./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm --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 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:39,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:40,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:49:40,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:49:40,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:49:40,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:40,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:40,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:40,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:40,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:40,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:40,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:40,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:49:40,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:49:40,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:49:40,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:40,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:40,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:40,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:40,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:40,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:49:40,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:40,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:40,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:40,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:40,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:40,085 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:40,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:40,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:40,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:40,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:40,085 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:49:40,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:49:40,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm 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 -> 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca [2024-11-13 21:49:40,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:40,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:40,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:40,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:40,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:40,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 21:49:42,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:49:42,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:49:42,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2024-11-13 21:49:42,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/data/054d8cc61/0b0b630817a64143830dde525fcd9f7a/FLAG9fe1cf88d [2024-11-13 21:49:42,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/data/054d8cc61/0b0b630817a64143830dde525fcd9f7a [2024-11-13 21:49:42,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:49:42,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:49:42,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:42,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:49:42,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:49:42,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:42" (1/1) ... [2024-11-13 21:49:42,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709d9f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:42, skipping insertion in model container [2024-11-13 21:49:42,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:42" (1/1) ... [2024-11-13 21:49:42,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:49:43,122 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_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537] [2024-11-13 21:49:43,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:43,177 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:49:43,190 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_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c[524,537] [2024-11-13 21:49:43,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:43,227 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:49:43,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43 WrapperNode [2024-11-13 21:49:43,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:43,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:43,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:49:43,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:49:43,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,279 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-13 21:49:43,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:43,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:49:43,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:49:43,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:49:43,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:49:43,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:49:43,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:49:43,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:49:43,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:43,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:49:43,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:49:43,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1e55ca5-4dc5-47b2-b63b-9ea644eb7523/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:49:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:49:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:49:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:49:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:49:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:49:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:49:43,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:49:43,505 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:49:43,794 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:49:43,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:49:43,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:49:43,962 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:49:43,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:43 BoogieIcfgContainer [2024-11-13 21:49:43,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:49:43,964 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:49:43,964 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:49:43,981 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:49:43,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:43" (1/1) ... [2024-11-13 21:49:43,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:49:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:44,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 21:49:44,056 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 21:49:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:49:44,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:49:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:49:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:49:44,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:44,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 21:49:44,405 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:49:44,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:49:44,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:44,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:49:44,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 21:49:45,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 21:49:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:49:45,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:45,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:49:45,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-13 21:49:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-13 21:49:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:49:46,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:46,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:46,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:49:46,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2024-11-13 21:49:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2024-11-13 21:49:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:49:51,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:51,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2024-11-13 21:49:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2024-11-13 21:49:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:49:52,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:52,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:52,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:49:52,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2024-11-13 21:49:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2024-11-13 21:49:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:49:55,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:55,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:55,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:49:55,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:49:56,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:56,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 38 states and 80 transitions. [2024-11-13 21:49:56,477 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 80 transitions. [2024-11-13 21:49:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:49:56,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:56,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:49:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:56,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:49:56,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:49:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:50:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-13 21:50:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-13 21:50:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:50:00,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:00,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:50:03,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:50:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 44 states and 106 transitions. [2024-11-13 21:50:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 106 transitions. [2024-11-13 21:50:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:50:03,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:50:03,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:50:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:50:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:03,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:50:03,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:50:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:50:29,689 WARN L286 SmtUtils]: Spent 16.29s on a formula simplification. DAG size of input: 62 DAG size of output: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:51:13,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:51:31,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:51:41,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:51:42,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:42,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 48 states and 122 transitions. [2024-11-13 21:51:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2024-11-13 21:51:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:51:42,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:42,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:51:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 125 transitions. [2024-11-13 21:51:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 125 transitions. [2024-11-13 21:51:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:51:44,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:44,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:51:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:51:45,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 49 states and 124 transitions. [2024-11-13 21:51:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 124 transitions. [2024-11-13 21:51:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:51:45,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:51:45,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:51:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:51:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:51:46,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:51:46,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:51:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:52:06,848 WARN L286 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 62 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:52:30,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:52:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 52 states and 132 transitions. [2024-11-13 21:52:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 132 transitions. [2024-11-13 21:52:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:52:41,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:41,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:52:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:41,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:52:41,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:52:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:53:10,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:53:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 54 states and 136 transitions. [2024-11-13 21:53:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 136 transitions. [2024-11-13 21:53:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:53:15,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:15,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:53:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:15,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:53:15,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:15,582 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 21:53:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 56 states and 141 transitions. [2024-11-13 21:53:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 141 transitions. [2024-11-13 21:53:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:53:17,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:17,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:26,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:54:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:49,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 60 states and 164 transitions. [2024-11-13 21:54:49,402 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 164 transitions. [2024-11-13 21:54:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:49,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:49,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:49,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:54:49,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:56:56,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:38,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:42,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:46,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:48,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:57:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 64 states and 180 transitions. [2024-11-13 21:57:49,091 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 180 transitions. [2024-11-13 21:57:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:57:49,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:49,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:57:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:58:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 64 states and 179 transitions. [2024-11-13 21:58:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 179 transitions. [2024-11-13 21:58:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:58:07,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:07,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:58:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:07,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:58:07,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:00:18,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 22:00:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:00:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 67 states and 188 transitions. [2024-11-13 22:00:43,476 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 188 transitions. [2024-11-13 22:00:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:00:43,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:00:43,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:00:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:00:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:00:43,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 22:00:43,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:00:58,313 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:01:10,718 WARN L286 SmtUtils]: Spent 10.57s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:01:20,141 WARN L286 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:01:30,298 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:01:40,405 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:03:34,931 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:04:15,803 WARN L286 SmtUtils]: Spent 22.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 22:04:47,254 WARN L286 SmtUtils]: Spent 26.48s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)