./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/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_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/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_2a202378-22e0-4202-9118-02546dd92f04/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 ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:04:13,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:04:13,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:04:13,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:04:13,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:04:13,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:04:13,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:04:13,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:04:13,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:04:13,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:04:13,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:04:13,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:04:13,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:04:13,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:04:13,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:04:13,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:04:13,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:04:13,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:04:13,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:04:13,325 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:04:13,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:04:13,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:04:13,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:04:13,327 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:04:13,327 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:04:13,327 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:04:13,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:04:13,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:13,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:04:13,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:04:13,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:04:13,329 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:04:13,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:04:13,329 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_2a202378-22e0-4202-9118-02546dd92f04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2024-11-09 00:04:13,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:04:13,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:04:13,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:04:13,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:04:13,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:04:13,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c Unable to find full path for "g++" [2024-11-09 00:04:15,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:04:16,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:04:16,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-11-09 00:04:16,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/data/7a420737e/bdb268c0aafd4ed897086fe3af4dad05/FLAG5bd49f663 [2024-11-09 00:04:16,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/data/7a420737e/bdb268c0aafd4ed897086fe3af4dad05 [2024-11-09 00:04:16,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:04:16,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:04:16,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:16,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:04:16,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:04:16,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,482 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b84861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16, skipping insertion in model container [2024-11-09 00:04:16,482 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:04:16,760 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_2a202378-22e0-4202-9118-02546dd92f04/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2024-11-09 00:04:16,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:16,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:04:16,808 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_2a202378-22e0-4202-9118-02546dd92f04/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2024-11-09 00:04:16,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:16,835 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:04:16,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16 WrapperNode [2024-11-09 00:04:16,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:16,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:16,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:04:16,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:04:16,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,876 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-09 00:04:16,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:16,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:04:16,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:04:16,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:04:16,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:04:16,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:04:16,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:04:16,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:04:16,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:16" (1/1) ... [2024-11-09 00:04:16,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:16,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:04:16,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:04:16,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:04:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:04:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:04:17,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:04:17,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:04:17,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:04:17,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:04:17,081 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:04:17,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:04:17,249 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:04:17,249 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:04:17,315 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:04:17,315 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:04:17,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:17 BoogieIcfgContainer [2024-11-09 00:04:17,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:04:17,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:04:17,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:04:17,333 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:04:17,334 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:17" (1/1) ... [2024-11-09 00:04:17,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:04:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-09 00:04:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-09 00:04:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:04:17,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:17,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:04:17,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-09 00:04:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-09 00:04:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:04:17,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:17,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-09 00:04:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-09 00:04:18,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:04:18,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:18,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:04:18,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-09 00:04:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-09 00:04:19,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:04:19,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:19,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:19,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:04:19,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:04:19,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:19,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-09 00:04:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-09 00:04:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:04:19,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:19,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:04:19,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:04:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-09 00:04:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-09 00:04:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:04:20,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:20,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:04:20,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:04:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-09 00:04:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-09 00:04:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:04:21,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:21,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:21,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:04:21,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:04:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:21,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-09 00:04:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-09 00:04:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:04:21,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:21,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:21,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 00:04:21,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:04:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2024-11-09 00:04:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-11-09 00:04:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:04:22,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:22,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:04:22,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 00:04:23,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:23,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-09 00:04:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-09 00:04:23,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 00:04:23,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:23,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:23,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:04:23,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:04:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-09 00:04:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-09 00:04:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:04:24,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:24,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:04:24,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-09 00:04:25,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-11-09 00:04:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-11-09 00:04:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 00:04:25,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:25,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:25,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 00:04:25,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 00:04:26,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2024-11-09 00:04:26,344 