./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/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_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5dead2b097a3e2aa15cd919ca1c3a66944ae841df5c6a1b5b64a326ca5f0b4a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:24:58,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:24:58,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:24:58,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:24:59,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:24:59,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:24:59,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:24:59,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:24:59,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:24:59,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:24:59,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:24:59,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:24:59,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:24:59,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:24:59,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:24:59,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:24:59,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:24:59,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:24:59,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:24:59,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:24:59,049 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:24:59,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:24:59,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:24:59,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:24:59,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:24:59,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:24:59,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:24:59,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:24:59,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:24:59,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:59,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:24:59,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:24:59,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:24:59,060 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:24:59,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:24:59,060 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_4e5b8525-52bc-4bf9-b908-3bb1a5862702/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5dead2b097a3e2aa15cd919ca1c3a66944ae841df5c6a1b5b64a326ca5f0b4a [2024-11-09 00:24:59,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:24:59,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:24:59,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:24:59,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:24:59,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:24:59,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-09 00:25:01,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:25:01,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:25:01,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound1.c [2024-11-09 00:25:01,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/data/225a37dd8/69f36155c4ef4dd0940b2bea20173efd/FLAG511aefe32 [2024-11-09 00:25:01,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/data/225a37dd8/69f36155c4ef4dd0940b2bea20173efd [2024-11-09 00:25:01,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:25:01,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:25:01,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:01,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:25:01,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:25:01,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:01" (1/1) ... [2024-11-09 00:25:01,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346c5f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:01, skipping insertion in model container [2024-11-09 00:25:01,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:25:01" (1/1) ... [2024-11-09 00:25:02,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:25:02,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:02,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:25:02,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:25:02,259 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:25:02,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02 WrapperNode [2024-11-09 00:25:02,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:25:02,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:02,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:25:02,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:25:02,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,296 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-11-09 00:25:02,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:25:02,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:25:02,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:25:02,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:25:02,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:25:02,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:25:02,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:25:02,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:25:02,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:25:02" (1/1) ... [2024-11-09 00:25:02,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:25:02,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:25:02,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:25:02,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5b8525-52bc-4bf9-b908-3bb1a5862702/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:25:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:25:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:25:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:25:02,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:25:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:25:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:25:02,477 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:25:02,480 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:25:03,073 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-09 00:25:03,074 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:25:03,109 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:25:03,109 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:25:03,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:03 BoogieIcfgContainer [2024-11-09 00:25:03,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:25:03,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:25:03,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:25:03,121 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:25:03,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:25:03" (1/1) ... [2024-11-09 00:25:03,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:25:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:03,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2024-11-09 00:25:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2024-11-09 00:25:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:25:03,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:03,359 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 00:25:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2024-11-09 00:25:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2024-11-09 00:25:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:25:03,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:03,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:03,426 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 00:25:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2024-11-09 00:25:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2024-11-09 00:25:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:25:03,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:03,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:03,537 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 00:25:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 129 states and 133 transitions. [2024-11-09 00:25:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2024-11-09 00:25:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:25:03,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:03,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:03,828 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 00:25:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 128 states and 132 transitions. [2024-11-09 00:25:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2024-11-09 00:25:04,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:25:04,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:04,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,175 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 00:25:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 128 states and 131 transitions. [2024-11-09 00:25:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 131 transitions. [2024-11-09 00:25:04,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:25:04,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:04,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,284 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 00:25:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2024-11-09 00:25:04,863 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2024-11-09 00:25:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:25:04,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:04,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,907 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 00:25:04,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2024-11-09 00:25:04,922 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2024-11-09 00:25:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:25:04,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:04,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,966 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 00:25:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2024-11-09 00:25:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2024-11-09 00:25:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:25:04,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:04,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:05,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:25:05,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:05,080 