./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/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_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/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_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/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 d32da3d6d63cd0b5044f81aaa321c86b8663ab47e67a0d6b64aca0030551d2e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:32:17,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:32:17,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:32:17,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:32:17,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:32:17,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:32:17,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:32:17,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:32:17,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:32:17,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:32:17,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:32:17,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:32:17,965 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:32:17,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:32:17,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:32:17,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:32:17,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:32:17,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:32:17,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:32:17,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:32:17,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:32:17,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:32:17,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:32:17,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:32:17,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:32:17,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:32:17,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:32:17,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:32:17,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:32:17,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:32:17,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:32:17,977 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:32:17,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:32:17,980 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_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d32da3d6d63cd0b5044f81aaa321c86b8663ab47e67a0d6b64aca0030551d2e0 [2024-11-08 23:32:18,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:32:18,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:32:18,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:32:18,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:32:18,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:32:18,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c Unable to find full path for "g++" [2024-11-08 23:32:20,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:32:20,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:32:20,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c [2024-11-08 23:32:20,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/data/3990d85b7/00d7d9e15a394d5aa16c785e7f09f154/FLAG8eb2bd9cf [2024-11-08 23:32:20,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/data/3990d85b7/00d7d9e15a394d5aa16c785e7f09f154 [2024-11-08 23:32:20,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:32:20,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:32:20,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:32:20,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:32:20,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:32:20,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719fd07e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20, skipping insertion in model container [2024-11-08 23:32:20,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:32:20,795 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_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c[524,537] [2024-11-08 23:32:20,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:32:20,828 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:32:20,841 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_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound50.c[524,537] [2024-11-08 23:32:20,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:32:20,862 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:32:20,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20 WrapperNode [2024-11-08 23:32:20,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:32:20,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:32:20,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:32:20,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:32:20,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,892 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-08 23:32:20,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:32:20,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:32:20,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:32:20,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:32:20,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:32:20,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:32:20,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:32:20,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:32:20,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:32:20" (1/1) ... [2024-11-08 23:32:20,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:32:20,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:32:20,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:32:20,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_065b57f6-bfd3-4a9f-83a2-dc5a17c27eb3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:32:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:32:20,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:32:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:32:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:32:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:32:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:32:20,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:32:20,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:32:21,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:32:21,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:32:21,192 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:32:21,192 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:32:21,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:32:21,233 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:32:21,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:21 BoogieIcfgContainer [2024-11-08 23:32:21,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:32:21,235 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:32:21,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:32:21,246 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:32:21,247 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:32:21" (1/1) ... [2024-11-08 23:32:21,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:32:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-08 23:32:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-08 23:32:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:32:21,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:21,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:32:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:21,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:32:21,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:32:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2024-11-08 23:32:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-08 23:32:24,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:32:24,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:24,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:32:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:24,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:32:24,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:32:26,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:32:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-08 23:32:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-08 23:32:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:32:27,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:32:30,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:32:33,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:32:34,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:32:36,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:32:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:32:36,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2024-11-08 23:32:36,742 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2024-11-08 23:32:36,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:32:36,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:32:36,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:32:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:32:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:32:36,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:32:36,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:33:47,277 WARN L286 SmtUtils]: Spent 14.99s on a formula simplification. DAG size of input: 52 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:34:03,471 WARN L286 SmtUtils]: Spent 12.61s on a formula simplification. DAG size of input: 53 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:34:07,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:34:13,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:34:15,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:34:16,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:34:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-08 23:34:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-08 23:34:16,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:34:16,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:16,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:34:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:16,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:34:16,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:30,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:34:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-08 23:34:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-08 23:34:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:34:35,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:35,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:34:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:35,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:34:35,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:34:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:34:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-08 23:34:47,151 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-08 23:34:47,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:34:47,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:34:47,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:34:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:34:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:34:47,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:34:47,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:34:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:35:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-08 23:35:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-08 23:35:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:35:02,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:02,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:02,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:35:02,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:35:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-08 23:35:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-08 23:35:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:35:21,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:21,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:21,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:35:21,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:37,810 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:35:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-08 23:35:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-08 23:35:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:35:41,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:41,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:41,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:35:41,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:35:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:35:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:35:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:35:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:35:56,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:56,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:35:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:56,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:35:56,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:36:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:36:13,478 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:36:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:36:13,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:13,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:13,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:36:13,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:36:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:36:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:36:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:36:25,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:25,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:36:25,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:36:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:36:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:36:42,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:36:42,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:42,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:42,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:36:42,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:37:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:37:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:37:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:37:04,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:04,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:37:04,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:11,193 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:37:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:37:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:37:13,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:37:13,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:13,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:13,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:37:13,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:37:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:37:41,022 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:37:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:37:41,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:41,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:41,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:37:41,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:37:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:37:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:37:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:37:55,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:55,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:55,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:37:55,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:38:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:08,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:38:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:38:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:38:08,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:08,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:38:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:08,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:38:08,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:38:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:38:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:38:28,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:38:28,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:28,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:38:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:28,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:38:28,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:38:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:38:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:38:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:38:36,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:36,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:38:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:36,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:38:36,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:38:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:38:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:38:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:38:54,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:54,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:38:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:38:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:54,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:38:54,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:39:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:39:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:39:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:39:05,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:05,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:39:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:05,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:39:05,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:13,389 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:39:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:39:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:39:20,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:39:20,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:20,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:39:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:20,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:39:20,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:39:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:39:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:39:28,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:39:28,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:28,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:39:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:28,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:39:28,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:39:39,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:39:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:39:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:39:39,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:39,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:39:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:39,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:39:39,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:39:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:39:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:39:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:39:57,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:39:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:57,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:39:57,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:58,205 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:40:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:40:02,908 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:40:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:40:02,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:02,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:02,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:40:02,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:40:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:40:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:40:15,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:40:15,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:15,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:40:15,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:40:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:40:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:40:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:40:35,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:35,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:35,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:40:35,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:40:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:40:52,917 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:40:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:40:52,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:52,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:52,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:40:52,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:14,257 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 12 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:41:36,081 WARN L286 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:41:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:41:55,989 WARN L286 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 43 DAG size of output: 1 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:42:23,624 WARN L286 SmtUtils]: Spent 23.81s on a formula simplification. DAG size of input: 45 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:42:57,105 WARN L286 SmtUtils]: Spent 10.42s on a formula simplification. DAG size of input: 55 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:43:10,438 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:43:28,752 WARN L286 SmtUtils]: Spent 14.08s on a formula simplification. DAG size of input: 56 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:43:36,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:43:47,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:43:48,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:43:49,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:43:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-08 23:43:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-08 23:43:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:43:49,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:43:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:49,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:43:49,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:53,505 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:44:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 61 transitions. [2024-11-08 23:44:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-08 23:44:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:44:01,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:01,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:01,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:44:01,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:44:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 61 transitions. [2024-11-08 23:44:22,995 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-08 23:44:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:44:22,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:22,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:23,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:44:23,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:44:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 61 transitions. [2024-11-08 23:44:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-08 23:44:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:44:45,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:45,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:44:45,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:01,690 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) [2024-11-08 23:45:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:45:39,782 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 38 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:45:49,166 WARN L286 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 40 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:46:09,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:46:11,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []