./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.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_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/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_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/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_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/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 0d13c89c888981c127c6dd7ab72dd0bf047efc83f9fb8148df4ba0b97f759b2c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:42:39,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:42:39,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:42:39,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:42:39,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:42:39,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:42:39,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:42:39,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:42:39,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:42:39,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:42:39,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:42:39,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:42:39,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:42:39,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:42:39,319 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:42:39,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:42:39,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:42:39,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:42:39,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:42:39,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:42:39,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:42:39,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:42:39,326 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:42:39,326 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:42:39,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:42:39,326 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:42:39,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:42:39,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:42:39,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:42:39,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:42:39,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:42:39,328 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:42:39,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:42:39,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d13c89c888981c127c6dd7ab72dd0bf047efc83f9fb8148df4ba0b97f759b2c [2024-11-08 19:42:39,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:42:39,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:42:39,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:42:39,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:42:39,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:42:39,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c Unable to find full path for "g++" [2024-11-08 19:42:41,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:42:41,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:42:41,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c [2024-11-08 19:42:41,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/data/9be766774/c54a80767ae94b84b2a512740410da75/FLAG13200784d [2024-11-08 19:42:41,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/data/9be766774/c54a80767ae94b84b2a512740410da75 [2024-11-08 19:42:41,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:42:41,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:42:41,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:42:41,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:42:41,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:42:41,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:42:41" (1/1) ... [2024-11-08 19:42:41,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36af1213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:41, skipping insertion in model container [2024-11-08 19:42:41,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:42:41" (1/1) ... [2024-11-08 19:42:41,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:42:42,155 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_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c[524,537] [2024-11-08 19:42:42,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:42:42,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:42:42,192 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_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound50.c[524,537] [2024-11-08 19:42:42,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:42:42,212 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:42:42,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42 WrapperNode [2024-11-08 19:42:42,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:42:42,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:42:42,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:42:42,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:42:42,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,241 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-08 19:42:42,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:42:42,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:42:42,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:42:42,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:42:42,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:42:42,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:42:42,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:42:42,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:42:42,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:42:42,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:42:42,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:42:42,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef81dfef-5b80-4da9-9c22-1e703b1f8aa4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:42:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:42:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:42:42,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:42:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:42:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:42:42,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:42:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:42:42,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:42:42,412 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:42:42,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:42:42,592 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 19:42:42,593 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:42:42,669 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:42:42,673 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:42:42,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:42 BoogieIcfgContainer [2024-11-08 19:42:42,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:42:42,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:42:42,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:42:42,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:42:42,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:42:42" (1/1) ... [2024-11-08 19:42:42,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:42:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 19:42:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 19:42:42,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:42:42,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:42,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:42:42,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:42,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:42:42,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:42:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:42:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-08 19:42:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-08 19:42:43,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:42:43,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:43,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:42:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-08 19:42:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-08 19:42:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:42:43,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:42:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:44,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:42:44,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:42:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:42:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2024-11-08 19:42:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-08 19:42:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 19:42:47,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:42:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:42:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:47,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:42:47,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:42:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 19:43:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 43 transitions. [2024-11-08 19:43:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-08 19:43:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 19:43:19,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:19,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:20,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 19:43:20,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 19:43:38,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 48 transitions. [2024-11-08 19:43:38,764 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2024-11-08 19:43:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 19:43:38,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:38,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:43:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:43:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:38,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:43:38,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:39,238 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 19:44:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 53 transitions. [2024-11-08 19:44:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-08 19:44:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 19:44:01,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:44:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:02,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 19:44:02,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 19:44:32,109 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:44:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 58 transitions. [2024-11-08 19:44:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-11-08 19:44:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:44:57,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:57,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:44:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:44:57,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 19:44:57,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:44:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 58 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-08 19:45:19,904 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:45:34,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:45:38,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:45:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 63 transitions. [2024-11-08 19:45:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2024-11-08 19:45:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 19:45:38,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:45:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 19:45:39,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:45:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 31 proven. 79 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 19:46:03,709 WARN L286 SmtUtils]: Spent 11.11s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:46:15,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:15,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 68 transitions. [2024-11-08 19:46:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-08 19:46:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 19:46:15,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:15,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:46:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:15,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 19:46:15,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 101 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-08 19:47:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:47:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 73 transitions. [2024-11-08 19:47:35,474 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-08 19:47:35,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 19:47:35,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:47:35,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:47:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:47:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:47:35,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 19:47:35,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:47:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 127 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-08 19:48:22,377 WARN L286 SmtUtils]: Spent 16.91s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:48:49,972 WARN L286 SmtUtils]: Spent 22.61s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:49:13,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:49:23,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:49:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 78 transitions. [2024-11-08 19:49:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-08 19:49:23,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 19:49:23,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:23,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:49:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:49:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:24,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 19:49:24,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:49:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 20 proven. 156 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-08 19:51:26,275 WARN L286 SmtUtils]: Spent 1.17m on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:51:53,220 WARN L286 SmtUtils]: Spent 17.61s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:52:13,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 19.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:53:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:53:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 83 transitions. [2024-11-08 19:53:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2024-11-08 19:53:09,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 19:53:09,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:53:09,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:53:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:53:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:10,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-08 19:53:10,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:53:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 22 proven. 188 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-08 19:54:38,650 WARN L286 SmtUtils]: Spent 57.48s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:55:54,175 WARN L286 SmtUtils]: Spent 24.26s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)