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 00:25:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2024-11-09 00:25:05,379 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2024-11-09 00:25:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:25:05,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:05,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:05,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:25:05,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:05,438 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 00:25:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2024-11-09 00:25:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2024-11-09 00:25:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:25:05,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:05,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:05,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:25:05,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:05,548 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 00:25:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 145 states and 154 transitions. [2024-11-09 00:25:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 154 transitions. [2024-11-09 00:25:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:25:06,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:06,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:06,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:25:06,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:06,060 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 00:25:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 146 states and 155 transitions. [2024-11-09 00:25:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2024-11-09 00:25:06,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:25:06,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:06,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:06,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:06,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:06,181 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 00:25:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 149 states and 160 transitions. [2024-11-09 00:25:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 160 transitions. [2024-11-09 00:25:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:25:06,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:06,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:06,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:06,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:06,503 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 00:25:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 153 states and 166 transitions. [2024-11-09 00:25:06,847 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 166 transitions. [2024-11-09 00:25:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:25:06,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:06,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:06,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:06,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:06,965 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 00:25:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 156 states and 172 transitions. [2024-11-09 00:25:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 172 transitions. [2024-11-09 00:25:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:25:07,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:07,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:07,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:25:07,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:07,501 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 00:25:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 179 transitions. [2024-11-09 00:25:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 179 transitions. [2024-11-09 00:25:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:25:08,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:08,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:08,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:25:08,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:08,170 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 00:25:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 164 states and 185 transitions. [2024-11-09 00:25:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 185 transitions. [2024-11-09 00:25:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:25:08,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:08,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:08,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:25:08,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:08,825 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 00:25:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 168 states and 191 transitions. [2024-11-09 00:25:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 191 transitions. [2024-11-09 00:25:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:25:09,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:09,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:09,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:25:09,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:09,729 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 00:25:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 183 states and 210 transitions. [2024-11-09 00:25:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 210 transitions. [2024-11-09 00:25:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:25:12,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:12,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:12,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:25:12,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:12,742 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 00:25:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 199 states and 230 transitions. [2024-11-09 00:25:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 230 transitions. [2024-11-09 00:25:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:25:15,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:15,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:15,666 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 00:25:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 216 states and 252 transitions. [2024-11-09 00:25:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 252 transitions. [2024-11-09 00:25:18,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:25:18,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:18,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:18,314 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 00:25:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:20,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 234 states and 275 transitions. [2024-11-09 00:25:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 275 transitions. [2024-11-09 00:25:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:25:20,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:20,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:20,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:25:20,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:21,117 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 00:25:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 238 states and 281 transitions. [2024-11-09 00:25:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 281 transitions. [2024-11-09 00:25:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:25:22,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:22,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:22,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:25:22,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:22,875 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 00:25:23,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 242 states and 286 transitions. [2024-11-09 00:25:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2024-11-09 00:25:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:25:23,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:23,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:24,087 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 00:25:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:27,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 263 states and 313 transitions. [2024-11-09 00:25:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 313 transitions. [2024-11-09 00:25:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:25:27,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:27,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:27,942 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 00:25:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 285 states and 342 transitions. [2024-11-09 00:25:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 342 transitions. [2024-11-09 00:25:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:25:32,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:32,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:32,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:25:32,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:32,707 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 00:25:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 302 states and 367 transitions. [2024-11-09 00:25:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 367 transitions. [2024-11-09 00:25:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:25:36,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:36,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:36,250 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 00:25:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 309 states and 381 transitions. [2024-11-09 00:25:38,311 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 381 transitions. [2024-11-09 00:25:38,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:25:38,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:38,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:38,497 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 00:25:41,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 316 states and 396 transitions. [2024-11-09 00:25:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 396 transitions. [2024-11-09 