./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4dc91bf2fc8981aab63c1ee768384f1c8f580edfe4618d65089a78f799b6ddb8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:34:30,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:34:30,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:34:30,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:34:30,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:34:30,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:34:30,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:34:30,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:34:30,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:34:30,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:34:30,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:34:30,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:34:30,340 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:34:30,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:34:30,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:34:30,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:34:30,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:34:30,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:34:30,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:34:30,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:34:30,346 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:34:30,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:34:30,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:34:30,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:34:30,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:34:30,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:34:30,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:34:30,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:30,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:34:30,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:34:30,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:34:30,355 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:34:30,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:34:30,355 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_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dc91bf2fc8981aab63c1ee768384f1c8f580edfe4618d65089a78f799b6ddb8 [2024-11-08 23:34:30,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:34:30,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:34:30,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:34:30,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:34:30,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:34:30,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/reducercommutativity/rangesum.i Unable to find full path for "g++" [2024-11-08 23:34:33,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:34:33,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:34:33,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/sv-benchmarks/c/reducercommutativity/rangesum.i [2024-11-08 23:34:33,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/data/c58f1d300/79ad5af82ffa4160ad4935fcc2e36ccc/FLAG1bc1b8231 [2024-11-08 23:34:33,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/data/c58f1d300/79ad5af82ffa4160ad4935fcc2e36ccc [2024-11-08 23:34:33,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:34:33,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:34:33,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:33,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:34:33,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:34:33,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:33" (1/1) ... [2024-11-08 23:34:33,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462b66cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:33, skipping insertion in model container [2024-11-08 23:34:33,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:34:33" (1/1) ... [2024-11-08 23:34:33,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:34:34,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/sv-benchmarks/c/reducercommutativity/rangesum.i[1544,1557] [2024-11-08 23:34:34,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:34,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:34:34,100 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/sv-benchmarks/c/reducercommutativity/rangesum.i[1544,1557] [2024-11-08 23:34:34,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:34:34,124 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:34:34,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34 WrapperNode [2024-11-08 23:34:34,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:34:34,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:34,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:34:34,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:34:34,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,190 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-11-08 23:34:34,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:34:34,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:34:34,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:34:34,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:34:34,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:34:34,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:34:34,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:34:34,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:34:34,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:34:34,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:34:34,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:34:34,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:34:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:34:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:34:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:34:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:34:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:34:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:34:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:34:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2024-11-08 23:34:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2024-11-08 23:34:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:34:34,458 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:34:34,460 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:34:34,727 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:34:34,728 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:34:34,828 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:34:34,829 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:34:34,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:34 BoogieIcfgContainer [2024-11-08 23:34:34,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:34:34,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:34:34,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:34:34,845 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:34:34,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:34" (1/1) ... [2024-11-08 23:34:34,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:34:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:34:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:34:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:34:34,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:34,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:34:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-08 23:34:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-08 23:34:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:34:35,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:35,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:34:36,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:36,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-08 23:34:36,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 23:34:36,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:34:36,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:36,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:34:36,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-08 