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-11-09 00:04:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 00:04:26,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:26,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-09 00:04:26,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 22 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 00:04:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2024-11-09 00:04:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-11-09 00:04:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 00:04:27,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:27,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-09 00:04:27,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-09 00:04:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2024-11-09 00:04:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2024-11-09 00:04:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 00:04:28,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:28,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:28,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-09 00:04:28,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 26 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 00:04:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2024-11-09 00:04:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2024-11-09 00:04:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:04:29,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:29,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 00:04:29,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 28 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 00:04:31,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2024-11-09 00:04:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-09 00:04:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:04:31,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:31,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:31,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 00:04:31,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 30 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-09 00:04:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-09 00:04:32,517 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-09 00:04:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-09 00:04:32,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:32,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:32,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-09 00:04:32,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 32 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 00:04:34,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2024-11-09 00:04:34,087 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2024-11-09 00:04:34,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 00:04:34,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:34,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:34,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-09 00:04:34,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 34 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-09 00:04:35,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2024-11-09 00:04:35,669 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2024-11-09 00:04:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-09 00:04:35,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:35,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:35,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 00:04:35,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 35 proven. 547 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-09 00:04:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 110 transitions. [2024-11-09 00:04:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-11-09 00:04:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-09 00:04:37,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:37,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:37,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-09 00:04:37,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 38 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-09 00:04:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:39,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 115 transitions. [2024-11-09 00:04:39,069 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2024-11-09 00:04:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-09 00:04:39,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:04:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:39,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 00:04:39,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 40 proven. 610 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-09 00:04:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:40,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 77 states and 120 transitions. [2024-11-09 00:04:40,966 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-09 00:04:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-09 00:04:40,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:40,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:04:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 654 proven. 60 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-09 00:04:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 71 states and 111 transitions. [2024-11-09 00:04:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2024-11-09 00:04:54,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:04:54,609 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2024-11-09 00:04:54,619 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:04:55,630 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:04:55,630 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-09 00:04:55,630 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-09 00:04:55,630 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:04:55,631 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-09 00:04:55,631 INFO L77 FloydHoareUtils]: At program point L28-1(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-09 00:04:55,631 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-09 00:04:55,631 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-09 00:04:55,631 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-09 00:04:55,632 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:04:55,632 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-11-09 00:04:55,634 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:04:55,635 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-09 00:04:55,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:04:55 ImpRootNode [2024-11-09 00:04:55,652 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:04:55,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:04:55,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:04:55,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:04:55,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:17" (3/4) ... [2024-11-09 00:04:55,656 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:04:55,660 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:04:55,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:04:55,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:04:55,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:04:55,664 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:04:55,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:04:55,755 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:04:55,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:04:55,756 INFO L158 Benchmark]: Toolchain (without parser) took 39290.21ms. Allocated memory was 140.5MB in the beginning and 276.8MB in the end (delta: 136.3MB). Free memory was 102.6MB in the beginning and 95.4MB in the end (delta: 7.2MB). Peak memory consumption was 145.0MB. Max. memory is 16.1GB. [2024-11-09 00:04:55,757 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory was 111.7MB in the beginning and 111.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:55,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.11ms. Allocated memory is still 140.5MB. Free memory was 102.1MB in the beginning and 89.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:04:55,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.76ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:55,758 INFO L158 Benchmark]: Boogie Preprocessor took 33.37ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 87.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:04:55,759 INFO L158 Benchmark]: RCFGBuilder took 403.88ms. Allocated memory is still 140.5MB. Free memory was 87.5MB in the beginning and 75.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:04:55,759 INFO L158 Benchmark]: CodeCheck took 38335.34ms. Allocated memory was 140.5MB in the beginning and 276.8MB in the end (delta: 136.3MB). Free memory was 75.3MB in the beginning and 99.6MB in the end (delta: -24.2MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2024-11-09 00:04:55,760 INFO L158 Benchmark]: Witness Printer took 101.97ms. Allocated memory is still 276.8MB. Free memory was 99.6MB in the beginning and 95.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:04:55,763 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.2s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 945 SdHoareTripleChecker+Valid, 15.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 680 mSDsluCounter, 1847 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1598 mSDsCounter, 2437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4506 IncrementalHoareTripleChecker+Invalid, 6943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2437 mSolverCounterUnsat, 249 mSDtfsCounter, 4506 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10406 GetRequests, 9480 SyntacticMatches, 650 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31175 ImplicationChecksByTransitivity, 27.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1761 NumberOfCodeBlocks, 1761 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1738 ConstructedInterpolants, 0 QuantifiedInterpolants, 6152 SizeOfPredicates, 21 NumberOfNonLiveVariables, 4410 ConjunctsInSsa, 1006 ConjunctsInUnsatCore, 23 InterpolantComputations, 1 PerfectInterpolantSequences, 7170/11706 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: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory was 111.7MB in the beginning and 111.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.11ms. Allocated memory is still 140.5MB. Free memory was 102.1MB in the beginning and 89.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.76ms. Allocated memory is still 140.5MB. Free memory was 89.9MB in the beginning and 88.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.37ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 87.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.88ms. Allocated memory is still 140.5MB. Free memory was 87.5MB in the beginning and 75.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 38335.34ms. Allocated memory was 140.5MB in the beginning and 276.8MB in the end (delta: 136.3MB). Free memory was 75.3MB in the beginning and 99.6MB in the end (delta: -24.2MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. * Witness Printer took 101.97ms. Allocated memory is still 276.8MB. Free memory was 99.6MB in the beginning and 95.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:04:55,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a202378-22e0-4202-9118-02546dd92f04/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 Result: TRUE