00:25:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:25:41,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:41,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:25:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:41,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:25:41,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:41,233 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 00:25:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 317 states and 397 transitions. [2024-11-09 00:25:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 397 transitions. [2024-11-09 00:25:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:25:41,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:41,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:41,334 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 00:25:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 324 states and 411 transitions. [2024-11-09 00:25:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 411 transitions. [2024-11-09 00:25:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:25:43,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:43,692 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 00:25:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 331 states and 426 transitions. [2024-11-09 00:25:46,346 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 426 transitions. [2024-11-09 00:25:46,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:25:46,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:46,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:46,589 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 00:25:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 345 states and 452 transitions. [2024-11-09 00:25:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 452 transitions. [2024-11-09 00:25:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:25:53,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:53,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:25:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 359 states and 478 transitions. [2024-11-09 00:26:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 478 transitions. [2024-11-09 00:26:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:26:00,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:00,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 361 states and 480 transitions. [2024-11-09 00:26:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 480 transitions. [2024-11-09 00:26:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:26:00,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:00,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 376 states and 508 transitions. [2024-11-09 00:26:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 508 transitions. [2024-11-09 00:26:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:17,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:17,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 379 states and 513 transitions. [2024-11-09 00:26:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 513 transitions. [2024-11-09 00:26:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:19,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:19,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 381 states and 515 transitions. [2024-11-09 00:26:20,060 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 515 transitions. [2024-11-09 00:26:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:20,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:20,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:44,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:44,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 397 states and 544 transitions. [2024-11-09 00:26:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 544 transitions. [2024-11-09 00:26:44,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:26:44,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:47,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 399 states and 548 transitions. [2024-11-09 00:26:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 548 transitions. [2024-11-09 00:26:47,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:26:47,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:47,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:48,692 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 00:27:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 416 states and 578 transitions. [2024-11-09 00:27:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 578 transitions. [2024-11-09 00:27:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:27:13,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:13,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:13,881 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 00:27:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:27,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 441 states and 619 transitions. [2024-11-09 00:27:27,054 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 619 transitions. [2024-11-09 00:27:27,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:27:27,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:27,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:27,661 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 00:27:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 459 states and 651 transitions. [2024-11-09 00:27:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 651 transitions. [2024-11-09 00:27:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:27:37,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:37,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:27:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:37,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:27:37,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:37,586 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 00:27:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 464 states and 657 transitions. [2024-11-09 00:27:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 657 transitions. [2024-11-09 00:27:41,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:27:41,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:41,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:41,040 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 00:27:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 465 states and 659 transitions. [2024-11-09 00:27:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 659 transitions. [2024-11-09 00:27:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:27:41,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:41,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:41,379 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 00:27:45,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 473 states and 675 transitions. [2024-11-09 00:27:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 675 transitions. [2024-11-09 00:27:45,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:27:45,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:45,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:27:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:46,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:27:46,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:46,074 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 00:27:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 479 states and 682 transitions. [2024-11-09 00:27:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2024-11-09 00:27:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:27:49,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:49,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:49,075 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 00:27:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 480 states and 684 transitions. [2024-11-09 00:27:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 684 transitions. [2024-11-09 00:27:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:27:49,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:49,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:27:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:49,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:27:49,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:49,215 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 00:27:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 489 states and 701 transitions. [2024-11-09 00:27:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 701 transitions. [2024-11-09 00:27:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:27:51,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:51,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:09,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 519 states and 752 transitions. [2024-11-09 00:28:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 752 transitions. [2024-11-09 00:28:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:28:09,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:09,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:28:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:09,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:28:09,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:09,100 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 00:28:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:11,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 522 states and 757 transitions. [2024-11-09 00:28:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 757 transitions. [2024-11-09 00:28:11,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:28:11,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:11,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:30,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 553 states and 809 transitions. [2024-11-09 00:28:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 809 transitions. [2024-11-09 00:28:30,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:28:30,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:30,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:30,558 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 00:28:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 561 states and 822 transitions. [2024-11-09 00:28:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 822 transitions. [2024-11-09 00:28:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 