./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c --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_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/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_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/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_7af7918e-5a65-416e-bee6-205841bdfc21/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 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:26:12,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:26:12,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:26:12,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:26:12,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:26:12,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:26:12,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:26:12,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:26:12,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:26:12,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:26:12,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:26:12,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:26:12,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:26:12,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:26:12,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:26:12,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:26:12,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:26:12,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:26:12,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:26:12,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:26:12,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:26:12,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:26:12,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:26:12,974 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:26:12,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:26:12,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:26:12,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:26:12,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:26:12,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:26:12,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:26:12,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:26:12,977 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:26:12,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:26:12,978 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_7af7918e-5a65-416e-bee6-205841bdfc21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 [2024-11-09 00:26:13,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:26:13,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:26:13,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:26:13,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:26:13,303 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:26:13,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c Unable to find full path for "g++" [2024-11-09 00:26:15,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:26:15,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:26:15,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2024-11-09 00:26:15,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/data/6302c7ac9/dad67d3e70fd41ba8c4a192147ff9412/FLAGcd6d1d0d3 [2024-11-09 00:26:15,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/data/6302c7ac9/dad67d3e70fd41ba8c4a192147ff9412 [2024-11-09 00:26:15,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:26:15,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:26:15,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:26:15,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:26:15,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:26:15,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:15,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea20f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15, skipping insertion in model container [2024-11-09 00:26:15,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:15,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:26:15,886 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_7af7918e-5a65-416e-bee6-205841bdfc21/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2024-11-09 00:26:15,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:26:15,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:26:15,939 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_7af7918e-5a65-416e-bee6-205841bdfc21/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2024-11-09 00:26:15,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:26:15,972 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:26:15,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15 WrapperNode [2024-11-09 00:26:15,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:26:15,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:26:15,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:26:15,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:26:15,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:15,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,010 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2024-11-09 00:26:16,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:26:16,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:26:16,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:26:16,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:26:16,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:26:16,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:26:16,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:26:16,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:26:16,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:15" (1/1) ... [2024-11-09 00:26:16,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:26:16,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:26:16,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:26:16,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:26:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:26:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:26:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:26:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:26:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:26:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:26:16,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:26:16,202 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:26:16,407 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:26:16,407 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:26:16,491 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:26:16,491 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:26:16,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:16 BoogieIcfgContainer [2024-11-09 00:26:16,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:26:16,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:26:16,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:26:16,507 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:26:16,507 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:16" (1/1) ... [2024-11-09 00:26:16,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:26:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-09 00:26:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-09 00:26:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:26:16,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:17,064 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 00:26:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2024-11-09 00:26:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2024-11-09 00:26:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:26:17,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:17,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:17,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:26:17,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:17,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-09 00:26:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-09 00:26:17,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:26:17,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:17,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:17,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:26:17,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:17,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:26:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-09 00:26:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-09 00:26:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:26:17,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:17,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:26:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2024-11-09 00:26:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-11-09 00:26:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:26:18,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:18,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,727 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:26:18,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:18,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 50 transitions. [2024-11-09 00:26:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-11-09 00:26:18,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:26:18,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:18,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:26:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 53 transitions. [2024-11-09 00:26:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-09 00:26:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:26:19,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:19,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:19,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:26:19,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:26:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 58 transitions. [2024-11-09 00:26:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2024-11-09 00:26:20,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:26:20,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:20,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:26:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 57 transitions. [2024-11-09 00:26:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2024-11-09 00:26:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:26:20,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:20,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:20,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:26:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 61 transitions. [2024-11-09 00:26:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-09 00:26:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:26:21,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:21,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 00:26:21,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 62 transitions. [2024-11-09 00:26:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-09 