23:34:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-08 23:34:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:34:36,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:36,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:34:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-08 23:34:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-08 23:34:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:34:36,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:36,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:36,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 23:34:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2024-11-08 23:34:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2024-11-08 23:34:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:34:37,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:37,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:34:37,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2024-11-08 23:34:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2024-11-08 23:34:37,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:34:37,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:34:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 44 transitions. [2024-11-08 23:34:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-08 23:34:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:34:37,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:37,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 23:34:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 46 transitions. [2024-11-08 23:34:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2024-11-08 23:34:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:34:37,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:37,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 23:34:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 47 transitions. [2024-11-08 23:34:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2024-11-08 23:34:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:34:37,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:37,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:34:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 54 transitions. [2024-11-08 23:34:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:34:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 23:34:38,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:38,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:34:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 52 transitions. [2024-11-08 23:34:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2024-11-08 23:34:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 23:34:38,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:34:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 53 transitions. [2024-11-08 23:34:38,703 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-08 23:34:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:34:38,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 23:34:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 60 transitions. [2024-11-08 23:34:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2024-11-08 23:34:39,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:34:39,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:39,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:39,251 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 23:34:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 57 transitions. [2024-11-08 23:34:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-08 23:34:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:34:39,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:39,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 23:34:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 50 transitions. [2024-11-08 23:34:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-08 23:34:39,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 23:34:39,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:39,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 23:34:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 85 transitions. [2024-11-08 23:34:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2024-11-08 23:34:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 23:34:45,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:45,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 23:34:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 71 states and 120 transitions. [2024-11-08 23:34:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2024-11-08 23:34:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 23:34:51,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:51,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:34:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:52,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 72 states and 120 transitions. [2024-11-08 23:34:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2024-11-08 23:34:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:34:52,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:52,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 1 proven. 47 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 23:34:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 125 transitions. [2024-11-08 23:34:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2024-11-08 23:34:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:34:55,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:55,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 54 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 23:34:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:57,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 103 transitions. [2024-11-08 23:34:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-11-08 23:34:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:34:57,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:57,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 27 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-08 23:34:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:58,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 102 transitions. [2024-11-08 23:34:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2024-11-08 23:34:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 23:34:58,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-08 23:35:01,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 71 states and 106 transitions. [2024-11-08 23:35:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2024-11-08 23:35:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 23:35:01,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:01,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-08 23:35:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 72 states and 107 transitions. [2024-11-08 23:35:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2024-11-08 23:35:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 23:35:03,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:03,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 23:35:06,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 76 states and 112 transitions. [2024-11-08 23:35:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2024-11-08 23:35:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:35:06,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:06,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:07,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:07,509 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-08 23:35:07,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:35:07 ImpRootNode [2024-11-08 23:35:07,592 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:35:07,593 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:35:07,593 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:35:07,594 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:35:07,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:34:34" (3/4) ... [2024-11-08 23:35:07,595 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:35:07,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:35:07,706 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:35:07,707 INFO L158 Benchmark]: Toolchain (without parser) took 34017.14ms. Allocated memory was 157.3MB in the beginning and 293.6MB in the end (delta: 136.3MB). Free memory was 127.3MB in the beginning and 107.3MB in the end (delta: 20.0MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,707 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:07,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.99ms. Allocated memory is still 157.3MB. Free memory was 127.3MB in the beginning and 114.