00:28:35,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:36,391 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 00:28:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 572 states and 840 transitions. [2024-11-09 00:28:41,860 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 840 transitions. [2024-11-09 00:28:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:28:41,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:41,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:28:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:41,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:28:41,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:42,463 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 00:28:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 588 states and 872 transitions. [2024-11-09 00:28:52,037 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 872 transitions. [2024-11-09 00:28:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:28:52,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:52,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:28:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:52,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:28:52,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:28:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:29:01,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 599 states and 894 transitions. [2024-11-09 00:29:01,123 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 894 transitions. [2024-11-09 00:29:01,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:29:01,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:01,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:01,173 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 00:29:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 601 states and 895 transitions. [2024-11-09 00:29:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 895 transitions. [2024-11-09 00:29:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 00:29:02,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:02,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,398 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 00:29:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 614 states and 915 transitions. [2024-11-09 00:29:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 915 transitions. [2024-11-09 00:29:07,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:29:07,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:07,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 622 states and 928 transitions. [2024-11-09 00:29:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 928 transitions. [2024-11-09 00:29:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:29:13,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:13,139 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 00:29:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 636 states and 949 transitions. [2024-11-09 00:29:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 949 transitions. [2024-11-09 00:29:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:29:18,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:18,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:29:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:18,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:29:18,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 646 states and 965 transitions. [2024-11-09 00:29:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 965 transitions. [2024-11-09 00:29:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:29:27,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:27,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 654 states and 978 transitions. [2024-11-09 00:29:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 978 transitions. [2024-11-09 00:29:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 00:29:34,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:34,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:29:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:34,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:29:34,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:35,809 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 00:29:41,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:41,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 661 states and 987 transitions. [2024-11-09 00:29:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 987 transitions. [2024-11-09 00:29:41,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:29:41,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:41,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:29:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:41,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:29:41,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 670 states and 1000 transitions. [2024-11-09 00:29:51,099 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1000 transitions. [2024-11-09 00:29:51,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:29:51,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:51,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:29:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:51,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:29:51,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:51,978 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 00:29:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 674 states and 1005 transitions. [2024-11-09 00:29:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1005 transitions. [2024-11-09 00:29:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:29:54,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:54,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:29:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:54,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:29:54,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:05,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 682 states and 1021 transitions. [2024-11-09 00:30:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1021 transitions. [2024-11-09 00:30:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:30:05,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:05,182 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 00:30:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:06,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 192 states and 228 transitions. [2024-11-09 00:30:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2024-11-09 00:30:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:30:06,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:06,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:06,334 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 00:30:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 207 states and 247 transitions. [2024-11-09 00:30:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 247 transitions. [2024-11-09 00:30:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 00:30:21,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:21,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:30:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:21,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:30:21,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:22,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 206 states and 246 transitions. [2024-11-09 00:30:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 246 transitions. [2024-11-09 00:30:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 00:30:30,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:30,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:30,188 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 00:30:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 222 states and 267 transitions. [2024-11-09 00:30:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 267 transitions. [2024-11-09 00:30:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:30:45,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:45,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:30:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:30:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:45,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:30:45,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:48,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:06,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:06,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 189 states and 225 transitions. [2024-11-09 00:31:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 225 transitions. [2024-11-09 00:31:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-09 00:31:06,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:06,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:06,212 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 00:31:13,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:13,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 204 states and 246 transitions. [2024-11-09 00:31:13,508 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 246 transitions. [2024-11-09 00:31:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 00:31:13,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:13,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:31:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:13,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:31:13,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 196 states and 238 transitions. [2024-11-09 00:31:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 238 transitions. [2024-11-09 00:31:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 00:31:32,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:32,481 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 00:31:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 197 states and 239 transitions. [2024-11-09 00:31:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 239 transitions. [2024-11-09 00:31:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:31:32,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:32,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:31:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:32,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:31:32,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:33,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:31:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 198 states and 245 transitions. [2024-11-09 00:31:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 245 transitions. [2024-11-09 00:31:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 00:31:37,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:37,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:38,696 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 00:31:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 199 states and 246 transitions. [2024-11-09 00:31:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 246 transitions. [2024-11-09 00:31:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:31:41,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:41,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:31:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:41,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:31:41,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:31:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 199 states and 245 transitions. [2024-11-09 00:31:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 245 transitions. [2024-11-09 00:31:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:31:42,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:42,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:42,873 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 00:31:44,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 203 states and 249 transitions. [2024-11-09 00:31:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 249 transitions. [2024-11-09 00:31:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:31:44,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:44,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:31:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:31:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:44,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:31:44,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:32:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 204 states and 253 transitions. [2024-11-09 00:32:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2024-11-09 00:32:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 00:32:15,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:15,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:32:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:15,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:32:15,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:32:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 204 states and 252 transitions. [2024-11-09 00:32:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 252 transitions. [2024-11-09 00:32:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:32:17,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:17,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:32:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 170 states and 214 transitions. [2024-11-09 00:32:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 214 transitions. [2024-11-09 00:32:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:32:41,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:32:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:41,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:32:41,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:32:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 169 states and 213 transitions. [2024-11-09 00:32:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 213 transitions. [2024-11-09 00:32:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:32:52,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:52,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:32:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 169 states and 212 transitions. [2024-11-09 00:32:54,491 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 212 transitions. [2024-11-09 00:32:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:32:54,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:54,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:32:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 169 states and 211 transitions. [2024-11-09 00:32:56,181 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 211 transitions. [2024-11-09 00:32:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:32:56,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:32:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:33:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 172 states and 218 transitions. [2024-11-09 00:33:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2024-11-09 00:33:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:33:02,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:02,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:33:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:02,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:02,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:33:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 170 states and 208 transitions. [2024-11-09 00:33:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 208 transitions. [2024-11-09 00:33:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 00:33:08,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:33:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 170 states and 207 transitions. [2024-11-09 00:33:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 207 transitions. [2024-11-09 00:33:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 00:33:12,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:33:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 173 states and 212 transitions. [2024-11-09 00:33:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 212 transitions. [2024-11-09 00:33:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 00:33:20,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:20,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:33:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:20,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:33:20,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:33:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 170 states and 204 transitions. [2024-11-09 00:33:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 204 transitions. [2024-11-09 00:33:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:33:23,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:23,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:33:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:23,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:33:23,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:33:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 176 states and 218 transitions. [2024-11-09 00:33:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 218 transitions. [2024-11-09 00:33:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:33:36,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:36,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:33:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:36,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:33:36,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:33:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 179 states and 221 transitions. [2024-11-09 00:33:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 221 transitions. [2024-11-09 00:33:45,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 00:33:45,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:33:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:45,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:33:45,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 176 states and 212 transitions. [2024-11-09 00:35:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 212 transitions. [2024-11-09 00:35:04,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:35:04,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:04,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:35:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:54,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 181 states and 226 transitions. [2024-11-09 00:35:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 226 transitions. [2024-11-09 00:35:54,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:35:54,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:54,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:35:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 185 states and 232 transitions. [2024-11-09 00:36:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 232 transitions. [2024-11-09 00:36:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:36:09,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:09,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:09,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 173 states and 204 transitions. [2024-11-09 00:36:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 204 transitions. [2024-11-09 00:36:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 00:36:34,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:36:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 179 states and 216 transitions. [2024-11-09 00:37:20,233 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 216 transitions. [2024-11-09 00:37:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 00:37:20,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:20,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:44,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:44,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 178 states and 216 transitions. [2024-11-09 00:37:44,087 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 216 transitions. [2024-11-09 00:37:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 00:37:44,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:44,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:37:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 170 states and 206 transitions. [2024-11-09 00:37:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 206 transitions. [2024-11-09 00:37:52,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:37:52,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:37:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:37:53,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:02,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.