00:26:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:26:21,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:21,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-09 00:26:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 54 transitions. [2024-11-09 00:26:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-09 00:26:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:26:21,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:21,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 00:26:21,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:26:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 61 transitions. [2024-11-09 00:26:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-09 00:26:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:26:22,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:22,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:26:22,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:26:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 65 transitions. [2024-11-09 00:26:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2024-11-09 00:26:23,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:26:23,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:23,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:23,308 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-11-09 00:26:23,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:23,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 66 transitions. [2024-11-09 00:26:23,463 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-11-09 00:26:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 00:26:23,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:23,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:23,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:26:23,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 20 proven. 24 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 00:26:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 73 transitions. [2024-11-09 00:26:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2024-11-09 00:26:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 00:26:24,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:24,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 00:26:24,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-09 00:26:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:25,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 77 transitions. [2024-11-09 00:26:25,529 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2024-11-09 00:26:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 00:26:25,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:25,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-09 00:26:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 78 transitions. [2024-11-09 00:26:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2024-11-09 00:26:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:26:25,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:25,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:25,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:26:25,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-09 00:26:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 85 transitions. [2024-11-09 00:26:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2024-11-09 00:26:27,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 00:26:27,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:26:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:27,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 00:26:27,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 00:26:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 89 transitions. [2024-11-09 00:26:28,542 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2024-11-09 00:26:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 00:26:28,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:28,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2024-11-09 00:26:28,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 90 transitions. [2024-11-09 00:26:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-09 00:26:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 00:26:28,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 47 proven. 50 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 00:26:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 35 states and 55 transitions. [2024-11-09 00:26:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-09 00:26:31,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:26:31,251 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2024-11-09 00:26:31,260 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:26:31,867 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-09 00:26:31,867 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:26:31,867 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-11-09 00:26:31,868 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: (or (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (and (= 9 |ULTIMATE.start_main_~s~0#1|) (= 2 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~s~0#1| 25) (= |ULTIMATE.start_main_~a~0#1| 4))) (not (and (= 16 |ULTIMATE.start_main_~s~0#1|) (= 3 |ULTIMATE.start_main_~a~0#1|))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))))) [2024-11-09 00:26:31,868 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-09 00:26:31,868 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-11-09 00:26:31,868 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:26:31,868 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-09 00:26:31,869 INFO L77 FloydHoareUtils]: At program point L30-2(lines 30 42) the Hoare annotation is: (not (and (not (= |ULTIMATE.start_main_~s~0#1| 1)) (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0))) [2024-11-09 00:26:31,869 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-09 00:26:31,869 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-09 00:26:31,869 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-09 00:26:31,869 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-11-09 00:26:31,869 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:26:31,870 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:26:31,870 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-09 00:26:31,870 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-09 00:26:31,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:26:31 ImpRootNode [2024-11-09 00:26:31,888 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:26:31,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:26:31,889 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:26:31,889 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:26:31,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:16" (3/4) ... [2024-11-09 00:26:31,892 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:26:31,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:26:31,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:26:31,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 00:26:31,903 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:26:31,903 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:26:31,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:26:31,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:26:31,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:26:31,985 INFO L158 Benchmark]: Toolchain (without parser) took 16370.18ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 90.0MB in the beginning and 97.0MB in the end (delta: -7.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-09 00:26:31,985 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:26:31,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.43ms. Allocated memory is still 138.4MB. Free memory was 89.6MB in the beginning and 77.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:26:31,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.83ms. Allocated memory is still 138.4MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:26:31,987 INFO L158 Benchmark]: Boogie Preprocessor took 33.13ms. Allocated memory is still 138.4MB. Free memory was 75.5MB in the beginning and 74.6MB in the end (delta: 910.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:26:31,987 INFO L158 Benchmark]: RCFGBuilder took 446.48ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.6MB in the beginning and 132.5MB in the end (delta: -57.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-09 00:26:31,988 INFO L158 Benchmark]: CodeCheck took 15393.21ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 132.5MB in the beginning and 101.2MB in the end (delta: 31.3MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-11-09 00:26:31,988 INFO L158 Benchmark]: Witness Printer took 95.87ms. Allocated memory is still 201.3MB. Free memory was 101.2MB in the beginning and 97.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:26:31,990 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 850 SdHoareTripleChecker+Valid, 13.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 955 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 2158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4702 IncrementalHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2158 mSolverCounterUnsat, 495 mSDtfsCounter, 4702 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6382 GetRequests, 6039 SyntacticMatches, 187 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15380 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 983 NumberOfCodeBlocks, 983 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 962 ConstructedInterpolants, 0 QuantifiedInterpolants, 2785 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1235 ConjunctsInSsa, 214 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 3194/3532 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: 14]: 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 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: !(((s != 1) && (t == 1)) && (a == 0)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 138.4MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.43ms. Allocated memory is still 138.4MB. Free memory was 89.6MB in the beginning and 77.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.83ms. Allocated memory is still 138.4MB. Free memory was 77.0MB in the beginning and 75.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.13ms. Allocated memory is still 138.4MB. Free memory was 75.5MB in the beginning and 74.6MB in the end (delta: 910.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.48ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 74.6MB in the beginning and 132.5MB in the end (delta: -57.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 15393.21ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 132.5MB in the beginning and 101.2MB in the end (delta: 31.3MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Witness Printer took 95.87ms. Allocated memory is still 201.3MB. Free memory was 101.2MB in the beginning and 97.0MB 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 00:26:32,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af7918e-5a65-416e-bee6-205841bdfc21/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