./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.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_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/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_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/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_abfe1b62-91eb-468a-a694-a5c77353e67d/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 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:51:48,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:51:48,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:51:48,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:51:48,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:51:48,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:51:48,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:51:48,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:51:48,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:51:48,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:51:48,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:51:48,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:51:48,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:51:48,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:51:48,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:51:48,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:51:48,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:51:48,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:51:48,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:51:48,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:51:48,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:51:48,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:51:48,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:51:48,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:51:48,526 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:51:48,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:51:48,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:51:48,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:48,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:51:48,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:51:48,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:51:48,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:51:48,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:51:48,529 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_abfe1b62-91eb-468a-a694-a5c77353e67d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154556615f003714b5a49b3ebe7e74b2231be519e4b6364e10c3e255a1a8cfe1 [2024-11-09 00:51:48,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:51:48,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:51:48,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:51:48,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:51:48,866 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:51:48,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-09 00:51:50,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:51:51,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:51:51,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c [2024-11-09 00:51:51,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/data/bea29307a/41794d5366cb4501a85427b62b949dc0/FLAGffee85245 [2024-11-09 00:51:51,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/data/bea29307a/41794d5366cb4501a85427b62b949dc0 [2024-11-09 00:51:51,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:51:51,083 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:51:51,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:51,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:51:51,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:51:51,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4f48d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51, skipping insertion in model container [2024-11-09 00:51:51,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:51:51,291 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_abfe1b62-91eb-468a-a694-a5c77353e67d/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c[524,537] [2024-11-09 00:51:51,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:51,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:51:51,336 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_abfe1b62-91eb-468a-a694-a5c77353e67d/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound10.c[524,537] [2024-11-09 00:51:51,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:51:51,363 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:51:51,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51 WrapperNode [2024-11-09 00:51:51,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:51:51,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:51,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:51:51,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:51:51,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,398 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-11-09 00:51:51,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:51:51,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:51:51,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:51:51,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:51:51,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:51:51,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:51:51,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:51:51,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:51:51,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:51:51,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:51:51,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:51:51,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abfe1b62-91eb-468a-a694-a5c77353e67d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:51:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:51:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:51:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:51:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:51:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:51:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:51:51,576 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:51:51,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:51:51,771 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 00:51:51,772 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:51:51,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:51:51,925 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:51:51,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:51 BoogieIcfgContainer [2024-11-09 00:51:51,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:51:51,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:51:51,931 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:51:51,945 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:51:51,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:51:51" (1/1) ... [2024-11-09 00:51:51,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:51:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-09 00:51:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-09 00:51:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:51:52,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:52,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:52,184 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 00:51:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-09 00:51:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-09 00:51:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:51:52,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:52,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:52,414 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 00:51:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:52,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-09 00:51:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-09 00:51:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:51:52,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:52,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:51:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:52,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:51:52,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:52,802 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 00:51:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-09 00:51:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-09 00:51:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:51:53,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:53,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:51:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:53,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:51:53,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-09 00:51:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-09 00:51:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:51:54,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:54,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:51:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:54,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:51:54,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:51:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:51:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2024-11-09 00:51:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2024-11-09 00:51:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:51:59,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:51:59,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:51:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:51:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:00,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2024-11-09 00:52:00,375 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2024-11-09 00:52:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:52:00,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:00,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:00,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:52:00,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:52:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2024-11-09 00:52:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2024-11-09 00:52:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:52:02,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:02,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:02,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:52:02,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:03,108 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 00:52:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 38 states and 80 transitions. [2024-11-09 00:52:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 80 transitions. [2024-11-09 00:52:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:52:03,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:03,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:03,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:52:03,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:52:06,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:52:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 40 states and 86 transitions. [2024-11-09 00:52:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2024-11-09 00:52:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:52:07,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:07,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:52:07,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:52:58,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:53:18,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:53:21,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:53:22,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:53:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 44 states and 99 transitions. [2024-11-09 00:53:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 99 transitions. [2024-11-09 00:53:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:53:23,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:23,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:53:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:53:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:23,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:53:23,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:33,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:53:35,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 45 states and 103 transitions. [2024-11-09 00:53:35,463 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 103 transitions. [2024-11-09 00:53:35,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:53:35,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:35,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:53:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:53:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:35,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 00:53:35,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:54:01,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:54:04,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:54:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 107 transitions. [2024-11-09 00:54:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 107 transitions. [2024-11-09 00:54:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:54:14,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:14,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:54:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:54:19,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:19,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 51 states and 127 transitions. [2024-11-09 00:54:19,012 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 127 transitions. [2024-11-09 00:54:19,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:54:19,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:19,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:54:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:54:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 52 states and 127 transitions. [2024-11-09 00:54:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 127 transitions. [2024-11-09 00:54:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:54:20,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:20,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:54:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:54:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:21,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:54:21,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:54:46,042 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] [2024-11-09 00:54:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 54 states and 131 transitions. [2024-11-09 00:54:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 131 transitions. [2024-11-09 00:54:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:54:57,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:57,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:54:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:54:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:57,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:54:57,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:54:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 00:54:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:54:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 56 states and 136 transitions. [2024-11-09 00:54:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 136 transitions. [2024-11-09 00:54:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:54:58,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:54:58,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:54:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:54:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:56:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:56:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 160 transitions. [2024-11-09 00:56:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 160 transitions. [2024-11-09 00:56:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:56:18,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:56:18,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:56:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:56:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:56:18,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:56:18,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:10,227 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:57:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:57:59,763 WARN L286 SmtUtils]: Spent 21.93s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:59:16,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:00:19,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 01:00:24,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:00:27,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:00:32,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:00:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 64 states and 179 transitions. [2024-11-09 01:00:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 179 transitions. [2024-11-09 01:00:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 01:00:32,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:32,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:00:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 01:00:52,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 64 states and 178 transitions. [2024-11-09 01:00:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 178 transitions. [2024-11-09 01:00:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 01:00:52,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:52,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:00:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:00:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:52,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 01:00:52,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:01,650 WARN L286 SmtUtils]: Spent 10.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:02:11,699 WARN L286 SmtUtils]: Spent 10.05s 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) [2024-11-09 01:02:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 01:02:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 64 states and 178 transitions. [2024-11-09 01:02:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 178 transitions. [2024-11-09 01:02:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 01:02:13,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:13,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:02:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:15,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 01:02:15,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:03:14,831 WARN L286 SmtUtils]: Spent 20.37s 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) [2024-11-09 01:03:25,899 WARN L286 SmtUtils]: Spent 10.21s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:03:37,051 WARN L286 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:03:57,260 WARN L286 SmtUtils]: Spent 20.21s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:04:07,575 WARN L286 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:04:18,622 WARN L286 SmtUtils]: Spent 11.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:04:28,735 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:04:39,247 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:04:52,499 WARN L286 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:05:05,987 WARN L286 SmtUtils]: Spent 11.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:05:26,071 WARN L286 SmtUtils]: Spent 16.94s 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) [2024-11-09 01:05:41,370 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:05:51,383 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:06:18,806 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:06:31,601 WARN L286 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:06:46,406 WARN L286 SmtUtils]: Spent 11.09s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:06:53,967 WARN L286 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 01:07:03,997 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)