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.68ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 129.2MB in the end (delta: -15.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,708 INFO L158 Benchmark]: Boogie Preprocessor took 71.29ms. Allocated memory is still 157.3MB. Free memory was 129.2MB in the beginning and 126.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,709 INFO L158 Benchmark]: RCFGBuilder took 564.78ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 110.3MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,709 INFO L158 Benchmark]: CodeCheck took 32761.46ms. Allocated memory was 157.3MB in the beginning and 293.6MB in the end (delta: 136.3MB). Free memory was 110.3MB in the beginning and 111.5MB in the end (delta: -1.2MB). Peak memory consumption was 136.2MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,710 INFO L158 Benchmark]: Witness Printer took 113.03ms. Allocated memory is still 293.6MB. Free memory was 111.5MB in the beginning and 107.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:07,712 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.6s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2324 SdHoareTripleChecker+Valid, 12.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 895 mSDsluCounter, 1317 SdHoareTripleChecker+Invalid, 10.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 165 mSDsCounter, 1483 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4925 IncrementalHoareTripleChecker+Invalid, 6408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1483 mSolverCounterUnsat, 1152 mSDtfsCounter, 4925 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6337 GetRequests, 5792 SyntacticMatches, 303 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52686 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 977 NumberOfCodeBlocks, 977 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 899 ConstructedInterpolants, 0 QuantifiedInterpolants, 1833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 8 PerfectInterpolantSequences, 925/1129 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 - CounterExampleResult [Line: 64]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L15] int N; [L43] N = __VERIFIER_nondet_int() [L44] COND TRUE N > 1 [L45] int x[N]; [L46] CALL init_nondet(x) [L17] int i; [L18] i = 0 VAL [N=3, i=0, x={3:0}] [L18] COND FALSE !(i < N) VAL [N=3, i=0, x={3:0}] [L18] COND TRUE i < N [L19] x[i] = __VERIFIER_nondet_int() [L18] i++ VAL [N=3, i=1, x={3:0}] [L18] COND FALSE !(i < N) VAL [N=3, i=1, x={3:0}] [L18] COND TRUE i < N [L19] x[i] = __VERIFIER_nondet_int() [L18] i++ VAL [N=3, i=2, x={3:0}] [L18] COND FALSE !(i < N) VAL [N=3, i=2, x={3:0}] [L18] COND TRUE i < N [L19] x[i] = __VERIFIER_nondet_int() [L18] i++ VAL [N=3, i=3, x={3:0}] [L18] COND TRUE i < N VAL [N=3, x={3:0}] [L46] RET init_nondet(x) [L47] int temp; [L48] int ret; [L49] int ret2; [L50] int ret5; VAL [N=3, x={3:0}] [L52] CALL, EXPR rangesum(x) VAL [N=3, \old(x)={3:0}] [L25] int i; [L26] long long ret; [L27] ret = 0 [L28] int cnt = 0; [L29] i = 0 VAL [N=3, \old(x)={3:0}, cnt=0, i=0, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=0, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND FALSE !(i > N/2) [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=0, i=1, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=1, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND FALSE !(i > N/2) [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=0, i=2, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=2, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND TRUE i > N/2 [L31] EXPR x[i] [L31] ret = ret + x[i] [L32] cnt = cnt + 1 [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=1, i=3, ret=1, x={3:0}] [L29] COND TRUE i < N VAL [N=3, \old(x)={3:0}, cnt=1, ret=1, x={3:0}] [L35] COND TRUE cnt !=0 [L36] return ret / cnt; [L52] RET, EXPR rangesum(x) VAL [N=3, x={3:0}] [L52] ret = rangesum(x) [L54] EXPR x[0] [L54] temp=x[0] [L54] EXPR x[1] [L54] x[0] = x[1] [L54] x[1] = temp VAL [N=3, ret=1, x={3:0}] [L55] CALL, EXPR rangesum(x) VAL [N=3, \old(x)={3:0}] [L25] int i; [L26] long long ret; [L27] ret = 0 [L28] int cnt = 0; [L29] i = 0 VAL [N=3, \old(x)={3:0}, cnt=0, i=0, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=0, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND FALSE !(i > N/2) [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=0, i=1, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=1, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND FALSE !(i > N/2) [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=0, i=2, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=2, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND TRUE i > N/2 [L31] EXPR x[i] [L31] ret = ret + x[i] [L32] cnt = cnt + 1 [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=1, i=3, ret=1, x={3:0}] [L29] COND TRUE i < N VAL [N=3, \old(x)={3:0}, cnt=1, ret=1, x={3:0}] [L35] COND TRUE cnt !=0 [L36] return ret / cnt; [L55] RET, EXPR rangesum(x) VAL [N=3, ret=1, x={3:0}] [L55] ret2 = rangesum(x) [L56] EXPR x[0] [L56] temp=x[0] [L57] int i =0 ; VAL [N=3, i=0, ret2=1, ret=1, temp=-1, x={3:0}] [L57] COND FALSE !(i N/2) [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=0, i=1, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=1, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND FALSE !(i > N/2) [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=0, i=2, ret=0, x={3:0}] [L29] COND FALSE !(i < N) VAL [N=3, \old(x)={3:0}, cnt=0, i=2, ret=0, x={3:0}] [L29] COND TRUE i < N [L30] COND TRUE i > N/2 [L31] EXPR x[i] [L31] ret = ret + x[i] [L32] cnt = cnt + 1 [L29] i++ VAL [N=3, \old(x)={3:0}, cnt=1, i=3, ret=-1, x={3:0}] [L29] COND TRUE i < N VAL [N=3, \old(x)={3:0}, cnt=1, ret=-1, x={3:0}] [L35] COND TRUE cnt !=0 [L36] return ret / cnt; [L61] RET, EXPR rangesum(x) VAL [N=3, ret2=1, ret=1, x={3:0}] [L61] ret5 = rangesum(x) [L63] COND TRUE ret != ret2 || ret !=ret5 VAL [N=3, x={3:0}] [L64] reach_error() VAL [N=3, x={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.99ms. Allocated memory is still 157.3MB. Free memory was 127.3MB in the beginning and 114.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.68ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 129.2MB in the end (delta: -15.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.29ms. Allocated memory is still 157.3MB. Free memory was 129.2MB in the beginning and 126.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 564.78ms. Allocated memory is still 157.3MB. Free memory was 126.4MB in the beginning and 110.3MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 32761.46ms. Allocated memory was 157.3MB in the beginning and 293.6MB in the end (delta: 136.3MB). Free memory was 110.3MB in the beginning and 111.5MB in the end (delta: -1.2MB). Peak memory consumption was 136.2MB. Max. memory is 16.1GB. * Witness Printer took 113.03ms. Allocated memory is still 293.6MB. Free memory was 111.5MB in the beginning and 107.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:35:07,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1efabe9-f908-46e5-b18a-d81c4b98535c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE