 ImpRootNode [2023-12-03 03:29:00,559 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:29:00,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:29:00,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:29:00,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:29:00,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:28:51" (3/4) ... [2023-12-03 03:29:00,562 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:29:00,564 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 03:29:00,567 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 03:29:00,567 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 03:29:00,568 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:29:00,568 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:29:00,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:29:00,643 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:29:00,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:29:00,644 INFO L158 Benchmark]: Toolchain (without parser) took 10131.94ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 117.3MB in the beginning and 73.0MB in the end (delta: 44.3MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-12-03 03:29:00,645 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:29:00,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.59ms. Allocated memory is still 153.1MB. Free memory was 116.9MB in the beginning and 106.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:29:00,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.54ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 104.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:29:00,646 INFO L158 Benchmark]: Boogie Preprocessor took 19.94ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 103.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:29:00,647 INFO L158 Benchmark]: RCFGBuilder took 293.90ms. Allocated memory is still 153.1MB. Free memory was 103.8MB in the beginning and 91.7MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:29:00,647 INFO L158 Benchmark]: CodeCheck took 9473.60ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 91.7MB in the beginning and 77.1MB in the end (delta: 14.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-12-03 03:29:00,648 INFO L158 Benchmark]: Witness Printer took 84.12ms. Allocated memory is still 184.5MB. Free memory was 77.1MB in the beginning and 73.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:29:00,650 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 891 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 765 mSDsluCounter, 1408 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 826 mSDsCounter, 950 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2439 IncrementalHoareTripleChecker+Invalid, 3389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 950 mSolverCounterUnsat, 582 mSDtfsCounter, 2439 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5304 GetRequests, 4637 SyntacticMatches, 489 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18632 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 594 ConstructedInterpolants, 0 QuantifiedInterpolants, 1792 SizeOfPredicates, 139 NumberOfNonLiveVariables, 1945 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 552/1972 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: 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: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.59ms. Allocated memory is still 153.1MB. Free memory was 116.9MB in the beginning and 106.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.54ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 104.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.94ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 103.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.90ms. Allocated memory is still 153.1MB. Free memory was 103.8MB in the beginning and 91.7MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 9473.60ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 91.7MB in the beginning and 77.1MB in the end (delta: 14.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 84.12ms. Allocated memory is still 184.5MB. Free memory was 77.1MB in the beginning and 73.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:29:00,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77a13e07-640b-44d2-ac99-b7ced3136c5c/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